HONDA TRX 450RAUTHORIZED DEALERSHONDATRX450R.ORG PROJECT QUADSGALLERYALL OTHER QUADSABOUT US A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance.

VALVE CLEARANCE

Joined Nov 23, 2004. ·. 5,074 Posts. #5 · Oct 12, 2006. There are little disc (shims) at the top of each valve assembly. These shims have a number on them telling you their thickness. Edit - Forgot to convert, disregard my numbers listen to 450RRR. If someone wants to double check my numbers it TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

HONDA TRX 450RAUTHORIZED DEALERSHONDATRX450R.ORG PROJECT QUADSGALLERYALL OTHER QUADSABOUT US A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance.

VALVE CLEARANCE

Joined Nov 23, 2004. ·. 5,074 Posts. #5 · Oct 12, 2006. There are little disc (shims) at the top of each valve assembly. These shims have a number on them telling you their thickness. Edit - Forgot to convert, disregard my numbers listen to 450RRR. If someone wants to double check my numbers it TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

HONDA TRX 450R

A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark. DECOMPRESSION ADJUSTMENT So came across a 06 trx450ER not running. I did a simple rebuilt on the motor. New rings, STOCK OE piston,gaskets/seals. Also checked the valves for leaks. None found. The carb has been cleaned and all ports blown out with compressed air and new seals. I set up the decompression by the CRANK BEARING CLEARANCES? I had caught my crank bearing failure early in my 04 trx450r. So, I decided since I had the engine apart I would put a HOT RODS stroker crank in it. Anyways, installed crank w/new bearings, seals etc. Everything looked good, cases weren't spun in bearing seats - bearings

went in firmly -

IGNITION TROUBLESHOOTING 101 Also the ignition can be cut trough the main switch (conduct) and kill switch (conduct), this can be checked on the 6 Pins (last) CDI connector, measure the resistance between the engine and the Blue/White wire, there must be infinite or high resistance with the main switch ON and kill switch ON. THROTTLE POSITION SENSOR.... SCHOOL ME CTPDS is a safety system (on 06+ only) which consists of two switches..one on throttle (on bars) and one inside carb (where cable goes in) if the ICM see's the thottle switch closed (throttle shut) but the carb switch closed (throttle drum open) it kills the ignition at the ICM..shutting off the bike (because it thinks slide is stuck).

HOW TO CHECK OIL?

thanks for the info. i plan to change the oil every ride, or every other ride depending on the circumstances but because i just got them i wasnt really sure where to start, but i think ill be better off just changin the oil in them. im gonna use rotella on both sides, and ill prob just change the tranny fluid every time i change the engine oil.

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. THROTTLE POSITION SENSOR.... SCHOOL ME CTPDS is a safety system (on 06+ only) which consists of two switches..one on throttle (on bars) and one inside carb (where cable goes in) if the ICM see's the thottle switch closed (throttle shut) but the carb switch closed (throttle drum open) it kills the ignition at the ICM..shutting off the bike (because it thinks slide is stuck).

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. THROTTLE POSITION SENSOR.... SCHOOL ME CTPDS is a safety system (on 06+ only) which consists of two switches..one on throttle (on bars) and one inside carb (where cable goes in) if the ICM see's the thottle switch closed (throttle shut) but the carb switch closed (throttle drum open) it kills the ignition at the ICM..shutting off the bike (because it thinks slide is stuck).

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

HONDA TRX 450R

A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TEMP SENSOR

Temp sensor is located on the cylinder head right behind the thermostat cover. Its a little brass fitting with a male spade electrical connector on it. When the coolant reaches about 200 degrees (or so), the switch closes and sends a ground signal to the ICM, which in turn, triggers the fan. As long as all your wiring/ICM is good, you

can just

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

VALVE CLEARANCE

Joined Nov 23, 2004. ·. 5,074 Posts. #5 · Oct 12, 2006. There are little disc (shims) at the top of each valve assembly. These shims have a number on them telling you their thickness. Edit - Forgot to convert, disregard my numbers listen to 450RRR. If someone wants to double check my numbers it HRC KIT | HONDA TRX 450R Joined Nov 12, 2009. ·. 6 Posts. #6 · Nov 27, 2009. I just picked up the HRC kit for a 2007 trx 450er and received it Wednesday but have not installed, expecting good gains for trail riding. $360 sounds steep, check with site sponsor Powersports Honda. I got mine with (quick) shipping from them for a better price. D. WHICH SPARK PLUG TO RUN 128 Posts. #4 · May 19, 2010. The stock plug is IFR7L11, one step colder is the IFR8H11, get the 8H11. M.

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. THROTTLE POSITION SENSOR.... SCHOOL ME CTPDS is a safety system (on 06+ only) which consists of two switches..one on throttle (on bars) and one inside carb (where cable goes in) if the ICM see's the thottle switch closed (throttle shut) but the carb switch closed (throttle drum open) it kills the ignition at the ICM..shutting off the bike (because it thinks slide is stuck).

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. THROTTLE POSITION SENSOR.... SCHOOL ME CTPDS is a safety system (on 06+ only) which consists of two switches..one on throttle (on bars) and one inside carb (where cable goes in) if the ICM see's the thottle switch closed (throttle shut) but the carb switch closed (throttle drum open) it kills the ignition at the ICM..shutting off the bike (because it thinks slide is stuck).

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. WHAT SIZE IS THE FUEL LINE? Do any of you know what size the fuel line is on the 450r? I would like to put an in-line filter on, but I'm not sure of the size of the fuel line and my bike isn't in front of me. Would it be the standard 1/4" line filter? I thought I remember something about the fuel line

being larger than

HONDA TRX 450R

A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TEMP SENSOR

Temp sensor is located on the cylinder head right behind the thermostat cover. Its a little brass fitting with a male spade electrical connector on it. When the coolant reaches about 200 degrees (or so), the switch closes and sends a ground signal to the ICM, which in turn, triggers the fan. As long as all your wiring/ICM is good, you

can just

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

VALVE CLEARANCE

Joined Nov 23, 2004. ·. 5,074 Posts. #5 · Oct 12, 2006. There are little disc (shims) at the top of each valve assembly. These shims have a number on them telling you their thickness. Edit - Forgot to convert, disregard my numbers listen to 450RRR. If someone wants to double check my numbers it HRC KIT | HONDA TRX 450R Joined Nov 12, 2009. ·. 6 Posts. #6 · Nov 27, 2009. I just picked up the HRC kit for a 2007 trx 450er and received it Wednesday but have not installed, expecting good gains for trail riding. $360 sounds steep, check with site sponsor Powersports Honda. I got mine with (quick) shipping from them for a better price. D. WHICH SPARK PLUG TO RUN 128 Posts. #4 · May 19, 2010. The stock plug is IFR7L11, one step colder is the IFR8H11, get the 8H11. M.

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. DECOMPRESSION ADJUSTMENT So came across a 06 trx450ER not running. I did a simple rebuilt on the motor. New rings, STOCK OE piston,gaskets/seals. Also checked the valves for leaks. None found. The carb has been cleaned and all ports blown out with compressed air and new seals. I set up the decompression by the WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WATER PUMP SEALS? CONFUSED ON WHITE ONE 05 TRX450R Joined May 1, 2005. ·. 4,449 Posts. #2 · Jan 19, 2014. bjones22mx said: Ok I am rebuilding a 05 water pump. I noticed the OEM seal came with 2 parts the package. One part is the aluminum part and the other is a white and black seal. I removed the old aluminum seal, bearing and the seal that goes in front of the bearing.

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. DECOMPRESSION ADJUSTMENT So came across a 06 trx450ER not running. I did a simple rebuilt on the motor. New rings, STOCK OE piston,gaskets/seals. Also checked the valves for leaks. None found. The carb has been cleaned and all ports blown out with compressed air and new seals. I set up the decompression by the WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WATER PUMP SEALS? CONFUSED ON WHITE ONE 05 TRX450R Joined May 1, 2005. ·. 4,449 Posts. #2 · Jan 19, 2014. bjones22mx said: Ok I am rebuilding a 05 water pump. I noticed the OEM seal came with 2 parts the package. One part is the aluminum part and the other is a white and black seal. I removed the old aluminum seal, bearing and the seal that goes in front of the bearing.

HONDA TRX 450R

A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

WHAT HAPPENED?

General Discussion. Lounge. What happened?

WHICH YEAR FOR XC?

What’s up fellas, which year would be best for XC racing? I sold my 04 which I loved but I’m gonna buy another to set up for XC racing. 04-05 is my preference because of less electrical. But would electric start help for XC starts??? Thanks for the input

FLAKES IN FILTER

Hi, I was doing an oil change on the trx today I cut open the filter and found small flakes that are not magnetic. This is the second time I have noticed that, but have only recently started cutting open my filters and checking them. Just wondering if this is something I

should be super

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal WTB | HONDA TRX 450R trx450r.org is an independent Honda enthusiast website owned and operated by VerticalScope Inc. Content on trx450r.org is generated by its users. trx450r.org is not in any way affiliated with Honda Motor

Company

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

CRANK BEARING CLEARANCES? I had caught my crank bearing failure early in my 04 trx450r. So, I decided since I had the engine apart I would put a HOT RODS stroker crank in it. Anyways, installed crank w/new bearings, seals etc. Everything looked good, cases weren't spun in bearing seats - bearings

went in firmly -

OXY POWER FUELS AND POWER FUEL ADDITIVES DYNOED I run mr9 in my quad (pretty much the same as mr10 or mr11) and let me tell you it kills me everytime i buy that stuff. my 450 motor is close to 16:1 compression and i beleive it made 58hp on race gas(i think 110 octane) and made 61hp on on mr9, so ya it definetly does increase the hp even on high compression motors. of course it is a pain in the arse because you have to drain it after

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

DECOMPRESSION ADJUSTMENT So came across a 06 trx450ER not running. I did a simple rebuilt on the motor. New rings, STOCK OE piston,gaskets/seals. Also checked the valves for leaks. None found. The carb has been cleaned and all ports blown out with compressed air and new seals. I set up the decompression by the DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WATER PUMP SEALS? CONFUSED ON WHITE ONE 05 TRX450R Joined May 1, 2005. ·. 4,449 Posts. #2 · Jan 19, 2014. bjones22mx said: Ok I am rebuilding a 05 water pump. I noticed the OEM seal came with 2 parts the package. One part is the aluminum part and the other is a white and black seal. I removed the old aluminum seal, bearing and the seal that goes in front of the bearing.

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

BURNING COOLANT

05 TRX 450 kicker Purchased non- running. Replaced crank, and top end. Started it up and runs fine but was burning coolant, replaced head gasket and installed new head studs. Started it up and ran fine for about 5 minutes, then started burning coolant again. Hooked air

compressor to spark

ENGINE CUTS OUT AT FULL THROTTLE 2,999 Posts. #2 · Nov 24, 2009. First guess would be something in the main jet. Definately would cut out past mid throttle. But since you cleaned it, my second guess is stator. When the stator starts to die, it will cut out and act as a false rev limiter. I've seen it happen on

a couple bikes.

DECOMPRESSION ADJUSTMENT So came across a 06 trx450ER not running. I did a simple rebuilt on the motor. New rings, STOCK OE piston,gaskets/seals. Also checked the valves for leaks. None found. The carb has been cleaned and all ports blown out with compressed air and new seals. I set up the decompression by the DIFFERENCE BETWEEN THE TWO.. whats the difference between the 450r and 450er?? and what year did they start having the e-start? any info would help as im looking to buy a honda 450 soon. i was thinking about purchasing a 07-08 White Honda 450. Please..any info would help. Thanks in advance. WEAK SPARK ISSUE....06 ER When it's grounded, via kill switch or ign, the current takes the path of least resistance and you lose spark at the plug. Continuity wise, the blk/wht wire should never have coninuity to the battery neg, unless a kill switch is engaged (run off or ign off). It's this continuity that kills the spark.

HEAD GASKET PROBLEM

So I have finished putting together my '04 motor, only to have a coolant leak out of the head gasket. I discovered this yesterday after bolting the motor in the frame and hooking up the radiator. Engine has not been ran yet. Both cylinder head and jug just came back from MXP,

so surfaces should

TYPE OF OIL

Joined Nov 4, 2006. ·. 4,474 Posts. #2 • Mar 4, 2014. Since the 450R barely holds any oil, I recommend using a high quality oil. Opinions will vary on what brand, etc. I use sythetic. The Honda Gold bottle is good stuff. HOW TO TEST THE STATOR/IGNITION PULSE GENERATOR(PICK UP By looking at the schematic, one would think there should be continuity. But knowing that the sensor creates AC voltage, it may not work that way. If you have a voltmeter that will get down and read low AC voltage, you can probe the two leads and swipe a metal piece or a magnet across the tip of it and create somekind of voltage. WATER PUMP SEALS? CONFUSED ON WHITE ONE 05 TRX450R Joined May 1, 2005. ·. 4,449 Posts. #2 · Jan 19, 2014. bjones22mx said: Ok I am rebuilding a 05 water pump. I noticed the OEM seal came with 2 parts the package. One part is the aluminum part and the other is a white and black seal. I removed the old aluminum seal, bearing and the seal that goes in front of the bearing.

HONDA TRX 450R

A forum community dedicated to Honda TRX 450r owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, classifieds, maintenance, and more!

WHAT HAPPENED?

General Discussion. Lounge. What happened?

FLAKES IN FILTER

Hi, I was doing an oil change on the trx today I cut open the filter and found small flakes that are not magnetic. This is the second time I have noticed that, but have only recently started cutting open my filters and checking them. Just wondering if this is something I

should be super

WTB | HONDA TRX 450R trx450r.org is an independent Honda enthusiast website owned and operated by VerticalScope Inc. Content on trx450r.org is generated by its users. trx450r.org is not in any way affiliated with Honda Motor

Company

WHICH YEAR FOR XC?

What’s up fellas, which year would be best for XC racing? I sold my 04 which I loved but I’m gonna buy another to set up for XC racing. 04-05 is my preference because of less electrical. But would electric start help for XC starts??? Thanks for the input

JETTING DATABASE

Got a couple questions. I have an 05 with hrc lid, stock filter, mxp full exhaust, 192 main, 52 pilot, screw 2.25 out. 13:1 wiseco but at idle, my header turns welders red. just the first 90*, but revving in neutral no backfire, but when i let off the throttle when im going down the road, it pops. not really loud, just a little. header only gets a little red when im riding, which is normal

STARTS BUT DIES

1,014 Posts. #10 · Apr 10, 2009. sounds like the Throttle Over Ride System to me. when i hooked mine up wrong the first time after installing a motion pro twist throttle, it would start and idle great. you could even run it all the way up to the rev limmiter and let out on the clutch and it would just die. remove the two wires from your TRX450R: COMMON ISSUES? Shaggs. Hi guys, ive been thinking of getting a 450r but was interested in hearing the common issues the bike has, ie: Frame, electrical/wiring, engine/drivetrain, and suspension issues. The only complaint ive heard so far is the frame could use gusseted, but I would like to hear more from a group of owners such as yourselves,

thanks.

CRANK BEARING CLEARANCES? I had caught my crank bearing failure early in my 04 trx450r. So, I decided since I had the engine apart I would put a HOT RODS stroker crank in it. Anyways, installed crank w/new bearings, seals etc. Everything looked good, cases weren't spun in bearing seats - bearings

went in firmly -

OXY POWER FUELS AND POWER FUEL ADDITIVES DYNOED I run mr9 in my quad (pretty much the same as mr10 or mr11) and let me tell you it kills me everytime i buy that stuff. my 450 motor is close to 16:1 compression and i beleive it made 58hp on race gas(i think 110 octane) and made 61hp on on mr9, so ya it definetly does increase the hp even on high compression motors. of course it is a pain in the arse because you have to drain it after

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JETTING QUESTIONS

Engine

Most of you agree there are THOUSANDS of some type of "jetting questions" on the Org.... and I have spent my share of time trying to answer many of them.... So, what I purpose, is a PINNED thread, which will allow most people to understand jetting, determine jetting needs, view what the most...

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JETTING DATABASE

Engine Tech FAQ

Alright I got 15 different Jetting set-ups for all different years. I have them in order by year, so you can find your year and similar mods and hopefully get a better feel of where your jetting should be... I know some more of you gave me your info but without knowing some key

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THE MOTHER FCR INFO / TUNING GUIDE

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there are lots and lots of carburetors out there....lots of differences...so i will condense the majority of the thread to info pertinent to my all time favorite 4-stroke carb... the KEIHIN FCR carb.... keihin is a subsidiary of Honda Motor Corp... and their 2-stroke and 4-stroke carbs are state...

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MY SILVER & BLACK BUILD - A YEAR IN THE MAKING TRX450R.org Project Quads Well, its been a long time coming. And I have been lagging on creating a project thread due to the fact that I have not taken any nice pictures as of yet. But will try to do so soon and add them to this thread. A little background on my build... It started a year ago when I sent a head out to...

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