A forum for owners of Yamaha TTR250 trail and enduro bikes!

PurpleWheels · PurpleWheels

My bike developed a problem when trying to start the engine. Pressing the start button would occasionally just produce a click from the solenoid, but the starter would not turn. Repeatedly pressing the button would eventually trigger the starter motor and turn over the engine. The problem was gett...

TTR Dude · TTR Dude

Okay! My "new" 2011 TTR250 is arriving in a few days, and I'm sorting out what tools I need for the workshop. What would you guys suggest? It's been a long time since I've owned a bike, and suggested tools for the 250 would be appreciated. Also, what gap have you got set on your TTR250? Cheers

Flying Dodo · Flying Dodo

Hi All, I had a large departure from my TTR a while back which thankfully damaged the bike and my ego more than me! Most has been easily fixable but the stud on which the brake lever is mounted snapped at the thread! It looks as though maybe there has been a previous repair! Any bright ideas haw to get the thr...

TTRfan · TTRfan

I didn't think I was going to get this sump plug out but a bit of heat and persistence with a hammer and cold chisel won the day!

PurpleWheels · PurpleWheels

I have an early Raid with the digital speedo, where the LCD display has started degrading and it would no longer show the distance/trip meter, see the photo below. I also had a spare speedo which would not light up at all from a bike I had broken for parts, but which seemed to have a good LCD panel, so I decid...

TheDude_Abides · TheDude_Abides

I have been a creeper here for some time and truly believe groups of enthusiasts like these, when they get together and share experience, are what drive my love for riding. Thank you all for all the jams you've got me out of in the past. Maybe I am using the wrong verbiage in my searches but this is what I am c...

dan-reeves · dan-reeves

Hello, Recently refitted indicators to bike, they currently just stay on permanently when operated. have tried led ones and standard ones, both the same. Have bought a new relay to try, still no luck. There is also no indicator tell tale up front, bulb new wondered if there’s any common wiring faul...

R Hocking · R Hocking

Can anyone give a good reason not to weld the leaking plug in position,especially as the keep bolt has striped threads.

dlee22 · dlee22

Hi all I have just opened up the clutch case to replace the heavy duty springs back to standard on the ttr350 and I have seen that the cam chain guide has snapped at the base for the second time. I have ridde around 16,000miles minimum as a ttr250 over the last few years and I upgraded to the 350 big bore ki...

dlee22 · dlee22

Hi again, I heard my girlfriend's 325 started to sound strange and has been off the road since. I just took a look and have found the front cover/plate is heavily scored, as is the first friction plate and the steel one. I was even more shocked to find the rear one exploded, thankfully all parts have be...

TTRfan · TTRfan

Updated MOT - LED conversion is now an MOT fail 4.1.4. Compliance with requirements“Existing halogen headlamp units should not be converted to be used with high intensity discharge (HID) or light emitting diode (LED) bulbs. If such a conversion has been done, you must fail the headlamp.”

Szechuan1307 · Szechuan1307

So I’ve got a ttr 250 1993 with electrical start no kick. New battery was installed and it started no dramas but as it sat there for ages with the battery trickle charging weeks later the start button is non responsive. I’ve played around with all the start circuit sensors but can’t get it to start from sw...

TTRfan · TTRfan

Riddle me this! I am just stripping apart an engine that I bought as part of a job lot many years ago and I have no idea as to its background. It's from a metal-tanked bike as it has the extension on the transmission shaft for a magnet plus its number is 4GY whereas the blue TTRs invariably have a 4PX engine n...

dlee22 · dlee22

Hi all, hope you all had a good Christmas. When my bike is idling my bikes at a nice 13.5 volts. (Fully charged battery on the bike), when I ride it the voltage drops to 6-9v but then goes back up to 13.5 volts when on a lower but steady throttle. I'll pull the generator off and try to check it out, has anyone...

ttr steve · ttr steve

My battery keeps draining a bit when I am not using the bike for long periods of time 😑 so today I fitted a new regulator, hopefully it will fix the problem

It must be that as all the USB charging socket and heated grips have an off switch fitted. The battery is new as well

Whilst I had the Acerbic tank...

vwanjau · vwanjau

Hi Team, I am having an electrical issue with my Bike TTR 250 1994 model. Started with the start button having a hard time to start the bike, then when to the headlight not working, then spread to the indicator lights. The Dashboard Odometer and the break light were the last components to die. Now the bik...

dlee22 · dlee22

Hi all, My girlfriend has nearly got her ttr250 raid ready for the mot but the one thing being a pain is the front brake light. The rear brake is fine so we know the rear is okay. The if I replace the front switch (with an aftermarket) it makes no difference. I disconnected the electrical block connector...

GzC59 · GzC59

Hi Folks, would appreciate a bit of advice on this if possible. The riding experience on my 05 TTR is best described as "clunky" with respect to the throttle take up, smooth and progressive it is not. Don't think it has ever been really smooth since I've owned it, but I would expect everyone here who ride...

ttboof · ttboof

I noticed the speedo cable was rubbing into the lower fork tube. I've put a bit of tape behind it to stop the wear The notch is pretty deep close to 80,000ks on it though

ttr steve · ttr steve

I have been asked a lot about this lately, so I thought I would re post my old solution to a cheap starter motor repair. Hi I have been doing a lot of maintenance on my bike lately, and have spent quite a few pounds. Now my starter motor has packed up, shredded gears, done the sprag and large idler gear, then...

vwanjau · vwanjau

Hi Guys, I have got an oil leak on my Engine and silicon cant seem to sort the issue. What do I need to replace? The top gasket only ? Also when I rev the bike hard, I can see smoke from the exhaust. What should I check for here? Kind Regards

nugget68 · nugget68

Hey guys, new here, been reading up on a few posts. I am going to look at a 2005 TTR 250 today, gonna possibly trade some stuff for it which would put me about $550 in the bike if I decide to trade. The bike is currently not running, owner said the timing tensioner failed, but was running last week, he said it h...

TTRfan · TTRfan

I was cleaning up a clutch cover from a blue TTR and thought I would check the crankshaft end oil seal. I was surprised at how hard the seal material was and how worn the inside looked so I dug it out to have a look. The inner diameter measured just over 14mm and it fits over a 14mm end of the crankshaft so not i...

SussexTony · SussexTony

My boy came back from a ride ( private land) and said that the bike battery died witch seems mad because I’ve just fitted a new battery, starter motor, and sprag, because it started to bang when switching off engine, so today we had a look and when I put multi meter on battery it said 12: 7 v battery ok! So th...

ttboof · ttboof

Replaced another set of wheel bearings. They were a bit reluctant to come out and the spacer got a bit messed up. Leaving it a tad shorter than it should be I went to order a new one but it's a three month wait Over night I've tidied the end up and but a bit of metal putty on the end now all good until the new one...

Base · Base

I had to reset my Trail Tech speedo recently and have the options to enter some indication points for high rev range during gear changes. I've had a quick search but didn't find anything conclusive. It has the option to flash LED lights to change gears. Has options for High rev range and Danger. Any idea...

TTRfan · TTRfan

A mate gave me this tip and it seems to have worked! My airbox intake boot is a tight fit and it is sometimes difficult to get it to sit fully on the carb. One remedy might be (a) to find some pipe that is a tight fit in the mouth of the boot, (b) cramp it in tight. (c) pour really hot water over the boot, (d) pull ha...

little_wing · little_wing

https://www.rockymountainatvmc.com/parts/tusk-crankcase-splitter-p

SussexTony · SussexTony

how long do sprag clutches last ,

jaobedoza · jaobedoza

So how do we repalce them? High beam indicator is dead. Thanks very much!

Topic		Started By	Replies	Views	Last Post
	Solenoid fixes and lessons learned (Preview) My bike developed a problem when trying to start the engine. Pressing the start button would occasionally just produce a click from the solenoid, but the starter would not turn. Repeatedly pressing the button would eventually trigger the starter motor and turn over the engine. The problem was gett...	PurpleWheels	10	2432	Feb 14, 2021 by twoscoops
	Suggested Tools and Distance for Spark Plug Gap on TTR250 (Preview) Okay! My "new" 2011 TTR250 is arriving in a few days, and I'm sorting out what tools I need for the workshop. What would you guys suggest? It's been a long time since I've owned a bike, and suggested tools for the 250 would be appreciated. Also, what gap have you got set on your TTR250? Cheers	TTR Dude	7	2486	Feb 6, 2021 by TTR Dude
	Foot Brake lever (Preview) Hi All, I had a large departure from my TTR a while back which thankfully damaged the bike and my ego more than me! Most has been easily fixable but the stud on which the brake lever is mounted snapped at the thread! It looks as though maybe there has been a previous repair! Any bright ideas haw to get the thr...	Flying Dodo	5	972	Feb 5, 2021 by Flying Dodo
	Sump plug issues mega thread - plug stuck in, threads stripped, leaking etc. ( 1 2 ) (Preview) I didn't think I was going to get this sump plug out but a bit of heat and persistence with a hammer and cold chisel won the day!	TTRfan	98	41457	Feb 2, 2021 by tripodtiger
	Digital speedo surgery (Preview) I have an early Raid with the digital speedo, where the LCD display has started degrading and it would no longer show the distance/trip meter, see the photo below. I also had a spare speedo which would not light up at all from a bike I had broken for parts, but which seemed to have a good LCD panel, so I decid...	PurpleWheels	5	992	Jan 26, 2021 by mossproof
	TTR250 - Front fork and triple tree measurements (Preview) I have been a creeper here for some time and truly believe groups of enthusiasts like these, when they get together and share experience, are what drive my love for riding. Thank you all for all the jams you've got me out of in the past. Maybe I am using the wrong verbiage in my searches but this is what I am c...	TheDude_Abides	12	2249	Jan 25, 2021 by mossproof
	Indicator fault (Preview) Hello, Recently refitted indicators to bike, they currently just stay on permanently when operated. have tried led ones and standard ones, both the same. Have bought a new relay to try, still no luck. There is also no indicator tell tale up front, bulb new wondered if there’s any common wiring faul...	dan-reeves	6	1400	Jan 23, 2021 by ttboof
	Plug above exhaust port. (Preview) Can anyone give a good reason not to weld the leaking plug in position,especially as the keep bolt has striped threads.	R Hocking	2	1114	Jan 22, 2021 by ttboof
	Front cam chain guide snapped AGAIN (Preview) Hi all I have just opened up the clutch case to replace the heavy duty springs back to standard on the ttr350 and I have seen that the cam chain guide has snapped at the base for the second time. I have ridde around 16,000miles minimum as a ttr250 over the last few years and I upgraded to the 350 big bore ki...	dlee22	30	1519	Jan 20, 2021 by dlee22
	Clutch plate explosion (Preview) Hi again, I heard my girlfriend's 325 started to sound strange and has been off the road since. I just took a look and have found the front cover/plate is heavily scored, as is the first friction plate and the steel one. I was even more shocked to find the rear one exploded, thankfully all parts have be...	dlee22	14	1218	Jan 17, 2021 by dlee22
	Updated MOT - LED conversion now MOT fail - UK only (Preview) Updated MOT - LED conversion is now an MOT fail 4.1.4. Compliance with requirements“Existing halogen headlamp units should not be converted to be used with high intensity discharge (HID) or light emitting diode (LED) bulbs. If such a conversion has been done, you must fail the headlamp.”	TTRfan	0	968	Jan 13, 2021 by TTRfan
	TTR250 1993 Electrical issues - starter (Preview) So I’ve got a ttr 250 1993 with electrical start no kick. New battery was installed and it started no dramas but as it sat there for ages with the battery trickle charging weeks later the start button is non responsive. I’ve played around with all the start circuit sensors but can’t get it to start from sw...	Szechuan1307	7	1235	Jan 11, 2021 by ttboof
	A breathing issue! (Preview) Riddle me this! I am just stripping apart an engine that I bought as part of a job lot many years ago and I have no idea as to its background. It's from a metal-tanked bike as it has the extension on the transmission shaft for a magnet plus its number is 4GY whereas the blue TTRs invariably have a 4PX engine n...	TTRfan	2	915	Jan 2, 2021 by TTRfan
	Voltage drop (Preview) Hi all, hope you all had a good Christmas. When my bike is idling my bikes at a nice 13.5 volts. (Fully charged battery on the bike), when I ride it the voltage drops to 6-9v but then goes back up to 13.5 volts when on a lower but steady throttle. I'll pull the generator off and try to check it out, has anyone...	dlee22	8	1150	Dec 28, 2020 by TTRfan
	Battery drain when bike not in use (Preview) My battery keeps draining a bit when I am not using the bike for long periods of time 😑 so today I fitted a new regulator, hopefully it will fix the problem It must be that as all the USB charging socket and heated grips have an off switch fitted. The battery is new as well Whilst I had the Acerbic tank...	ttr steve	19	1566	Dec 21, 2020 by ttr steve
	Electrical Issues (Preview) Hi Team, I am having an electrical issue with my Bike TTR 250 1994 model. Started with the start button having a hard time to start the bike, then when to the headlight not working, then spread to the indicator lights. The Dashboard Odometer and the break light were the last components to die. Now the bik...	vwanjau	15	1548	Dec 20, 2020 by dlee22
	Front brake light (Preview) Hi all, My girlfriend has nearly got her ttr250 raid ready for the mot but the one thing being a pain is the front brake light. The rear brake is fine so we know the rear is okay. The if I replace the front switch (with an aftermarket) it makes no difference. I disconnected the electrical block connector...	dlee22	9	1137	Dec 15, 2020 by dlee22
	Throttle Take Up (Preview) Hi Folks, would appreciate a bit of advice on this if possible. The riding experience on my 05 TTR is best described as "clunky" with respect to the throttle take up, smooth and progressive it is not. Don't think it has ever been really smooth since I've owned it, but I would expect everyone here who ride...	GzC59	5	1271	Dec 14, 2020 by TTRfan
	Something to keep an eye on (Preview) I noticed the speedo cable was rubbing into the lower fork tube. I've put a bit of tape behind it to stop the wear The notch is pretty deep close to 80,000ks on it though	ttboof	2	1368	Dec 8, 2020 by ttboof
	Starter motor repair, using FZR 600 Starter motor (Preview) I have been asked a lot about this lately, so I thought I would re post my old solution to a cheap starter motor repair. Hi I have been doing a lot of maintenance on my bike lately, and have spent quite a few pounds. Now my starter motor has packed up, shredded gears, done the sprag and large idler gear, then...	ttr steve	14	9335	Dec 7, 2020 by JOHNYBOY
	Oil Leak (Preview) Hi Guys, I have got an oil leak on my Engine and silicon cant seem to sort the issue. What do I need to replace? The top gasket only ? Also when I rev the bike hard, I can see smoke from the exhaust. What should I check for here? Kind Regards	vwanjau	2	1208	Dec 3, 2020 by vwanjau
	Project Bike (Preview) Hey guys, new here, been reading up on a few posts. I am going to look at a 2005 TTR 250 today, gonna possibly trade some stuff for it which would put me about $550 in the bike if I decide to trade. The bike is currently not running, owner said the timing tensioner failed, but was running last week, he said it h...	nugget68	2	1104	Dec 2, 2020 by nugget68
	Crankshaft end oil seal (Preview) I was cleaning up a clutch cover from a blue TTR and thought I would check the crankshaft end oil seal. I was surprised at how hard the seal material was and how worn the inside looked so I dug it out to have a look. The inner diameter measured just over 14mm and it fits over a 14mm end of the crankshaft so not i...	TTRfan	3	1235	Nov 26, 2020 by ttr steve
	Hard starter (Preview) My boy came back from a ride ( private land) and said that the bike battery died witch seems mad because I’ve just fitted a new battery, starter motor, and sprag, because it started to bang when switching off engine, so today we had a look and when I put multi meter on battery it said 12: 7 v battery ok! So th...	SussexTony	16	958	Nov 26, 2020 by TTRfan
	Rear wheel spacer kind of fix (Preview) Replaced another set of wheel bearings. They were a bit reluctant to come out and the spacer got a bit messed up. Leaving it a tad shorter than it should be I went to order a new one but it's a three month wait Over night I've tidied the end up and but a bit of metal putty on the end now all good until the new one...	ttboof	3	997	Nov 14, 2020 by ttboof
	Rev limits (Preview) I had to reset my Trail Tech speedo recently and have the options to enter some indication points for high rev range during gear changes. I've had a quick search but didn't find anything conclusive. It has the option to flash LED lights to change gears. Has options for High rev range and Danger. Any idea...	Base	4	1111	Nov 6, 2020 by TTRfan
	Restoring an airbox intake boot to original shape (Preview) A mate gave me this tip and it seems to have worked! My airbox intake boot is a tight fit and it is sometimes difficult to get it to sit fully on the carb. One remedy might be (a) to find some pipe that is a tight fit in the mouth of the boot, (b) cramp it in tight. (c) pour really hot water over the boot, (d) pull ha...	TTRfan	0	915	Nov 3, 2020 by TTRfan
	splitting the case (Preview) https://www.rockymountainatvmc.com/parts/tusk-crankcase-splitter-p	little_wing	3	1288	Nov 3, 2020 by little_wing
	Sprag clutch (Preview) how long do sprag clutches last ,	SussexTony	10	1048	Oct 28, 2020 by SussexTony
	Dash indicator bulb replacement (Preview) So how do we repalce them? High beam indicator is dead. Thanks very much!	jaobedoza	6	1311	Oct 28, 2020 by ttr steve
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