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

zacht · zacht

Hi, I have a 2005 TTR250TC. Was changing the oil today and when I got to the final step and opened the bleed bolt to test the oil pressure the bolt sheared off, leaving part of the shank in the threads. I was thinking of using something like an easy out bolt extractor to remove it, but wanted to see if anyone c...

iran ttr250 · iran ttr250

hi Friends on the all over the world this action for 2 year becauce parts of the ttr very scarce in the Middle East of asia. its love -- Edited by iran ttr250 on Wednesday 19th of May 2021 06:40:58 PM -- Edited by iran ttr250 on Wednesday 19th of May 2021 06:58:10 PM

Dan-in-a-Van · Dan-in-a-Van

Hi Tried to start the TTR for the first time in a few months. It turned over and started on the choke. Ran for a few seconds and stalled. It did this a couple more times before running a bit less rough. I switched it off, went and grabbed my jacket & helmet and then when I got back it did this? https://www...

Falkie · Falkie

Hope someone can help me out here. Just got back from green laning yesterday and on the way back was a rattling noise. I stopped and checked everything out (or so I thought) and couldn't find anything wrong. I thought maybe the chain was slightly slack so adjusted it today anyway which it did need. Howev...

Irve · Irve

Hello, My bike was always loud and today I've decided to meassure Db with a phone. On idle has it shown 80 Db on 20-25% trottle 105db :/. According to spec should it be 79Db for 3500RPM. I was looking for some info what to do or what can be the cause in google. What I have learned - this kind of muffler shouldn'...

sidecars48 · sidecars48

Hi all im after a new set of tyres, what sizes will fit without hitting my swingarm/ mudguard? will 120/90/18 fit on the rear? and will 90/90/21 fit the front? cheers

ben694 · ben694

So first of all hello this is my first post so be nice ;) So I bought this battered wreck from my mother (that bought it as a dooer upper/quick turn around) that clearly didn't inspect it propperly as the piston skirt had broken off and shattered into a million pieces that had been distributed all over the...

Forgorin · Forgorin

Well, I'm missing a guide chain stopper. There doesn't seem to be anything available anywhere in the world. And advice? It's part number 5 in the attached photo.

Primo_ · Primo_

Hi guys, I bit the bullet and picked up a 2000 TTR-250. Was riding it fine up until yesterday. It started bogging when I tried to go full throttle. Then it stayed reving higher than normal at fully closed throttle. Done is done and she's mine now. Now it starts up but only stays running when I apply t...

davecambo · davecambo

Would simply replacing the standard piston with a wiseco high comp piston of the SAME SIZE offer any power or torque gain?

twoscoops · twoscoops

Hi Everyone, Tearing into my new to me TTR project - my first one - bought it not running. Is it possible to confirm the engine year from the serial number stamping? My bike is a 2003 (build date 06/2002, 10th digit '3') - looks like maybe the engine has been apart - the piston is missing and the connecting r...

Phlip7 · Phlip7

I'm not sure if anybody has come across this before but my blue plastic tank has started to change colour from blue to black. It's mainly on the top and bottom of the tank where no sticker were. Does anyone have any idea what may be causing this and how to fix it? I'm thinking it may be caused by the sun reacti...

vwanjau · vwanjau

Hi Team, My engine is overheating,I can feel alot of heat coming from the right hand side. The bike has oil( fresh oil I just changed rescently), the same oil I have been using ever since I acquired it. The heat becomes unbearable to an extent have to ride with my leg far apart from the footpeg. What could b...

Scarth28 · Scarth28

Hi everyone, Im new to the forum job so bare with me and take a seat for this essay ha. So.. i recently bought a 1993 ttr 250 open enduro with very low miles. On my first ride out after buying it the starter packed up on the way home so i bumped it off and rode it home no problem. Once i got home and stripped it nex...

gregory191 · gregory191

today I went into a Yamaha shop with the intention of getting a spare key cut for my 2002 aus blue ttr. The lady where said that there are 5 different types keys that they have to cut. I don’t know what type key my bike is. I’d there a way to identify if it is A, B, C, D or E key without taking the key barrel apart? T...

TTRfan · TTRfan

Has anyone bought longer clutch and throttle cables from Venhill recently? They are supposed to have the patterns to make them up. What sort of extra length is needed to accommodate Dakar Highs? My bro' tried re-routing his throttle cables but they still bind with his RC Renthals and needs longer one...

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...

Topic		Started By	Replies	Views	Last Post
	Oil Pressure Bleed Screw (Preview) Hi, I have a 2005 TTR250TC. Was changing the oil today and when I got to the final step and opened the bleed bolt to test the oil pressure the bolt sheared off, leaving part of the shank in the threads. I was thinking of using something like an easy out bolt extractor to remove it, but wanted to see if anyone c...	zacht	10	1154	May 22, 2021 by zacht
	iranian ttr250 repaired (Preview) hi Friends on the all over the world this action for 2 year becauce parts of the ttr very scarce in the Middle East of asia. its love -- Edited by iran ttr250 on Wednesday 19th of May 2021 06:40:58 PM -- Edited by iran ttr250 on Wednesday 19th of May 2021 06:58:10 PM	iran ttr250	10	991	May 21, 2021 by iran ttr250
	Sprag clutch or starter? (Preview) Hi Tried to start the TTR for the first time in a few months. It turned over and started on the choke. Ran for a few seconds and stalled. It did this a couple more times before running a bit less rough. I switched it off, went and grabbed my jacket & helmet and then when I got back it did this? https://www...	Dan-in-a-Van	14	1862	May 21, 2021 by iran ttr250
	Chain roller - what is missing ? - something dropped off ! (Preview) Hope someone can help me out here. Just got back from green laning yesterday and on the way back was a rattling noise. I stopped and checked everything out (or so I thought) and couldn't find anything wrong. I thought maybe the chain was slightly slack so adjusted it today anyway which it did need. Howev...	Falkie	15	5202	May 13, 2021 by mossproof
	Bike is running loud (80 Db on idle) (Preview) Hello, My bike was always loud and today I've decided to meassure Db with a phone. On idle has it shown 80 Db on 20-25% trottle 105db :/. According to spec should it be 79Db for 3500RPM. I was looking for some info what to do or what can be the cause in google. What I have learned - this kind of muffler shouldn'...	Irve	2	1086	May 10, 2021 by TerryK
	TYRES (Preview) Hi all im after a new set of tyres, what sizes will fit without hitting my swingarm/ mudguard? will 120/90/18 fit on the rear? and will 90/90/21 fit the front? cheers	sidecars48	5	1683	Apr 11, 2021 by Kaos
	neutral switch wire placement (Preview) So first of all hello this is my first post so be nice ;) So I bought this battered wreck from my mother (that bought it as a dooer upper/quick turn around) that clearly didn't inspect it propperly as the piston skirt had broken off and shattered into a million pieces that had been distributed all over the...	ben694	31	14384	Apr 9, 2021 by TTRfan
	Chain stopper (Preview) Well, I'm missing a guide chain stopper. There doesn't seem to be anything available anywhere in the world. And advice? It's part number 5 in the attached photo.	Forgorin	3	983	Mar 13, 2021 by Forgorin
	2000 TTR-250 (Preview) Hi guys, I bit the bullet and picked up a 2000 TTR-250. Was riding it fine up until yesterday. It started bogging when I tried to go full throttle. Then it stayed reving higher than normal at fully closed throttle. Done is done and she's mine now. Now it starts up but only stays running when I apply t...	Primo_	17	1715	Mar 13, 2021 by Primo_
	Wiseco pistons (Preview) Would simply replacing the standard piston with a wiseco high comp piston of the SAME SIZE offer any power or torque gain?	davecambo	10	2965	Mar 12, 2021 by ttboof
	Identify engine by Serial number on case (Preview) Hi Everyone, Tearing into my new to me TTR project - my first one - bought it not running. Is it possible to confirm the engine year from the serial number stamping? My bike is a 2003 (build date 06/2002, 10th digit '3') - looks like maybe the engine has been apart - the piston is missing and the connecting r...	twoscoops	12	3228	Mar 12, 2021 by twoscoops
	Blue plastic fuel tank changing colour. (Preview) I'm not sure if anybody has come across this before but my blue plastic tank has started to change colour from blue to black. It's mainly on the top and bottom of the tank where no sticker were. Does anyone have any idea what may be causing this and how to fix it? I'm thinking it may be caused by the sun reacti...	Phlip7	7	1325	Feb 20, 2021 by Phlip7
	Overheating Engine (Preview) Hi Team, My engine is overheating,I can feel alot of heat coming from the right hand side. The bike has oil( fresh oil I just changed rescently), the same oil I have been using ever since I acquired it. The heat becomes unbearable to an extent have to ride with my leg far apart from the footpeg. What could b...	vwanjau	2	763	Feb 20, 2021 by vwanjau
	From bad to worse why wont this thing start?! Ttr250 open enduro (Preview) Hi everyone, Im new to the forum job so bare with me and take a seat for this essay ha. So.. i recently bought a 1993 ttr 250 open enduro with very low miles. On my first ride out after buying it the starter packed up on the way home so i bumped it off and rode it home no problem. Once i got home and stripped it nex...	Scarth28	15	1420	Feb 17, 2021 by ttr steve
	Identifying a key Keys replace (Preview) today I went into a Yamaha shop with the intention of getting a spare key cut for my 2002 aus blue ttr. The lady where said that there are 5 different types keys that they have to cut. I don’t know what type key my bike is. I’d there a way to identify if it is A, B, C, D or E key without taking the key barrel apart? T...	gregory191	5	1199	Feb 17, 2021 by gregory191
	Longer cables for high rise bars and bar risers (Preview) Has anyone bought longer clutch and throttle cables from Venhill recently? They are supposed to have the patterns to make them up. What sort of extra length is needed to accommodate Dakar Highs? My bro' tried re-routing his throttle cables but they still bind with his RC Renthals and needs longer one...	TTRfan	11	2598	Feb 16, 2021 by tom13
	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	1887	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	1914	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	807	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	31679	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	797	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	1799	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	1225	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	939	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	1316	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	1066	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	809	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	1084	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	771	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	991	Dec 28, 2020 by TTRfan
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