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

Wardy · Wardy

Morning gents, have acquired a oil leak from the generator cover just below the starter. Is this a straightforward job to replace the gasket, or will I need other parts, oil seals, etc, or special tools. If it's just a remove cover and replace I'll have a go at it. Thanks in advance.

miltos · miltos

Hi! I recently had my engine siezed (at the motorway). It is now partialy stripped and it is obvious that the Conrod big end is stucked to the crankshaft. Also, at least one of the crankshaft bearings is affected (the crank can turn but it shows difficulty). Lastly, each one of the small camshafts caps (...

Jeff B · Jeff B

There is a Taiwanese manufacturing company selling our one way starter clutch assemblies on Ebay. The company is Frontier Motor. The price is incredible and they ship worldwide. I ordered one and it appears to be OEM quality. Does anyone have any knowledge about this company? https://www....

KTMjase · KTMjase

Hi all. I have a 250 Raid model with digital speedo.Was working fine, it still lights up but does not now register any KM/h, it just reads zero. I have read through forum which has been a great help.At the sensor near front sprocket I am getting 5v on blue wire and about 4.7v on yellow wire.When I spin the w...

Rossyboys · Rossyboys

I have purchased a second hand "Pro Circuit T4 muffler that needs to be repacked, and pipe bent to fit. Two questions 1) what's the best form of packing a) Blanket type or b) Fiber packing? 2) I live in Sydney Australia, and recommendations for a good muffle shop to put a couple of bends in the pipe to f...

Smedders · Smedders

Afternoon all. Any of you Raid guru's know what the two holes in the front and rear of the toolbox are for. I see there's a drain at the bottom, the other 2? Cheers Andy

Smedders · Smedders

Hi folks, I have a bit of play in the rear suspension linkage. It looks like just 2 of the bushes. Measured at the rear axle to the mudguard it's about 4mm. I'm more than happy to replace the necessary parts, just wondering if I can expect zero movement once completed? Thanks in advance

ttr steve · ttr steve

Just tried the majesty swap starter motor repair. Perfect fit, just take the back of yours and fit it to the majesty one. I bought the majesty 250, came from Italy and less than 40 quid including delivery

This was not my idea, but another forum members and it is great that he gave us all the heads up on th...

sslrgrt · sslrgrt

I've just replaced the seals in my front forks on a TTR 250 Raid. When re-assembling, the instructions are to use 550mm of oil then adjust the level to 130mm from the top of the inner fork tube (fully compressed). However, it then took another 40mm of oil to reach this level - total 590mm. Is this because t...

obelix · obelix

Hi Everybody I bought a 1993 TT250R open enduro last year. It started using oil and smoking like a 2-stroke. I used a boroscope to inspect the cyclinder wall and found vertical scrathes. I think the previous owner allowed sand to drop-in when change the sparkplug. I believe that the cylinder needs to b...

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...

pavlos · pavlos

Hi, i would like to enlighten me in a strange issue : after light signs of cracks on tank cap rubber seal and leakage from the keylock barrel, gas cap of tank was changed on TTR '97. After the change, engine switched on and drive about 200m to garage with tank filled by 1/3. Petrol tap has turned off and bike...

Topic		Started By	Replies	Views	Last Post
	Generator cover oil leak (Preview) Morning gents, have acquired a oil leak from the generator cover just below the starter. Is this a straightforward job to replace the gasket, or will I need other parts, oil seals, etc, or special tools. If it's just a remove cover and replace I'll have a go at it. Thanks in advance.	Wardy	2	236	Aug 28, 2021 by Wardy
	Conrod big end seizure (Preview) Hi! I recently had my engine siezed (at the motorway). It is now partialy stripped and it is obvious that the Conrod big end is stucked to the crankshaft. Also, at least one of the crankshaft bearings is affected (the crank can turn but it shows difficulty). Lastly, each one of the small camshafts caps (...	miltos	9	325	Aug 26, 2021 by mossproof
	New Sprag Clutch Assembly on Ebay (Preview) There is a Taiwanese manufacturing company selling our one way starter clutch assemblies on Ebay. The company is Frontier Motor. The price is incredible and they ship worldwide. I ordered one and it appears to be OEM quality. Does anyone have any knowledge about this company? https://www....	Jeff B	12	890	Aug 24, 2021 by TTRfan
	Digital speedo not registering kph (Preview) Hi all. I have a 250 Raid model with digital speedo.Was working fine, it still lights up but does not now register any KM/h, it just reads zero. I have read through forum which has been a great help.At the sensor near front sprocket I am getting 5v on blue wire and about 4.7v on yellow wire.When I spin the w...	KTMjase	5	280	Aug 18, 2021 by ttr steve
	I have another exhaust ProCircuitT4 that needs new packing and bends in pipe to fit (Preview) I have purchased a second hand "Pro Circuit T4 muffler that needs to be repacked, and pipe bent to fit. Two questions 1) what's the best form of packing a) Blanket type or b) Fiber packing? 2) I live in Sydney Australia, and recommendations for a good muffle shop to put a couple of bends in the pipe to f...	Rossyboys	8	413	Aug 11, 2021 by Rossyboys
	Raid toolbox holes (Preview) Afternoon all. Any of you Raid guru's know what the two holes in the front and rear of the toolbox are for. I see there's a drain at the bottom, the other 2? Cheers Andy	Smedders	0	302	Jul 22, 2021 by Smedders
	Raid suspension movement (Preview) Hi folks, I have a bit of play in the rear suspension linkage. It looks like just 2 of the bushes. Measured at the rear axle to the mudguard it's about 4mm. I'm more than happy to replace the necessary parts, just wondering if I can expect zero movement once completed? Thanks in advance	Smedders	3	255	Jul 5, 2021 by ttr steve
	Cheap and easy starter repair using a Yamaha Majesty starter (Preview) Just tried the majesty swap starter motor repair. Perfect fit, just take the back of yours and fit it to the majesty one. I bought the majesty 250, came from Italy and less than 40 quid including delivery This was not my idea, but another forum members and it is great that he gave us all the heads up on th...	ttr steve	8	1238	Jun 28, 2021 by TTRfan
	Raid fork all level (Preview) I've just replaced the seals in my front forks on a TTR 250 Raid. When re-assembling, the instructions are to use 550mm of oil then adjust the level to 130mm from the top of the inner fork tube (fully compressed). However, it then took another 40mm of oil to reach this level - total 590mm. Is this because t...	sslrgrt	3	340	Jun 4, 2021 by ttboof
	engine cylinder bore info (Preview) Hi Everybody I bought a 1993 TT250R open enduro last year. It started using oil and smoking like a 2-stroke. I used a boroscope to inspect the cyclinder wall and found vertical scrathes. I think the previous owner allowed sand to drop-in when change the sparkplug. I believe that the cylinder needs to b...	obelix	2	368	May 24, 2021 by obelix
	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	539	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	383	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	664	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	1067	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	444	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	1022	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	6455	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	474	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	755	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	2146	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	799	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	642	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	320	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	734	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	333	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	2022	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	593	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	727	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	391	Feb 5, 2021 by Flying Dodo
	Tank gas cap leakage tank gas leakage (Preview) Hi, i would like to enlighten me in a strange issue : after light signs of cracks on tank cap rubber seal and leakage from the keylock barrel, gas cap of tank was changed on TTR '97. After the change, engine switched on and drive about 200m to garage with tank filled by 1/3. Petrol tap has turned off and bike...	pavlos	7	381	Feb 4, 2021 by mossproof
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