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

WiresharkTTR · WiresharkTTR

Hello could you please help me with something i am finding difficult to find on google. even cmsln.com wont tell me the dimensions of the screws that hold down the front brack fluid res. 2 little flat head screws and i just need to know the sizes if anyone know would they kindly share it xD . also what oil do...

rooney · rooney

Before I go pulling the dash cluster apart to diagnose the issue. I thought I would ask to see if anyone else has had troubles with there Speedo dash and if there was a simple solutions. It’s a blue 99 model with the analog speedo. Cable and speedo drive are both new. I’v spun the cable from the speedo drive...

Don · Don

I am trying to find a Headlight lens for a 2006 blue TTR 250 The one on the bike was broken and unable to read the number can any one tell me the number on it. i have an old one that was in a light surround that i brought, it has the number 50R-0045965 I see that the German website below has this one, is it correct...

basher · basher

Got my 94 raid on the boat road after it’s been sitting for a few years but getting a bit of clutch slip, can get replacement pattern clutch plates for £20 or ebc heavy duty with updated springs for £45, is it worth the extra?

wobbly · wobbly

A mot question, was wondering if anyone had come across. Fork seals are generally covered by rubber gaitors and hidden, to inspect them the tester would have to release the clip to do this. Never had an issue but never known a tester to do this, looks like the seals are overlooked

wobbly · wobbly

I'v never had alocking fuel cap but had this delivered today, works well and decent quality. Ebay job. -- Edited by wobbly on Monday 29th of November 2021 05:38:57 PM

wobbly · wobbly

I mainly use the TTR during winter but through the rest of the year I do the maintenance and take it on short rides to keep everything moving. But yesterday I switched the ignition on and everything acted like a flat battery ie dull lights engine would barely turn. Took the battery off and tested, all fin...

leigh · leigh

Hey peeps Finally had time for a proper ride. I've been moving house for the last month or so. So I got Teknik in NSW Australia to sort the suspension on my TTR. They set everything up on their shock dyno to get the results they want. I guess this will be a bit subjective. However...... Went riding at Buc...

New member with a few questions… · TTRollin

Hi all!!! I’ve recently brought a TTR250 and i think its fair to say i love it!!! I don’t have any experience with doing my own servicing and maintenance and have a few questions if any of you can help? I have found a lot of things I was looking for in this forum and I must say it’s made me love my purchase of t...

Christos · Christos

I recently changed the engine gaskets on my 350. When I pull the clutch upshifting or downshifting and pulling the throttle again there is hesitation and once the engine died. I suspect some kind of crack at the carb inlet, oil breather. Any other place I should look? I believe air is getting in there wh...

skinut · skinut

Hi, i have just rebuilt my front and rear suspension with the help of Brian's excellent guides, refilling with Motul 5W oil on the fronts and TQF transmission for the rear shock. When checking the damping adjustment on the fronts, the valves at the bottom of the leg seem to have no effect on what is suppo...

paul a · paul a

Hi Guys,has anyone come across this problem,left my 94 Raid idling for 10 mins,coughed and backfired a bit,idle all over the place,then noticed smoke coming from under the side panel. Took the side panel off which was very hot,only to see the battery tray melting onto exhaust and battery beginning t...

leigh · leigh

Hey peeps So, a few years ago my TTR started leaking from the base gasket. I stripped the motor and replaced it, it started leaking again after around 4000klms or so. When pulling the original gasket off you could see it had a split or maybe had been pinched on install. I wasn't that happy with the prep I d...

Tommy Young · Tommy Young

Good evening, Looking for a bit of advice. After a ride I noticed a patch of oil on the exhaust side that had been seeping out. Checked the oil and all is fine there so its not losing a lot. Looks to me that the base gasket has gone. Dry side just showing its not all the way round. New base and head gasket set f...

R Hocking · R Hocking

Hello all, A general question, how far dose the throttle slide have to move before contacting the accelerator pump lever arm. My slide is aprox 12mm open before reaching the arm which seems a bit much and defeats the object of a pump. Should I adjust the arm a little to make it open quicker. Cheers Bert.

TerryK · TerryK

Had a couple of hours spare so removed the muffler & engine pipe from the TTR, cleaned it up & gave it a polish. Was unsure if the gold colour would come back but after a short run it started to turn gold, looks heaps better, now if only the WRR pipe looked that good. I know there is no performance gai...

Christos · Christos

Hi guys, During a trail ride I found the thin tube in the photo snapped where the arrow points. Anyone knows what it does and where it goes?

TTR in greece · TTR in greece

Sprayed with penetrating fluid tried ring spanner and hammer, tried knocking it round with cold chisel, not budging so far. Scared to end up with a much bigger problem.... Thanks in advance of any help. Cheers John

Smedders · Smedders

Hi folks. Does anyone know if this rubber insert is a standard part of the Raid chain guard? I'm guessing the 52t rear sprocket is the cause of the wear, but unsure if it's a sacrificial part. Cheers -- Edited by Smedders on Wednesday 15th of September 2021 01:58:38 PM

Spyrious · Spyrious

Hello. Recently my ttr250 burned the stator (probably the original). I bought an aftermarket one and installed it. The bike charges ok now but,it runs bad,misfires,bogs and when i release the throttle it bangs loud from the exhaust and spits fire. I re-installed the original to se and the bike runs o...

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...

Topic		Started By	Replies	Views	Last Post
	Hello everyone (Preview) Hello could you please help me with something i am finding difficult to find on google. even cmsln.com wont tell me the dimensions of the screws that hold down the front brack fluid res. 2 little flat head screws and i just need to know the sizes if anyone know would they kindly share it xD . also what oil do...	WiresharkTTR	15	1040	Jan 12, 2022 by WiresharkTTR
	Speedometer troubles. (Preview) Before I go pulling the dash cluster apart to diagnose the issue. I thought I would ask to see if anyone else has had troubles with there Speedo dash and if there was a simple solutions. It’s a blue 99 model with the analog speedo. Cable and speedo drive are both new. I’v spun the cable from the speedo drive...	rooney	0	599	Dec 21, 2021 by rooney
	headlight (Preview) I am trying to find a Headlight lens for a 2006 blue TTR 250 The one on the bike was broken and unable to read the number can any one tell me the number on it. i have an old one that was in a light surround that i brought, it has the number 50R-0045965 I see that the German website below has this one, is it correct...	Don	11	1254	Dec 3, 2021 by ttr steve
	Raid clutch replacement (Preview) Got my 94 raid on the boat road after it’s been sitting for a few years but getting a bit of clutch slip, can get replacement pattern clutch plates for £20 or ebc heavy duty with updated springs for £45, is it worth the extra?	basher	0	583	Dec 2, 2021 by basher
	MOT question (Preview) A mot question, was wondering if anyone had come across. Fork seals are generally covered by rubber gaitors and hidden, to inspect them the tester would have to release the clip to do this. Never had an issue but never known a tester to do this, looks like the seals are overlooked	wobbly	6	677	Nov 30, 2021 by olarf
	Fuel cap (Preview) I'v never had alocking fuel cap but had this delivered today, works well and decent quality. Ebay job. -- Edited by wobbly on Monday 29th of November 2021 05:38:57 PM	wobbly	0	537	Nov 29, 2021 by wobbly
	No power to ignition (Preview) I mainly use the TTR during winter but through the rest of the year I do the maintenance and take it on short rides to keep everything moving. But yesterday I switched the ignition on and everything acted like a flat battery ie dull lights engine would barely turn. Took the battery off and tested, all fin...	wobbly	6	2450	Nov 23, 2021 by mossproof
	Teknik suspension upgrade on my TTR (Preview) Hey peeps Finally had time for a proper ride. I've been moving house for the last month or so. So I got Teknik in NSW Australia to sort the suspension on my TTR. They set everything up on their shock dyno to get the results they want. I guess this will be a bit subjective. However...... Went riding at Buc...	leigh	10	2086	Nov 10, 2021 by Kaos
	New member with a few questions… (Preview) Hi all!!! I’ve recently brought a TTR250 and i think its fair to say i love it!!! I don’t have any experience with doing my own servicing and maintenance and have a few questions if any of you can help? I have found a lot of things I was looking for in this forum and I must say it’s made me love my purchase of t...	TTRollin	8	904	Oct 31, 2021 by mossproof
	Problem when pulling clutch (Preview) I recently changed the engine gaskets on my 350. When I pull the clutch upshifting or downshifting and pulling the throttle again there is hesitation and once the engine died. I suspect some kind of crack at the carb inlet, oil breather. Any other place I should look? I believe air is getting in there wh...	Christos	6	630	Oct 29, 2021 by Christos
	Suspension damper valve adjustment (Preview) Hi, i have just rebuilt my front and rear suspension with the help of Brian's excellent guides, refilling with Motul 5W oil on the fronts and TQF transmission for the rear shock. When checking the damping adjustment on the fronts, the valves at the bottom of the leg seem to have no effect on what is suppo...	skinut	1	665	Oct 27, 2021 by TTRfan
	Battery tray melted! (Preview) Hi Guys,has anyone come across this problem,left my 94 Raid idling for 10 mins,coughed and backfired a bit,idle all over the place,then noticed smoke coming from under the side panel. Took the side panel off which was very hot,only to see the battery tray melting onto exhaust and battery beginning t...	paul a	6	787	Oct 27, 2021 by paul a
	Base Gasket issues ( 1 2 ) (Preview) Hey peeps So, a few years ago my TTR started leaking from the base gasket. I stripped the motor and replaced it, it started leaking again after around 4000klms or so. When pulling the original gasket off you could see it had a split or maybe had been pinched on install. I wasn't that happy with the prep I d...	leigh	63	11787	Oct 26, 2021 by leigh
	Leaking base gasket? (Preview) Good evening, Looking for a bit of advice. After a ride I noticed a patch of oil on the exhaust side that had been seeping out. Checked the oil and all is fine there so its not losing a lot. Looks to me that the base gasket has gone. Dry side just showing its not all the way round. New base and head gasket set f...	Tommy Young	3	647	Oct 18, 2021 by Tommy Young
	Accelerator pump arm. (Preview) Hello all, A general question, how far dose the throttle slide have to move before contacting the accelerator pump lever arm. My slide is aprox 12mm open before reaching the arm which seems a bit much and defeats the object of a pump. Should I adjust the arm a little to make it open quicker. Cheers Bert.	R Hocking	2	633	Oct 16, 2021 by R Hocking
	Cleaned up my exhaust (Preview) Had a couple of hours spare so removed the muffler & engine pipe from the TTR, cleaned it up & gave it a polish. Was unsure if the gold colour would come back but after a short run it started to turn gold, looks heaps better, now if only the WRR pipe looked that good. I know there is no performance gai...	TerryK	6	727	Oct 1, 2021 by TerryK
	Tube snapped (Preview) Hi guys, During a trail ride I found the thin tube in the photo snapped where the arrow points. Anyone knows what it does and where it goes?	Christos	2	647	Sep 29, 2021 by Christos
	Seized sump plug any advice please..... (Preview) Sprayed with penetrating fluid tried ring spanner and hammer, tried knocking it round with cold chisel, not budging so far. Scared to end up with a much bigger problem.... Thanks in advance of any help. Cheers John	TTR in greece	3	601	Sep 28, 2021 by Rossyboys
	Ttr250raid chain guard (Preview) Hi folks. Does anyone know if this rubber insert is a standard part of the Raid chain guard? I'm guessing the 52t rear sprocket is the cause of the wear, but unsure if it's a sacrificial part. Cheers -- Edited by Smedders on Wednesday 15th of September 2021 01:58:38 PM	Smedders	5	662	Sep 23, 2021 by Smedders
	Stator replacement gone wrong,but why? stator misfire (Preview) Hello. Recently my ttr250 burned the stator (probably the original). I bought an aftermarket one and installed it. The bike charges ok now but,it runs bad,misfires,bogs and when i release the throttle it bangs loud from the exhaust and spits fire. I re-installed the original to se and the bike runs o...	Spyrious	9	789	Sep 4, 2021 by mossproof
	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	684	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	858	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	1762	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	645	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	930	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	709	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	595	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	1805	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	1001	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	802	May 24, 2021 by obelix
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