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

TTRfan · TTRfan

Hopefully this will help someone. Print off a copy to have when doing the job. This is the Motion Pro torque wrench adapter I use:

Shorty117 · Shorty117

Front 90/90-21 Rear 120/80-18 Back on the road a lot more with the warmer Australian weather. Michelin AC10s have come off. Done over 3000kms mixed riding and had enough life in them but had a flat spot on the front. Was nearly going to get another set but decided to try out Pirelli MT90 tyres for a more ad...

JohanW · JohanW

despite my bike only have 3500km without any high jumps etc. I had this experience yesterday. Are there any one else with the same experience? Ok, granted I way 93kg but seriously

Teddydrewsky · Teddydrewsky

I got a 2003 ttr 250 a few months back and have loved every minute of the thing. It's also my first dirtbike. But anyway the other day I rode it to the gas station to fill it up and on my way back the nut for the front sprcket fell off. I managed to slide the sprocket back on and babied it home. I got my new nut and a n...

TTRfan · TTRfan

Just going through and refurbishing some front calipers and came across this one. I am trying to fathom out why the fingers were ground back coz it is now just scrap

Wobbles · Wobbles

Can anyone please confirm whether there are any issues ie clearance with the fork boots with the above tyre size (it is a Dunlop Geomax AT81). Apparently the 80/100-21 is not overly common and there is some doubt that it is actually narrower when mounted.

Niver · Niver

Hi, I am from Colombia. greetings to all. I have a blue 2001 model TTR and Colombia is difficult to find spare parts for my bike , I HAVE Boot problems Bendix and piston are damaged. Other bike parts that I can How to use ? thanks for your help and important tips -- Edited by Niver on Wednesday 7th of Septemb...

JohanW · JohanW

Hi! Just bought me a 2002 TT-R 250. One of the two pice clutch holder (the one with mirror mount) are broken. What fits and where can I get it? Any ideas?

TTRHead · TTRHead

Mini project. Just bought a cheapy TTR which is in a bit of a bad way....Found a decent colour match for the engine so giving it a bash....Why not....I cant understand why people don't look after there bikes!!! going to clean exhaust and replace all the engine bolts -- Edited by TTRHead on Frida...

Ammity · Ammity

Hey lads, As the title suggests my bike wont hold a charge for the life of it. It'll charge a tiny bit after a long ride and maybe charge it enough to start it once but that's it. goes dead flat. I've taken it to the mechanic and they say there's nothing wrong with the stator and what not and the volt meter is re...

leigh · leigh

When I drowned my bike a while back I wondered how larger (not that large) bits of organic matter got in the motor as they wouldn't have fitted through the air filter and the filter was almost 100% clean on the inside despite having a layer of mud about 10mm thick on the outside. The exhaust didn't go under...

Vlad · Vlad

Hi everyone. I am new to this forum and did try to find related information, but unfortunately could not find anything. If there is an answer, i apologise for the same topic. I bought a yamaha ttr 250 in a quite good condition 1 year ago. Have always changed the oil every 700-1000 kilmeters. However, la...

JOHNYBOY · JOHNYBOY

i have stripped a cylinder head to do valves stem seals & shim up how do i know i have the inlet cam in its right place in the head & ex cam how do i identify them i dont know if someone has had them out & just popped em back anywhere i shall overall the head & put cams back in then shim up on the ben...

MikeBarnacle · MikeBarnacle

I think I've seen someone with a similar issue with this location before but im struggling to locate where. basicaly I've got an oil leak and wondering if there's a fix. I have a slight issue in alt hat the bolt I believe it's from seems to have a thread stripped by the previous owner, any thoughts guys? ...

BM Steve · BM Steve

Can I get some feedback from anyone that has fitted All Balls kits, wheel, steering, suspension or anything else I've seen some negative reports about All Balls Thanks ..

TTRfan · TTRfan

JOHNYBOY · JOHNYBOY

am i right in thinking the cyl head & barrell can be removed with engine in bike because i need to do my stem seals bike is running fine leave on side stand for a couple of hours when hot on restart it smokes on set off while it clears

davecambo · davecambo

I have been reading a lot of threads on the internet about TTR owners who removed the snorkel from the air box and installed twin air filters. I also read in new models such as my 2011 model you dont need to rejet carbs with exhaust upgrade. So, question is, will the bike run with more power if i remove the sn...

Dutch · Dutch

I just picked-up a 1999 TTR-250, put a new rear tire on the back and when I was tightening my rear axle, the snail-shaped chain adjuster on the castle nut side starts to slip when I get close to the torque spec. I'm thinking either the notches are worn down too much on the adjuster or there the washer that g...

petenz · petenz

what dia shims dose the TTR use... also what size range is the most commonly used... ..

Coast rider · Coast rider

Hi folks can anyone recommend an after market headlight for my 04 blue TTR preferably one that can take a knock or two so it doesn't break next time I decide to topple into a dry stone wall.

vinnie · vinnie

Had a go at mine with Optiglanz. Great stuff but a bit virulent, so I wrap the nearby engine parts and frame in cling film first. I don't spray it but pour some in to an old glass and paint it on with a cheap paint brush. Leave for a few minutes then wipe off; actually once you've got rid of most of it give it a go...

ttr steve · ttr steve

http://www.ebay.co.uk/itm/NEW-YAMAHA-MOTORCYCLE-PURPLE-FRAME-PAINT-TTR250-TTR-250-AEROSOL-SPRAY-CAN-TIN-TT-/351729093703?hash=item51e4b0...

dj9ten · dj9ten

Anyone know why my ignition button wires are gettin hot when I press the button .....killswitch Is workin fine and the lights are on....I've tried goin directly from the battery to the blue wires that connect the grey button and when I touch one of the wires(blue/white) it gets hot...when I touch the b...

94Garry · 94Garry

Fitted the bash guard i ordered from the shop, had to remove the rear brake pedal to access the engine bolt. It came out ok, but when putting it back in, it sheared, whats the best way to fix? Im thinking of drilling what is left out and the threads, then filling it with weld and re-tapping to the proper s...

JOHNYBOY · JOHNYBOY

what is the 3 connector unit under tank seat is it a diode from ac to dc

TTRfan · TTRfan

It's always difficult drilling holes for the number plate screws in thin plastic flexi plates. I tried a different approach this morning using a 6mm hollow punch and it worked a treat. I didn't take photos as I did it as I was too keen to see how effective it was! However, here is an "after" photo with jus...

suzbandit987 · suzbandit987

Would someone be so kind as to put up a digital picture of these arrows and alignment marks? I must be blind because I do not see any arrows or alignment marks. Also how thick are the friction plates supposed to be? What about the steel plates? My steel plates are visibly worn and one (perimeter) edge...

Sprok · Sprok

When lugging at low RPM I'm getting a weird backfire and motor stall that sounds like it's coming out of the header. Is this normal or maybe timing chain or something? The carb is freshly rebuilt and otherwise runs great when not idling. Stock everything (US 1999 model). Unknown time on the motor. It w...

il_maniaco · il_maniaco

Hi there, anybody knows the number of part of the cylinder gasket, and the cylinder head gasket in the Open Enduro models? is the same that the y2k models? I have an Open Enduro TTr, but I don't know the year, it doesn't have the VIN number, and the chassis is 4GY-085589, maybe '97- '98 or '99, i´m not shu...

Topic		Started By	Replies	Views	Last Post
	Cylinder head - torque sequence and settings diagram (Preview) Hopefully this will help someone. Print off a copy to have when doing the job. This is the Motion Pro torque wrench adapter I use:	TTRfan	0	3447	Sep 21, 2016 by TTRfan
	Pirelli MT90 All Terrain Tyre (Preview) Front 90/90-21 Rear 120/80-18 Back on the road a lot more with the warmer Australian weather. Michelin AC10s have come off. Done over 3000kms mixed riding and had enough life in them but had a flat spot on the front. Was nearly going to get another set but decided to try out Pirelli MT90 tyres for a more ad...	Shorty117	7	763	Sep 20, 2016 by Shorty117
	Rear "shock" experience (Preview) despite my bike only have 3500km without any high jumps etc. I had this experience yesterday. Are there any one else with the same experience? Ok, granted I way 93kg but seriously	JohanW	11	1261	Sep 18, 2016 by JohanW
	Front sprocket nut (Preview) I got a 2003 ttr 250 a few months back and have loved every minute of the thing. It's also my first dirtbike. But anyway the other day I rode it to the gas station to fill it up and on my way back the nut for the front sprcket fell off. I managed to slide the sprocket back on and babied it home. I got my new nut and a n...	Teddydrewsky	2	982	Sep 16, 2016 by Teddydrewsky
	Fingers ground back on front caliper (Preview) Just going through and refurbishing some front calipers and came across this one. I am trying to fathom out why the fingers were ground back coz it is now just scrap	TTRfan	3	574	Sep 12, 2016 by TTRfan
	90/90-21 front tyre (Knobby) (Preview) Can anyone please confirm whether there are any issues ie clearance with the fork boots with the above tyre size (it is a Dunlop Geomax AT81). Apparently the 80/100-21 is not overly common and there is some doubt that it is actually narrower when mounted.	Wobbles	4	706	Sep 7, 2016 by Wobbles
	Starter one-way d' Assy 4GY - 15590-00-00 (Preview) Hi, I am from Colombia. greetings to all. I have a blue 2001 model TTR and Colombia is difficult to find spare parts for my bike , I HAVE Boot problems Bendix and piston are damaged. Other bike parts that I can How to use ? thanks for your help and important tips -- Edited by Niver on Wednesday 7th of Septemb...	Niver	2	723	Sep 7, 2016 by ttr steve
	Clutch lever "Holder" (Preview) Hi! Just bought me a 2002 TT-R 250. One of the two pice clutch holder (the one with mirror mount) are broken. What fits and where can I get it? Any ideas?	JohanW	7	931	Sep 6, 2016 by JohanW
	Doing up TTR ( 1 2 ) (Preview) Mini project. Just bought a cheapy TTR which is in a bit of a bad way....Found a decent colour match for the engine so giving it a bash....Why not....I cant understand why people don't look after there bikes!!! going to clean exhaust and replace all the engine bolts -- Edited by TTRHead on Frida...	TTRHead	59	2658	Sep 4, 2016 by petenz
	2000 TTR 250 not charging (Preview) Hey lads, As the title suggests my bike wont hold a charge for the life of it. It'll charge a tiny bit after a long ride and maybe charge it enough to start it once but that's it. goes dead flat. I've taken it to the mechanic and they say there's nothing wrong with the stator and what not and the volt meter is re...	Ammity	1	1316	Sep 1, 2016 by ttr steve
	Re-routing Crankcase breather hose (Preview) When I drowned my bike a while back I wondered how larger (not that large) bits of organic matter got in the motor as they wouldn't have fitted through the air filter and the filter was almost 100% clean on the inside despite having a layer of mud about 10mm thick on the outside. The exhaust didn't go under...	leigh	4	942	Aug 31, 2016 by leigh
	Strange clatter from gearbox on 4,5 gears (Preview) Hi everyone. I am new to this forum and did try to find related information, but unfortunately could not find anything. If there is an answer, i apologise for the same topic. I bought a yamaha ttr 250 in a quite good condition 1 year ago. Have always changed the oil every 700-1000 kilmeters. However, la...	Vlad	6	786	Aug 30, 2016 by Vlad
	camshafts (Preview) i have stripped a cylinder head to do valves stem seals & shim up how do i know i have the inlet cam in its right place in the head & ex cam how do i identify them i dont know if someone has had them out & just popped em back anywhere i shall overall the head & put cams back in then shim up on the ben...	JOHNYBOY	10	700	Aug 29, 2016 by ttr steve
	Sorry more oil leak posts! (Preview) I think I've seen someone with a similar issue with this location before but im struggling to locate where. basicaly I've got an oil leak and wondering if there's a fix. I have a slight issue in alt hat the bolt I believe it's from seems to have a thread stripped by the previous owner, any thoughts guys? ...	MikeBarnacle	22	1343	Aug 29, 2016 by ttr steve
	All Balls Bearing Kits (Preview) Can I get some feedback from anyone that has fitted All Balls kits, wheel, steering, suspension or anything else I've seen some negative reports about All Balls Thanks ..	BM Steve	7	987	Aug 25, 2016 by ttr steve
	how to bore and hone motorcycle cylinders to oversize and fit pistons (Preview)	TTRfan	11	1196	Aug 24, 2016 by ttr steve
	cylinder head removal (Preview) am i right in thinking the cyl head & barrell can be removed with engine in bike because i need to do my stem seals bike is running fine leave on side stand for a couple of hours when hot on restart it smokes on set off while it clears	JOHNYBOY	8	1253	Aug 22, 2016 by JOHNYBOY
	snorkel, air filter options (Preview) I have been reading a lot of threads on the internet about TTR owners who removed the snorkel from the air box and installed twin air filters. I also read in new models such as my 2011 model you dont need to rejet carbs with exhaust upgrade. So, question is, will the bike run with more power if i remove the sn...	davecambo	15	2906	Aug 17, 2016 by Clutha
	Snail Chain Adjuster Slipping (Preview) I just picked-up a 1999 TTR-250, put a new rear tire on the back and when I was tightening my rear axle, the snail-shaped chain adjuster on the castle nut side starts to slip when I get close to the torque spec. I'm thinking either the notches are worn down too much on the adjuster or there the washer that g...	Dutch	4	859	Aug 17, 2016 by Dutch
	Tappet shims (Preview) what dia shims dose the TTR use... also what size range is the most commonly used... ..	petenz	4	647	Aug 8, 2016 by ttr steve
	Replacement headlight for my bluie (Preview) Hi folks can anyone recommend an after market headlight for my 04 blue TTR preferably one that can take a knock or two so it doesn't break next time I decide to topple into a dry stone wall.	Coast rider	6	798	Jul 31, 2016 by comeragh
	Cleaning s/s exhaust header (Preview) Had a go at mine with Optiglanz. Great stuff but a bit virulent, so I wrap the nearby engine parts and frame in cling film first. I don't spray it but pour some in to an old glass and paint it on with a cheap paint brush. Leave for a few minutes then wipe off; actually once you've got rid of most of it give it a go...	vinnie	1	819	Jul 31, 2016 by Cubber
	OE Spray paint (Preview) http://www.ebay.co.uk/itm/NEW-YAMAHA-MOTORCYCLE-PURPLE-FRAME-PAINT-TTR250-TTR-250-AEROSOL-SPRAY-CAN-TIN-TT-/351729093703?hash=item51e4b0...	ttr steve	4	1178	Jul 31, 2016 by vinnie
	Ignition button wires gettin hot?? (Preview) Anyone know why my ignition button wires are gettin hot when I press the button .....killswitch Is workin fine and the lights are on....I've tried goin directly from the battery to the blue wires that connect the grey button and when I touch one of the wires(blue/white) it gets hot...when I touch the b...	dj9ten	20	1045	Jul 31, 2016 by TTRfan
	rear brake pivot bolt sheared. (Preview) Fitted the bash guard i ordered from the shop, had to remove the rear brake pedal to access the engine bolt. It came out ok, but when putting it back in, it sheared, whats the best way to fix? Im thinking of drilling what is left out and the threads, then filling it with weld and re-tapping to the proper s...	94Garry	5	937	Jul 30, 2016 by 94Garry
	3 prong unit (Preview) what is the 3 connector unit under tank seat is it a diode from ac to dc	JOHNYBOY	2	613	Jul 21, 2016 by TTRfan
	Making number plate bolt holes in flexi plates (Preview) It's always difficult drilling holes for the number plate screws in thin plastic flexi plates. I tried a different approach this morning using a 6mm hollow punch and it worked a treat. I didn't take photos as I did it as I was too keen to see how effective it was! However, here is an "after" photo with jus...	TTRfan	4	658	Jul 21, 2016 by BM Steve
	Clutch Lever Alignment and Plate Thickness (Preview) Would someone be so kind as to put up a digital picture of these arrows and alignment marks? I must be blind because I do not see any arrows or alignment marks. Also how thick are the friction plates supposed to be? What about the steel plates? My steel plates are visibly worn and one (perimeter) edge...	suzbandit987	3	948	Jul 19, 2016 by suzbandit987
	Need help diagnosing backfire at the header that stalls the motor (Preview) When lugging at low RPM I'm getting a weird backfire and motor stall that sounds like it's coming out of the header. Is this normal or maybe timing chain or something? The carb is freshly rebuilt and otherwise runs great when not idling. Stock everything (US 1999 model). Unknown time on the motor. It w...	Sprok	9	1152	Jul 18, 2016 by TTRfan
	Gasket number of part? (Preview) Hi there, anybody knows the number of part of the cylinder gasket, and the cylinder head gasket in the Open Enduro models? is the same that the y2k models? I have an Open Enduro TTr, but I don't know the year, it doesn't have the VIN number, and the chassis is 4GY-085589, maybe '97- '98 or '99, i´m not shu...	il_maniaco	3	670	Jul 18, 2016 by TTRfan
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