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

little_wing · little_wing

hey all, so I had a seized front brake on my 2006 TTR250 both of the caliper pistons are way to gone to save. so I need new set. I have already ordered new seals but I still need the pistons. the allballs kit does not come with pistons. does any brand of aftermarket sell them. Yamaha wants 90 Canadian for the...

Christof · Christof

I have a problem with a TTR 250. Engine jumps well with choke and runs idle without choke very well. When driving comes no power and the engine jerks. Feels too little gasoline, or misfiring. Who can help me with tips? I would like to sell the TTR, but only if it drives well. Many Thanks ! Chris

Dr_B · Dr_B

On my last ride I noticed when I shifted from first to second my clutch handle would stay held in. 100% sure I'm clicking all the way up to second Clutch cable operates just fine so I think its internal Any ideas? should I be concerned? Thanks

honda15i · honda15i

I bought carb on ebay and was cleaning it. While cleaning I noticed there is a hole see pictures. Should it be like this or is it missing some part? I hope not :)

TerryK · TerryK

Had the day off today for a ride but with a high of 42c the ride was called off ( was 44c on the dash of my car) Washed & polished the Thruxton for the All British display on the weekend Removed the rear wheel on the WRR & fitted a new tyre Fitted a USB charging port on the TTR And fitted a pair of rear shoc...

Markvan · Markvan

Blue model 35,000km with little dirt work but i do get up it through the gears on the road at times. oil changed every 1,500-2,000 kms , although i dont know the first 10,000 km history of the bike. Will try and explain the noise. Bike starts from cold and runs great with a 5min warm up at idle(no noises). As...

danpass15 · danpass15

Looks like I need a sprag clutch, idle gear and started motor :( Any one got any of these parts and willing to sell, I have read it is best to buy a brand new sprag clutch.

Ammity · Ammity

I need to replace the gasket on the right-hand side of the engine case because it leaks oil. Do I need anything to stick the gasket down or do I just throw it on and put the case on?

JOHNYBOY · JOHNYBOY

just reconning a cyl head for my oe had the seats recut lapped valves in tested with mechanics blue to get stem seals & shim up wish i could put photos on but i struggle they ought to be an easier way to do this for us old members come on brian while your bored eating pasties have a look

TTRfan · TTRfan

I was just stripping out a cylinder head tonight and found a couple of very odd "things" under an exhaust valve - see photos below. I thought first off they were shells but I crushed them and the walls were thick and crumbly - almost like rotten wood. Any ideas what they are or were? Brian

raz1966 · raz1966

i got no key for my steering lock, any idea where i can get one from? is there a number stamped somewhere?

Tarbone · Tarbone

Good morning everyone! I have a 2000 Yamaha ttr250 that I recently acquired from someone that knew nothing about proper maintenance of anything mechanical I noticed the rear shock is very soft on my bike even with the remote damper dialed all the way up to the stiffest settings. I also noticed lots...

TTRfan · TTRfan

Every now and again I get a "First time I have seen that!" moment and that happened recently when I was replacing a weepy cylinder base gasket on a friend's engine. Having removed the cylinder bolts and started to move the cylinder some emulsified oil (with water droplets in it) dribbled out! Blow me d...

Lichi · Lichi

Hi guys, Im new to the forum so greetings for everybody. Im from Argentina staying/living in Thailand now. Here is my story: In my country I own a 1999 CBR 600 F x and I love motorbikes. This is not my first time to Thailand so some years ago I started building a relationship with a thai mechanic. I now consi...

Ammity · Ammity

[video=https://www.youtube.com/watch?v=PX_weThYIRg&feature=y...

devon_rich · devon_rich

Due for a new rear disc, the shop lists 3 different ones. Apart from bling levels is there any difference in them?

BM Steve · BM Steve

I just purchased one of these today, so should arrive a 2-3 weeks from the US I don't have enough strength in my wrists to fit a D606 rear tyre, I can do the front, but the back, just can't manage it. I can get them off OK, just not the reverse. After seeing this thing I was sold. [video=https://youtu.be/8WR...

honda15i · honda15i

Does anybody know what is the size of bearing 93317-32034 or 93315-32053? Seems like these two bearings are the samehttp://www.firstclassmotorcycles.com.au/partFinder/fiche/yamaha/1994/tt250r-ttr250/rear-arm

mossproof · mossproof

Here's an odd one to ponder: I have a Koso digital speedo on one of my ttrs. Battery memory/backup, but powered by the old ignition switched live feed that went to the original speedo (Open Enduro - digital) The way it works is when you turn on the ignition, it powers up the backlight and display. Also pow...

tracker · tracker

The TTR wouldn't start,a clicking sound was coming from the starter relay.I removed and cleaned the terminals but still the same,so off to dealer who wanted over £45 for genuine Yamaha part.So to the breakers i thought,while drooling over the new bikes in the showroom i told them about the relay,i so...

TimAus · TimAus

Hi all, I have pulled the carb out recently on a 2007 TTR250. I have seen a couple of pictures where people have said there is 2 O'Rings under the cover of where the diaphragm and needle are. Is this true for my model? As when I pulled it apart, none fell out. Perhaps they have perished completely? Tim

JVOHV · JVOHV

Does anyone know if applying plasti dip to a cracked carb diaphragm will work to seal pressure? I will eventually replace, but I just spent $75 on carb rebuild parts and don't want to spend another $35 just yet. I assume it would be best to apply to underside of diaphragm due to the suction. Does gas c...

dlee22 · dlee22

Hi There, At the moment the TTR shops supply of valve stem seals are out of stock, does anyone have any other recommendations of where I can get some? - I'd like to rebuild the bike over Christmas break so need them as soon as possible. Thanks Dan

Hp · Hp

Hi all first question after my new purchase 1993 open endure I asked for a fresh MOT on the bike and got the report back that the rear swing arm and rear wheel bearings are shot I have had a look and can only get 2000 plus model rear wheel bearings on next day delivery from wemoto. Are the rear wheels the same o...

dlee22 · dlee22

Hi there, I've got a ttr thats burning oil and got the piston off and would like bit of confirmation of the size. I assume as there is no plus 1mm marker im safe to assume that its standard size. Any advice would be appreciated and if anyone could recommend parts that might be worth replacing whilst in the...

RodYorkttr · RodYorkttr

Please can anyone tell me what this is and where it goes on a TTR...I have no idea!

balin01 · balin01

Hi guys, I am not very happy because I hardly can find anything on the internet for my 1995 Open Enduro. I hope I won't regret buying this old bike. There are parts for later models (1999 upwards) but nothing for old TTRs. My question is are the fork gaiters the same on '99-08 models as on my 1995's? Could I...

mypobox · mypobox

[video=http://youtu.be/iNECB6V4Pd8?list=UUR8ww-Yw96_sxAqhsAknSlg]

locky · locky

http://www.oponeo.co.uk/moto-tyre-details/michelin-enduro-comp-iv-90-90-21-54-r-front-tt/?origin=prodlisting&gclid=CjwKEAiA74qkBRCdrM-6or7U73QSJABCDL9pY8kT1D4wa_4oUvwL-A7sf8JmPXRoSAnFGPbtpAq1JBoC9EHw_wcB

mossproof · mossproof

Every ad I see for a TTR oil pump includes a little semicircular tin guard. Every engine I have opened up has had no such guard fitted Is someone taking them off before I get in there or were they not always fitted? This is my experience on both pre and post Y2K engines. Not sure of the purpose exactly - can an...

Topic		Started By	Replies	Views	Last Post
	2006 TTR250 front brake caliper pistons (Preview) hey all, so I had a seized front brake on my 2006 TTR250 both of the caliper pistons are way to gone to save. so I need new set. I have already ordered new seals but I still need the pistons. the allballs kit does not come with pistons. does any brand of aftermarket sell them. Yamaha wants 90 Canadian for the...	little_wing	3	716	Feb 16, 2017 by ttr steve
	Problems with TTR 250 no Power ;-( ! (Preview) I have a problem with a TTR 250. Engine jumps well with choke and runs idle without choke very well. When driving comes no power and the engine jerks. Feels too little gasoline, or misfiring. Who can help me with tips? I would like to sell the TTR, but only if it drives well. Many Thanks ! Chris	Christof	11	1809	Feb 16, 2017 by mossproof
	Clutch staying held in (Preview) On my last ride I noticed when I shifted from first to second my clutch handle would stay held in. 100% sure I'm clicking all the way up to second Clutch cable operates just fine so I think its internal Any ideas? should I be concerned? Thanks	Dr_B	4	837	Feb 15, 2017 by Dr_B
	hole in carb (Preview) I bought carb on ebay and was cleaning it. While cleaning I noticed there is a hole see pictures. Should it be like this or is it missing some part? I hope not :)	honda15i	4	726	Feb 14, 2017 by ttboof
	too bloody hot to ride (Preview) Had the day off today for a ride but with a high of 42c the ride was called off ( was 44c on the dash of my car) Washed & polished the Thruxton for the All British display on the weekend Removed the rear wheel on the WRR & fitted a new tyre Fitted a USB charging port on the TTR And fitted a pair of rear shoc...	TerryK	10	1062	Feb 12, 2017 by ttr steve
	Noise from the head at times. (Preview) Blue model 35,000km with little dirt work but i do get up it through the gears on the road at times. oil changed every 1,500-2,000 kms , although i dont know the first 10,000 km history of the bike. Will try and explain the noise. Bike starts from cold and runs great with a 5min warm up at idle(no noises). As...	Markvan	19	1989	Feb 10, 2017 by BM Steve
	Inspected the horrendous noise my bike was making when using electric start (Preview) Looks like I need a sprag clutch, idle gear and started motor :( Any one got any of these parts and willing to sell, I have read it is best to buy a brand new sprag clutch.	danpass15	12	1147	Feb 7, 2017 by danpass15
	Probably a silly question about gasket replacing (Preview) I need to replace the gasket on the right-hand side of the engine case because it leaks oil. Do I need anything to stick the gasket down or do I just throw it on and put the case on?	Ammity	6	831	Feb 6, 2017 by ttr steve
	valves (Preview) just reconning a cyl head for my oe had the seats recut lapped valves in tested with mechanics blue to get stem seals & shim up wish i could put photos on but i struggle they ought to be an easier way to do this for us old members come on brian while your bored eating pasties have a look	JOHNYBOY	14	1095	Feb 5, 2017 by JOHNYBOY
	Peculiar goings on in an exhaust port! (Preview) I was just stripping out a cylinder head tonight and found a couple of very odd "things" under an exhaust valve - see photos below. I thought first off they were shells but I crushed them and the walls were thick and crumbly - almost like rotten wood. Any ideas what they are or were? Brian	TTRfan	7	954	Feb 3, 2017 by Tarbone
	steering lock (Preview) i got no key for my steering lock, any idea where i can get one from? is there a number stamped somewhere?	raz1966	10	2548	Jan 31, 2017 by cassar412
	Rear shock rebuild services in the USA?? (Preview) Good morning everyone! I have a 2000 Yamaha ttr250 that I recently acquired from someone that knew nothing about proper maintenance of anything mechanical I noticed the rear shock is very soft on my bike even with the remote damper dialed all the way up to the stiffest settings. I also noticed lots...	Tarbone	9	1856	Jan 27, 2017 by Tarbone
	Oddity found during engine strips - emulsified oil around front left stud (Preview) Every now and again I get a "First time I have seen that!" moment and that happened recently when I was replacing a weepy cylinder base gasket on a friend's engine. Having removed the cylinder bolts and started to move the cylinder some emulsified oil (with water droplets in it) dribbled out! Blow me d...	TTRfan	1	834	Jan 27, 2017 by Moo
	New user greetings from Thailand and help please! (Preview) Hi guys, Im new to the forum so greetings for everybody. Im from Argentina staying/living in Thailand now. Here is my story: In my country I own a 1999 CBR 600 F x and I love motorbikes. This is not my first time to Thailand so some years ago I started building a relationship with a thai mechanic. I now consi...	Lichi	10	902	Jan 24, 2017 by Lichi
	top end tick noise with video (sorry if same topics exist) (Preview) [video=https://www.youtube.com/watch?v=PX_weThYIRg&feature=y...	Ammity	1	644	Jan 24, 2017 by TTRfan
	Rear discs (Preview) Due for a new rear disc, the shop lists 3 different ones. Apart from bling levels is there any difference in them?	devon_rich	9	966	Jan 13, 2017 by devon_rich
	Pocket Sized Tyre fitting Device Baja No Pinch Tube Tyre Fitting rim Lock (Preview) I just purchased one of these today, so should arrive a 2-3 weeks from the US I don't have enough strength in my wrists to fit a D606 rear tyre, I can do the front, but the back, just can't manage it. I can get them off OK, just not the reverse. After seeing this thing I was sold. [video=https://youtu.be/8WR...	BM Steve	10	1363	Jan 11, 2017 by petenz
	Need size of bearing 93317-32034 or 93315-32053 (Preview) Does anybody know what is the size of bearing 93317-32034 or 93315-32053? Seems like these two bearings are the samehttp://www.firstclassmotorcycles.com.au/partFinder/fiche/yamaha/1994/tt250r-ttr250/rear-arm	honda15i	1	708	Jan 2, 2017 by honda15i
	Electrical weirdness! (Preview) Here's an odd one to ponder: I have a Koso digital speedo on one of my ttrs. Battery memory/backup, but powered by the old ignition switched live feed that went to the original speedo (Open Enduro - digital) The way it works is when you turn on the ignition, it powers up the backlight and display. Also pow...	mossproof	6	871	Jan 2, 2017 by mossproof
	STARTER RELAY - aka solenoid (Preview) The TTR wouldn't start,a clicking sound was coming from the starter relay.I removed and cleaned the terminals but still the same,so off to dealer who wanted over £45 for genuine Yamaha part.So to the breakers i thought,while drooling over the new bikes in the showroom i told them about the relay,i so...	tracker	17	14581	Dec 30, 2016 by ttboof
	O'Rings for Carb (Preview) Hi all, I have pulled the carb out recently on a 2007 TTR250. I have seen a couple of pictures where people have said there is 2 O'Rings under the cover of where the diaphragm and needle are. Is this true for my model? As when I pulled it apart, none fell out. Perhaps they have perished completely? Tim	TimAus	1	663	Dec 29, 2016 by mossproof
	Plasti Dip to repair cracks in carb diaphragm (Preview) Does anyone know if applying plasti dip to a cracked carb diaphragm will work to seal pressure? I will eventually replace, but I just spent $75 on carb rebuild parts and don't want to spend another $35 just yet. I assume it would be best to apply to underside of diaphragm due to the suction. Does gas c...	JVOHV	2	1316	Dec 28, 2016 by JVOHV
	Valve Stem Seals (Preview) Hi There, At the moment the TTR shops supply of valve stem seals are out of stock, does anyone have any other recommendations of where I can get some? - I'd like to rebuild the bike over Christmas break so need them as soon as possible. Thanks Dan	dlee22	3	739	Dec 23, 2016 by honda15i
	Rear wheel bearings part numbers (Preview) Hi all first question after my new purchase 1993 open endure I asked for a fresh MOT on the bike and got the report back that the rear swing arm and rear wheel bearings are shot I have had a look and can only get 2000 plus model rear wheel bearings on next day delivery from wemoto. Are the rear wheels the same o...	Hp	36	5689	Dec 22, 2016 by walkaboutboertjie
	Piston ring advice needed (Preview) Hi there, I've got a ttr thats burning oil and got the piston off and would like bit of confirmation of the size. I assume as there is no plus 1mm marker im safe to assume that its standard size. Any advice would be appreciated and if anyone could recommend parts that might be worth replacing whilst in the...	dlee22	10	859	Dec 20, 2016 by TTRfan
	What is this please (Preview) Please can anyone tell me what this is and where it goes on a TTR...I have no idea!	RodYorkttr	8	793	Dec 11, 2016 by TTRfan
	1995 OE fork gaiters (Preview) Hi guys, I am not very happy because I hardly can find anything on the internet for my 1995 Open Enduro. I hope I won't regret buying this old bike. There are parts for later models (1999 upwards) but nothing for old TTRs. My question is are the fork gaiters the same on '99-08 models as on my 1995's? Could I...	balin01	3	736	Dec 7, 2016 by RodYorkttr
	Please help me what to do with this SQUEAK !! (Preview) [video=http://youtu.be/iNECB6V4Pd8?list=UUR8ww-Yw96_sxAqhsAknSlg]	mypobox	14	1785	Dec 1, 2016 by TerryK
	Tyre size ? (Preview) http://www.oponeo.co.uk/moto-tyre-details/michelin-enduro-comp-iv-90-90-21-54-r-front-tt/?origin=prodlisting&gclid=CjwKEAiA74qkBRCdrM-6or7U73QSJABCDL9pY8kT1D4wa_4oUvwL-A7sf8JmPXRoSAnFGPbtpAq1JBoC9EHw_wcB	locky	6	2728	Nov 29, 2016 by TTRHead
	Oil pump cover (Preview) Every ad I see for a TTR oil pump includes a little semicircular tin guard. Every engine I have opened up has had no such guard fitted Is someone taking them off before I get in there or were they not always fitted? This is my experience on both pre and post Y2K engines. Not sure of the purpose exactly - can an...	mossproof	5	739	Nov 27, 2016 by sammyttr
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