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

mockadash · mockadash

Hi m8s .. my Japanese camel brakes, but the handle comes up to the fist. Will it be on the top pump or the bottom pump ?? (sorry my bad english) regards

BM Steve · BM Steve

Couldn't find anything on my problem, I'm sure it's an easy fix but it would be a bit easier if I new where to start. So never having any carby problems I'm a bit lacking on skills in this area the bike starts perfectly but just above idle, I mean as soon as you open the throttle and up to about 10% open there's...

Willythegame · Willythegame

Hey guys I have recently picked up a ttr250 on the cheap and I'm working through its little problems. Biggest one is that it won't start off the motor (grinding). Pretty sure I need a new sprag clutch and I figured a new starter gear as well but looking through the case both the teeth on the motor and the lar...

honda15i · honda15i

Something is worn out in suspension: https://1drv.ms/v/s!Ar9YNbdz-p-sg-0zDVwVuz6eltkYWA I just changed the top bearing. Tomorrow will inspect lower bearings, collars.

ttr250_98 · ttr250_98

Hi there! i have a ttr 250 open enduro I recently purchased a new loom from totallyttrs as my old one when I checked has melted to the wire. The bike still started and rid before I took it off to buy a new one but ever since I've put my new one on I have no activity the light come on the clocks but theres no nutral...

Ammity · Ammity

Hey guys, I've never changed this stuff and it's long overdue. What size is the nut that holds the front sprocket on? I need to buy a socket that'll fit should i use loctite on the nut or just the screws holding the back sprocket on? Any info would be much appreciated

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...

Topic		Started By	Replies	Views	Last Post
	front brake (Preview) Hi m8s .. my Japanese camel brakes, but the handle comes up to the fist. Will it be on the top pump or the bottom pump ?? (sorry my bad english) regards	mockadash	9	1060	Mar 2, 2017 by mossproof
	Flat Spot at Idle (Preview) Couldn't find anything on my problem, I'm sure it's an easy fix but it would be a bit easier if I new where to start. So never having any carby problems I'm a bit lacking on skills in this area the bike starts perfectly but just above idle, I mean as soon as you open the throttle and up to about 10% open there's...	BM Steve	7	893	Feb 23, 2017 by BM Steve
	Starter assembly problems (Preview) Hey guys I have recently picked up a ttr250 on the cheap and I'm working through its little problems. Biggest one is that it won't start off the motor (grinding). Pretty sure I need a new sprag clutch and I figured a new starter gear as well but looking through the case both the teeth on the motor and the lar...	Willythegame	19	1375	Feb 22, 2017 by Willythegame
	Noise in rear suspension (Preview) Something is worn out in suspension: https://1drv.ms/v/s!Ar9YNbdz-p-sg-0zDVwVuz6eltkYWA I just changed the top bearing. Tomorrow will inspect lower bearings, collars.	honda15i	13	1226	Feb 19, 2017 by honda15i
	No spark and not solenoid working? (Preview) Hi there! i have a ttr 250 open enduro I recently purchased a new loom from totallyttrs as my old one when I checked has melted to the wire. The bike still started and rid before I took it off to buy a new one but ever since I've put my new one on I have no activity the light come on the clocks but theres no nutral...	ttr250_98	16	1443	Feb 17, 2017 by TTRfan
	replacing chain and sprockets (Preview) Hey guys, I've never changed this stuff and it's long overdue. What size is the nut that holds the front sprocket on? I need to buy a socket that'll fit should i use loctite on the nut or just the screws holding the back sprocket on? Any info would be much appreciated	Ammity	7	1218	Feb 17, 2017 by TTRfan
	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	735	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	1836	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	854	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	741	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	1080	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	2020	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	1170	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	861	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	1114	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	980	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	2580	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	1901	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	850	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	921	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	664	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	982	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	1397	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	726	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	885	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	14670	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	680	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	1345	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	760	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	5757	Dec 22, 2016 by walkaboutboertjie
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