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

majorendo · majorendo

Hi all, Thanks very much for the info on the flywheel puller. I finally got that off and went to replace the sprag clutch. Both idler gears and all bearings looked good. No broken teeth or anything, but after I got everything back together I tried to start it and got a really loud clunking sound. Now it do...

Mike Wright · Mike Wright

The TTR has been great except a couple of things I found which is no big deal but needed fixing. I cleaned the carb checked the cables and it still decided every so often to rev high even with the throttle closed and the slide seated properly. After inspection I have a split inlet rubber so I suspect thats t...

wizz · wizz

hi my bike runs fine all through the rev range, pulls well. the engine seems to get really hot and the plug (new)is white and dry.I stripped the carb blew it through with air all seems fine ,air screw 1 1/2 turns out.no air leaks on exhaust or inlet rubbers, I was thinking of dropping the needle 1 notch ? any...

yamaha42 · yamaha42

Hello all. I am trying to figure out what jets to get for my bike. The only mod done to the bike is an UNI air filter. I need a different pilot jet because it starves for fuel at idle to 1/8 throttle, however after 1/8 throttel the bike runs just fine. I am trying to find jets according to THIS topic. I am usin...

Clutha · Clutha

After my 1st carb removal and strip I'm pleased to report things are improved greatly. It's been so long waiting on non cojone freezing weather that I can't find my original post describing what I found. Briefly, some of the holes in the 'shield' round the needle were blocked possibly by dirt gettin...

G-Rig · G-Rig

Just crashed in a deep puddle and coud'nt kill engine in time .Now bike won't turn over. I have removed sprak plug and muffler from engine and drained air filter box cleaned air filter ,turned bike upside down to drain cyclinder. Any other things i should do before trying to start? Any suggestions woul...

sinasia · sinasia

(http://www.motorcyclenews.com/MCN/bikereviews/searchresults/Bike-Reviews/Yamaha/Yamaha-TT250R-2004-2005/)is

pekkal · pekkal

Hello all, I have a 2001 TTR (USA model) with the following specs:Piston replaced ~40 hours ago.13-52 gearing.A big hole in the airbox cover (by PO).Standard header pipe with extra long (about 50cm) tailpipe with straight through silencer (Made by PO). The silencer has a smaller ID than the tail pip...

MarkH · MarkH

Can I please ask if anyone knows if a 2vn00 rear wheel will fit a 2003 TTR? (I'm not sure what my year designation is) Many thanks Mark

matador · matador

I only recently brought my TTR on a private sale, good clean bike but, it would only run on choke but the engine sounded ok so I brought it. I found it was so clean due to over pressure washing water and some sort of cleaner had got into the carb via the air box. I stripped and cleaned out the carb, drained clea...

skeersy · skeersy

I have a 2003 TTR 250 which seems to have an oil leak either from the "o" ring on the starter motor or somewhere close by. There also seems to have oil seeping out the grommet with 4 wires coming out of it, just in front of the front chain sprocket. Thank you Terry.

Paul13 · Paul13

Hi Just purchased a OE TTR 250, do not have a service book, or anything to know how to release the seat or the battery location. If I may have some help please, do not want to force the seat, and guessing the battery is located under there. Is there a service manuel I can download please. Thanks Paul...

Tucker250 · Tucker250

Hi was wondering if anyone could help me before I pull any more of my hair out?? I replaced the oil and oil filter on my ttr today all was ok untill I started the bike up after i had finished as I noticed That when I rev the bike oil comes out of the top of the oil filter housing and when I release the revs and she i...

jasparach · jasparach

Hi all, best wishes for the festive season and a happy new year to one and all. I have a question about a ttr that a friend of mine has and it is this, his bike is seems like it is snatching when driving slowly and there seems to be a roughness in the drive train almost as if it is missing and then catching again...

EastDevonTTR · EastDevonTTR

Hi All, Having had no problems with starting for the first few months my 2004 TTR 250 is now a reluctant starter. If I start on choke then doesn't like to be left on it for anything more than a minute before cutting out. Today was made worse because I had flat battery and had to kick start it. After sever...

rollingstone14 · rollingstone14

I was out riding dirt about a week ago and I took a hill a little too steep for me. My boot slipped off the edge of the hill (small trail) and I tumbled down the edge, dropping the bike. I was fine but when I lifted my bike back upright I noticed that the gear shift lever had broken (right at the point where the le...

sammyttr · sammyttr

Been a hell of a day I've been trying to bleed my brakes on the Kawasaki zzr600 and no matter how much new fluid we have put through its still not biting, just remaining really spongy and not stopping the bike at all, it has got new seals and fluid and still refuses to bleed, any ideas and too top it all off fo...

wobbly · wobbly

Hi, new to the forum and I have managed to get a puncture on the rear tyre. Problem seems to be removing the rear axle, I have removed the axle nut and placed a piece of wood over the axle and try to drift it out with a hammer but up to now no signs of moving

any ideas would be appreciated to get the axle out....

ttrpaul · ttrpaul

Hi fellow TTR-ers, Possibly a stupid question, but what are the signs of petrol tap failure? After I've parked her up, I never turn off the petrol on my 4GY and it's usually fine... til last week when she peed petrol all over the floor and seems to have filled the sump with petrol too :-/ Do I need to rebui...

colin13846 · colin13846

Quick look at the bottom off the chain slider and appeared like it was wearing through dangerously close to swing arm. Manaaged to remove it for a closer inspection, fortunatly it had not yet marked the swinging arm. New one required. Brian are these available as your site appears to direct me to a diff...

cgwinner · cgwinner

I have a bent front brake disc on my 2007 blue TTR250. Does anyone know if a front disc from a '99 will fit? Have a lead on one for cheap. thanks, Chris

NIKOS · NIKOS

hi guys. Recently I have observed oil leak from a bolt (see pic.), although it is tightly screwed. I guess this bolt is for the oil pressure. Any ideas what to do? Have anyone else the same problem? Thanks

efiles123 · efiles123

So i'm still trying to fix my friend's ttr 250 after it sat for 2 years outside. Before that the bike ran fine so I decided to tear down the carb to find it filthy. After a thorough cleaning with solvent and compressed air, I replaced the float valvle assembly before re-assembling the carb. I charged u...

yamalama · yamalama

Hi all, The top and bottom mounting points of the rear shock use spherical bearings. How do you grease these? The Yamaha workshop manual says that the linkage bearings are polylube type that never need regreasing. Does this include the shock mounting spherical bolts? Is this still true after eight y...

nwrider · nwrider

didnt really get what i needed answered, i have a 2006 250 us, i have changed the spark, air,oil, filters, brakepads. I am thinking about taking to a mechanic for a check up/tune up. other than wheel bearings what should i have him go over? i have heard metion of valve clearance, thanks brett

nwrider · nwrider

I bought my 06 ttr 2 years ago, and done the mods, street legaled it here in montana, new q4 muffler, running great. I would love to bring to a local mechanic to check out. What should i have him check. Not really a tune up as i can change oil, air, spark. But what should i have him do? Thinking about valves,t...

BM Steve · BM Steve

I have big feet, there's no hiding it !, then put them inside a pair of riding boots and well... there bloody enormous. So a question, anyone in Aus that has a set of unwanted/rusted/damaged pegs they want to get rid of ? I want to mod them and make them wider and longer I want to keep the OEM items just in case...

Lin · Lin

Can anyone tell me the size of the internal hex in the TTR head bolts? I think its 10mm hex as the bolt dia is 10mm but I need to be sure...

gregorious77 · gregorious77

My mate has a TTR which we are repairing (sprag). the engine only has 4GY and the same on the frame. No other numbers or letters! the V5 says the same too! Sticker onthe headstock is all in Japanese except II-197 and the 4GY Does this seem right?

TTRinEgypt · TTRinEgypt

I have a strange one here... I had my bike sitting for quite a while (years) and took it out a while ago. I cleaned out the carb, airbox, oils etc and put in a fresh plug. For some reason it is very difficult to start. It starts with choke full out, but dies immediately (2 secs). And dies even quicker if I try ap...

Topic		Started By	Replies	Views	Last Post
	Just got done replacing sprag clutch, but there was loud clunking sounds from idler gear area (Preview) Hi all, Thanks very much for the info on the flywheel puller. I finally got that off and went to replace the sprag clutch. Both idler gears and all bearings looked good. No broken teeth or anything, but after I got everything back together I tried to start it and got a really loud clunking sound. Now it do...	majorendo	5	1509	Apr 22, 2013 by TT-R250M
	Generator cover torque settings (Preview) The TTR has been great except a couple of things I found which is no big deal but needed fixing. I cleaned the carb checked the cables and it still decided every so often to rev high even with the throttle closed and the slide seated properly. After inspection I have a split inlet rubber so I suspect thats t...	Mike Wright	3	1535	Apr 22, 2013 by Mike Wright
	white plug (Preview) hi my bike runs fine all through the rev range, pulls well. the engine seems to get really hot and the plug (new)is white and dry.I stripped the carb blew it through with air all seems fine ,air screw 1 1/2 turns out.no air leaks on exhaust or inlet rubbers, I was thinking of dropping the needle 1 notch ? any...	wizz	2	606	Apr 20, 2013 by wizz
	Need advice with jetting! (Preview) Hello all. I am trying to figure out what jets to get for my bike. The only mod done to the bike is an UNI air filter. I need a different pilot jet because it starves for fuel at idle to 1/8 throttle, however after 1/8 throttel the bike runs just fine. I am trying to find jets according to THIS topic. I am usin...	yamaha42	14	2725	Apr 19, 2013 by yamaha42
	Carb sooo much better (Preview) After my 1st carb removal and strip I'm pleased to report things are improved greatly. It's been so long waiting on non cojone freezing weather that I can't find my original post describing what I found. Briefly, some of the holes in the 'shield' round the needle were blocked possibly by dirt gettin...	Clutha	5	1301	Apr 17, 2013 by Clutha
	Crashed in a puddle (Preview) Just crashed in a deep puddle and coud'nt kill engine in time .Now bike won't turn over. I have removed sprak plug and muffler from engine and drained air filter box cleaned air filter ,turned bike upside down to drain cyclinder. Any other things i should do before trying to start? Any suggestions woul...	G-Rig	18	1674	Apr 15, 2013 by Haggis Hunter
	1997 TTR250 HOW MUCH 19, 28 or 30hp? (Preview) (http://www.motorcyclenews.com/MCN/bikereviews/searchresults/Bike-Reviews/Yamaha/Yamaha-TT250R-2004-2005/)is	sinasia	6	10054	Apr 15, 2013 by LRJ
	A story of a jetting... (Preview) Hello all, I have a 2001 TTR (USA model) with the following specs:Piston replaced ~40 hours ago.13-52 gearing.A big hole in the airbox cover (by PO).Standard header pipe with extra long (about 50cm) tailpipe with straight through silencer (Made by PO). The silencer has a smaller ID than the tail pip...	pekkal	13	4079	Apr 11, 2013 by pekkal
	2vn00 rear wheel (Preview) Can I please ask if anyone knows if a 2vn00 rear wheel will fit a 2003 TTR? (I'm not sure what my year designation is) Many thanks Mark	MarkH	2	1203	Apr 10, 2013 by MarkH
	TTR running a bit rough (Preview) I only recently brought my TTR on a private sale, good clean bike but, it would only run on choke but the engine sounded ok so I brought it. I found it was so clean due to over pressure washing water and some sort of cleaner had got into the carb via the air box. I stripped and cleaned out the carb, drained clea...	matador	6	1466	Apr 8, 2013 by matador
	oil leak from left hand side of engine below starter motor. (Preview) I have a 2003 TTR 250 which seems to have an oil leak either from the "o" ring on the starter motor or somewhere close by. There also seems to have oil seeping out the grommet with 4 wires coming out of it, just in front of the front chain sprocket. Thank you Terry.	skeersy	1	1049	Apr 8, 2013 by TTRfan
	Removing the seat and battery location help please (Preview) Hi Just purchased a OE TTR 250, do not have a service book, or anything to know how to release the seat or the battery location. If I may have some help please, do not want to force the seat, and guessing the battery is located under there. Is there a service manuel I can download please. Thanks Paul...	Paul13	3	10452	Apr 5, 2013 by TTRfan
	oil leak from filter housing??? (Preview) Hi was wondering if anyone could help me before I pull any more of my hair out?? I replaced the oil and oil filter on my ttr today all was ok untill I started the bike up after i had finished as I noticed That when I rev the bike oil comes out of the top of the oil filter housing and when I release the revs and she i...	Tucker250	7	1343	Apr 5, 2013 by TTRfan
	TTR drive train noise issues (Preview) Hi all, best wishes for the festive season and a happy new year to one and all. I have a question about a ttr that a friend of mine has and it is this, his bike is seems like it is snatching when driving slowly and there seems to be a roughness in the drive train almost as if it is missing and then catching again...	jasparach	19	5807	Apr 4, 2013 by Cubber
	Starts, runs, stops....... (Preview) Hi All, Having had no problems with starting for the first few months my 2004 TTR 250 is now a reluctant starter. If I start on choke then doesn't like to be left on it for anything more than a minute before cutting out. Today was made worse because I had flat battery and had to kick start it. After sever...	EastDevonTTR	4	1196	Apr 2, 2013 by TTRfan
	Gear shift lever. (Preview) I was out riding dirt about a week ago and I took a hill a little too steep for me. My boot slipped off the edge of the hill (small trail) and I tumbled down the edge, dropping the bike. I was fine but when I lifted my bike back upright I noticed that the gear shift lever had broken (right at the point where the le...	rollingstone14	6	2362	Apr 2, 2013 by rollingstone14
	brake bleeding (Preview) Been a hell of a day I've been trying to bleed my brakes on the Kawasaki zzr600 and no matter how much new fluid we have put through its still not biting, just remaining really spongy and not stopping the bike at all, it has got new seals and fluid and still refuses to bleed, any ideas and too top it all off fo...	sammyttr	2	1035	Apr 1, 2013 by sammyttr
	Rear axle problem (Preview) Hi, new to the forum and I have managed to get a puncture on the rear tyre. Problem seems to be removing the rear axle, I have removed the axle nut and placed a piece of wood over the axle and try to drift it out with a hammer but up to now no signs of moving any ideas would be appreciated to get the axle out....	wobbly	12	3959	Mar 29, 2013 by Marshall
	Petrol tap /pet**** problem? (Preview) Hi fellow TTR-ers, Possibly a stupid question, but what are the signs of petrol tap failure? After I've parked her up, I never turn off the petrol on my 4GY and it's usually fine... til last week when she peed petrol all over the floor and seems to have filled the sump with petrol too :-/ Do I need to rebui...	ttrpaul	6	1639	Mar 28, 2013 by ttrpaul
	Chain slider on its way out (Preview) Quick look at the bottom off the chain slider and appeared like it was wearing through dangerously close to swing arm. Manaaged to remove it for a closer inspection, fortunatly it had not yet marked the swinging arm. New one required. Brian are these available as your site appears to direct me to a diff...	colin13846	2	553	Mar 26, 2013 by colin13846
	Front brake disc sizing (Preview) I have a bent front brake disc on my 2007 blue TTR250. Does anyone know if a front disc from a '99 will fit? Have a lead on one for cheap. thanks, Chris	cgwinner	2	554	Mar 25, 2013 by cgwinner
	oil leak (Preview) hi guys. Recently I have observed oil leak from a bolt (see pic.), although it is tightly screwed. I guess this bolt is for the oil pressure. Any ideas what to do? Have anyone else the same problem? Thanks	NIKOS	2	707	Mar 23, 2013 by NIKOS
	ttr 250 won't start (Preview) So i'm still trying to fix my friend's ttr 250 after it sat for 2 years outside. Before that the bike ran fine so I decided to tear down the carb to find it filthy. After a thorough cleaning with solvent and compressed air, I replaced the float valvle assembly before re-assembling the carb. I charged u...	efiles123	8	4680	Mar 23, 2013 by TT-R250M
	How do you grease the rear shock's spherical bearings? (Preview) Hi all, The top and bottom mounting points of the rear shock use spherical bearings. How do you grease these? The Yamaha workshop manual says that the linkage bearings are polylube type that never need regreasing. Does this include the shock mounting spherical bolts? Is this still true after eight y...	yamalama	2	1726	Mar 22, 2013 by yamalama
	tune up questions (Preview) didnt really get what i needed answered, i have a 2006 250 us, i have changed the spark, air,oil, filters, brakepads. I am thinking about taking to a mechanic for a check up/tune up. other than wheel bearings what should i have him go over? i have heard metion of valve clearance, thanks brett	nwrider	2	931	Mar 22, 2013 by TTRfan
	bikes running good, snows melting (Preview) I bought my 06 ttr 2 years ago, and done the mods, street legaled it here in montana, new q4 muffler, running great. I would love to bring to a local mechanic to check out. What should i have him check. Not really a tune up as i can change oil, air, spark. But what should i have him do? Thinking about valves,t...	nwrider	2	470	Mar 19, 2013 by TDVT
	I have BIG FEET Foot Pegs (Preview) I have big feet, there's no hiding it !, then put them inside a pair of riding boots and well... there bloody enormous. So a question, anyone in Aus that has a set of unwanted/rusted/damaged pegs they want to get rid of ? I want to mod them and make them wider and longer I want to keep the OEM items just in case...	BM Steve	13	1561	Mar 19, 2013 by texasT
	HELP! Memory loss... (Preview) Can anyone tell me the size of the internal hex in the TTR head bolts? I think its 10mm hex as the bolt dia is 10mm but I need to be sure...	Lin	2	476	Mar 17, 2013 by Lin
	Engine and frame numbers? (Preview) My mate has a TTR which we are repairing (sprag). the engine only has 4GY and the same on the frame. No other numbers or letters! the V5 says the same too! Sticker onthe headstock is all in Japanese except II-197 and the 4GY Does this seem right?	gregorious77	2	1893	Mar 16, 2013 by gregorious77
	Difficult start (Preview) I have a strange one here... I had my bike sitting for quite a while (years) and took it out a while ago. I cleaned out the carb, airbox, oils etc and put in a fresh plug. For some reason it is very difficult to start. It starts with choke full out, but dies immediately (2 secs). And dies even quicker if I try ap...	TTRinEgypt	5	875	Mar 7, 2013 by Yuraku
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