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

BM Steve · BM Steve

Hi All Before I start stripping bits off the bike I thought I would ask As the title suggests it's running a bit rough in the bottom of the rev range No problem starting, stopping, no backfires or starving, it's all good, just a bit rough I figured just strip the carb and give it a clean out and maybe reset th...

TDVT · TDVT

Hi, I've seen some scary looking stuff posted on some other forums of LARGE bits of engine caught in sump screens which made me wonder if TTR even have one, in addition to the filter? Did the requisite oil/filter change when I got the bike but you never know how it may have been looked after. Happy Holida...

Moose · Moose

Has anyone used aftermarket front fork boots. Like the ones on ebay. fittment issues ??. Are they any good or best to stick with genuine nuless they are over priced..

spud351 · spud351

Had a search but can't find the answer. What size fuse should be in a Raid? It has 20A in the holder but the spare is a 15A? Also the afermarket headlamp wires have fused themselves together. If anyone has a yam raid headlamp for sale let me know. Cheers Spud.

burton500 · burton500

My 93 TTR has always been able to start on the button whilst in gear. Then last week I decided as a bit of routine maintenance to spray wd40 in every electrical connector I could find. Now the bike only starts if you put it into neutral. What is the norm on these bikes? I've either unwittingly repaired i...

sammyttr · sammyttr

only happens when bike is idling for long periods but some times only happened 2 twice that it has backfired through carb once it cut and started straight back up and other day it did it after it be raining heavenly and heared a pop on airbox while riding didn't cut just a slight hesitation, not sure what i...

Moose · Moose

2006 TTR250.. Approx 10,000 k's.. This thing sat for a long time after blowing a clutch.. Finally got it started and huge amounts of white smoke came out of it. Mind you it had been cranked alot and about half a can of Start You Bastard in the carby.. Anyway it now starts 1st or 2nd go with kick and nearly eve...

barra8 · Dec 23, 2012 by TTRfan

Very well done dude! And here I thought I was anal lol.... Don't make me strip my bike back down again to start painting stuff! On another note, I'm thinking a valve job might be in my near future. Had a lot of carbon deposits on the intake side. I dosed it the valves with seafoam and let it soak, then scrubbe...

kjd1559 · kjd1559

Just rebuilt engine. reson bent exhast valves. fitted new piston rings, cam chain and sprockets, clean the carb Bought the bike cheap because it did not run. its running now but backfires and wont idel. is it up or down on the air screw to make it richer?

damn_oatesy · damn_oatesy

Hi all, I have been presented with the problem of having to take both a van and the TTR home for Christmas. I can't do the trailer bit because I have no space or tow ball and I have found an awesome tow ball rack that will carry a dirt bike but again no tow ball. Long story short I have measured up and if I r...

domski1 · domski1

http://www.ebay.co.uk/itm/390349672653?ssPageName=STRK:MEWAX...

sammyttr · sammyttr

This sounds like a daft question but how the hell do I get the front sprocket cover off? Can't seem to get mine off. If you got a manual picture would be helpful

Paul C · Paul C

After a collision with a tree (before my ownership) what I believe is called the clutch perch is held on by a wing and a prayer, and a bit of gaffer tape. The lever is fine, it's just the bit which clamps around the bars and holds the mirror. The lug which holds the mirror is broken and the whole assembly is pr...

domski1 · domski1

Ok, I know there could maybe be many reasons for this but I will just get a few opinions in because at the moment I don't really have time to look at this but its bugging me! Basically when the bike has been left for over two days its s right struggle to start, just spins over and eventually fires up as long a...

pioter13 · pioter13

Hi Everyone Bought my 95 TT250R Raid about month ago and after few days of use i have realised that over longer journeys with medium/hard front braking my front calliper gets very hot and start dragging So i have took the front calliper apart and cleaned the seals(they were very dirty) and the groves w...

250Tom · 250Tom

seen it on here when searched google, dont mean to keep writing questions that have already been answered but couldnt find out what i needed to when i looked.. soo my rocker cover is leaking and cant find a gasket anywhere?.. my bikes a 1993 im guessing the newer models would still fit? but does anyone kn...

Vancor88 · Vancor88

I came across a YZ 250 with a blown engine. I can get it for $500. Does anyone know if the TTR 250 motor would fit. I'm thinking the TTR engine reliability + the YZ suspension (with the aliminum frame - 40-50lbs lighter) would be a great bike. Anyone know if it will work. Brian your thoughts would be appr...

rollingstone14 · rollingstone14

I just got my ttr 250, don't know tons, but I am a bit savvy to mechanics. So I picked up Penzoil Outdoor (For smaller engines) motercycle engine oil. 20W-50. Is this type of oil recommended? Will it "Work"?

TDVT · TDVT

I have been looking through the parts diagrams for my '04 US-spec TTR & am unable to find the tool kit (mentioned in the AU manual I have) which leads me to belive that the bikes didn't come with a kit as they were not sold as street-legal machines here. But I would like to carry some tools & since I s...

MarkShelley · MarkShelley

Are the exhausts for the earlier white bikes the same as those fitted to the later blue bikes? I have a 2002 bike which has a non standard silencer which is annoyingly loud on the tarmac between the lanes and just want to know which ones I can look out for on ebay. I know they don`t come up very often. I may hav...

pekkal · pekkal

Ok. This is what happened. I got the TTR home. Took a short test ride. Did not have patience to warm up properly. Stalled the engine couple of times. Plug fouled and the engine refused to start. Rolled to garage. I replaced the plug. Good spark. Still wont start. Puffs and spits to carb. Removed airbox. C...

jasparach · jasparach

Does anyone know what material the lefthand generator/starter cover is made from, does anyone know if it can be welded where it cracks inside around the starter motor?

Darren · Darren

The bike has been cutting out in what I would call not to deep water..I have had it in much deeper water that this many times and with no probs. I went to my friends bike shop today and we went through checking a few things and on squirting wd40 around the carb manifold interface it started to cough and splut...

sammyttr · sammyttr

notiched abit of oil wheeping out the rocker cover gasket just at the front, where can I get the gasket as CMC Arnold said it was £44

for a rubber gasket, we did a absolutely freezing night just wondering if it could be the cold weather

Allweatherbiker · Allweatherbiker

Is there a way to do this? I would like to have a adjustable shock instead of the fixed one on my bike. Thanks Elt

burton500 · burton500

I'm after a spare gear change lever as back up. Not seen them come up on ebay for quite a while, but I guess there must be other levers with roughly the same length, and with the same spline. Anyone got any info? Cheers Lee

Allweatherbiker · Allweatherbiker

I I'm new to this fantastic forum & I need to know where I can buy a 150 main jet for my 4GY TTR....My local yam dealer is closed so need somewhere I can buy online...also a part number or someone that knows what jet type I need. I have a 147 in at the mo but a plug chop says it's running lean so want to try a 150...

ahunt · ahunt

Hi. I have just picked up a 1997 TT250R Open Enduro. It runs but is not in the best state of repair. I have done the basics ie oil, air filter, oil and plug. It starts and runs fine but the engine is a is a bit rattly for a few minutes after starting. It also blows a bit of white smoke when revved. Would that be v...

burton500 · burton500

Hi Anyone able to confirm the electric system on a 93 TTR up to the job of running heated grips? Cheers Lee

tracker · tracker

Hi need some help in finding out what's the problem.The engine starts and idles fine, but as i increase the revs the engine starts to surge as if it is short of fuel,this started quite suddenly and i'm stumped as to the cause. Things i have checked- Valve clearences Vacuum in petrol tank Air leak at carb...

Topic		Started By	Replies	Views	Last Post
	Running a bit rough (Preview) Hi All Before I start stripping bits off the bike I thought I would ask As the title suggests it's running a bit rough in the bottom of the rev range No problem starting, stopping, no backfires or starving, it's all good, just a bit rough I figured just strip the carb and give it a clean out and maybe reset th...	BM Steve	5	723	Jan 2, 2013 by barra8
	Do TTRs have a sump screen? (Preview) Hi, I've seen some scary looking stuff posted on some other forums of LARGE bits of engine caught in sump screens which made me wonder if TTR even have one, in addition to the filter? Did the requisite oil/filter change when I got the bike but you never know how it may have been looked after. Happy Holida...	TDVT	4	645	Dec 31, 2012 by TDVT
	Front Fork Bellows (Preview) Has anyone used aftermarket front fork boots. Like the ones on ebay. fittment issues ??. Are they any good or best to stick with genuine nuless they are over priced..	Moose	3	665	Dec 30, 2012 by barra8
	Fuse Size and spotlight info (Preview) Had a search but can't find the answer. What size fuse should be in a Raid? It has 20A in the holder but the spare is a 15A? Also the afermarket headlamp wires have fused themselves together. If anyone has a yam raid headlamp for sale let me know. Cheers Spud.	spud351	20	7380	Dec 29, 2012 by Haggis Hunter
	Starting while in gear (Preview) My 93 TTR has always been able to start on the button whilst in gear. Then last week I decided as a bit of routine maintenance to spray wd40 in every electrical connector I could find. Now the bike only starts if you put it into neutral. What is the norm on these bikes? I've either unwittingly repaired i...	burton500	14	1298	Dec 28, 2012 by barra8
	backfire (Preview) only happens when bike is idling for long periods but some times only happened 2 twice that it has backfired through carb once it cut and started straight back up and other day it did it after it be raining heavenly and heared a pop on airbox while riding didn't cut just a slight hesitation, not sure what i...	sammyttr	1	548	Dec 26, 2012 by barra8
	White Smoke (Preview) 2006 TTR250.. Approx 10,000 k's.. This thing sat for a long time after blowing a clutch.. Finally got it started and huge amounts of white smoke came out of it. Mind you it had been cranked alot and about half a can of Start You Bastard in the carby.. Anyway it now starts 1st or 2nd go with kick and nearly eve...	Moose	17	2900	Dec 26, 2012 by barra8
	What to replace when replacing valves (closed) (Preview) Very well done dude! And here I thought I was anal lol.... Don't make me strip my bike back down again to start painting stuff! On another note, I'm thinking a valve job might be in my near future. Had a lot of carbon deposits on the intake side. I dosed it the valves with seafoam and let it soak, then scrubbe...	barra8	14	3817	Dec 23, 2012 by TTRfan
	Back fires (Preview) Just rebuilt engine. reson bent exhast valves. fitted new piston rings, cam chain and sprockets, clean the carb Bought the bike cheap because it did not run. its running now but backfires and wont idel. is it up or down on the air screw to make it richer?	kjd1559	17	2039	Dec 22, 2012 by barra8
	Removing Front Forks. (Preview) Hi all, I have been presented with the problem of having to take both a van and the TTR home for Christmas. I can't do the trailer bit because I have no space or tow ball and I have found an awesome tow ball rack that will carry a dirt bike but again no tow ball. Long story short I have measured up and if I r...	damn_oatesy	8	1355	Dec 21, 2012 by TTRfan
	Fitting an on/off light switch (Preview) http://www.ebay.co.uk/itm/390349672653?ssPageName=STRK:MEWAX...	domski1	13	3090	Dec 14, 2012 by barra8
	Front sprocket cover - sounds like a daft question (Preview) This sounds like a daft question but how the hell do I get the front sprocket cover off? Can't seem to get mine off. If you got a manual picture would be helpful	sammyttr	15	1481	Dec 9, 2012 by sammyttr
	Clutch "perch" (Preview) After a collision with a tree (before my ownership) what I believe is called the clutch perch is held on by a wing and a prayer, and a bit of gaffer tape. The lever is fine, it's just the bit which clamps around the bars and holds the mirror. The lug which holds the mirror is broken and the whole assembly is pr...	Paul C	1	853	Dec 8, 2012 by TTRfan
	Poor to start when left for a few days??? (Preview) Ok, I know there could maybe be many reasons for this but I will just get a few opinions in because at the moment I don't really have time to look at this but its bugging me! Basically when the bike has been left for over two days its s right struggle to start, just spins over and eventually fires up as long a...	domski1	14	1860	Dec 8, 2012 by barra8
	Front caliper dragging / sticking caliper (Preview) Hi Everyone Bought my 95 TT250R Raid about month ago and after few days of use i have realised that over longer journeys with medium/hard front braking my front calliper gets very hot and start dragging So i have took the front calliper apart and cleaned the seals(they were very dirty) and the groves w...	pioter13	18	2241	Dec 6, 2012 by pioter13
	Rocker cover leaking? (Preview) seen it on here when searched google, dont mean to keep writing questions that have already been answered but couldnt find out what i needed to when i looked.. soo my rocker cover is leaking and cant find a gasket anywhere?.. my bikes a 1993 im guessing the newer models would still fit? but does anyone kn...	250Tom	2	677	Dec 5, 2012 by barra8
	TTR 250 motor in a YZ 250 Frame (Preview) I came across a YZ 250 with a blown engine. I can get it for $500. Does anyone know if the TTR 250 motor would fit. I'm thinking the TTR engine reliability + the YZ suspension (with the aliminum frame - 40-50lbs lighter) would be a great bike. Anyone know if it will work. Brian your thoughts would be appr...	Vancor88	4	3511	Nov 30, 2012 by TDVT
	Oil types (Preview) I just got my ttr 250, don't know tons, but I am a bit savvy to mechanics. So I picked up Penzoil Outdoor (For smaller engines) motercycle engine oil. 20W-50. Is this type of oil recommended? Will it "Work"?	rollingstone14	4	12157	Nov 28, 2012 by barra8
	TTR Tool kit box/pouch suggestions? (Preview) I have been looking through the parts diagrams for my '04 US-spec TTR & am unable to find the tool kit (mentioned in the AU manual I have) which leads me to belive that the bikes didn't come with a kit as they were not sold as street-legal machines here. But I would like to carry some tools & since I s...	TDVT	3	2140	Nov 27, 2012 by alexbarb
	Exhaust compatibility (Preview) Are the exhausts for the earlier white bikes the same as those fitted to the later blue bikes? I have a 2002 bike which has a non standard silencer which is annoyingly loud on the tarmac between the lanes and just want to know which ones I can look out for on ebay. I know they don`t come up very often. I may hav...	MarkShelley	1	747	Nov 27, 2012 by TTRfan
	Exhaust cam timing badly wrong?! (Preview) Ok. This is what happened. I got the TTR home. Took a short test ride. Did not have patience to warm up properly. Stalled the engine couple of times. Plug fouled and the engine refused to start. Rolled to garage. I replaced the plug. Good spark. Still wont start. Puffs and spits to carb. Removed airbox. C...	pekkal	18	3859	Nov 17, 2012 by barra8
	Left hand generator cover material (Preview) Does anyone know what material the lefthand generator/starter cover is made from, does anyone know if it can be welded where it cracks inside around the starter motor?	jasparach	22	1825	Nov 13, 2012 by barra8
	rubber carb boot manifold to carb....OMG!!!! what a state (Preview) The bike has been cutting out in what I would call not to deep water..I have had it in much deeper water that this many times and with no probs. I went to my friends bike shop today and we went through checking a few things and on squirting wd40 around the carb manifold interface it started to cough and splut...	Darren	4	1667	Nov 12, 2012 by domski1
	rocker cover (Preview) notiched abit of oil wheeping out the rocker cover gasket just at the front, where can I get the gasket as CMC Arnold said it was £44 for a rubber gasket, we did a absolutely freezing night just wondering if it could be the cold weather	sammyttr	6	1095	Nov 10, 2012 by sammyttr
	Fitting a yellow shock to a raid? (Preview) Is there a way to do this? I would like to have a adjustable shock instead of the fixed one on my bike. Thanks Elt	Allweatherbiker	11	899	Nov 8, 2012 by TTRfan
	Gear change lever (Preview) I'm after a spare gear change lever as back up. Not seen them come up on ebay for quite a while, but I guess there must be other levers with roughly the same length, and with the same spline. Anyone got any info? Cheers Lee	burton500	1	545	Nov 7, 2012 by barra8
	I need a 150 main jet (Preview) I I'm new to this fantastic forum & I need to know where I can buy a 150 main jet for my 4GY TTR....My local yam dealer is closed so need somewhere I can buy online...also a part number or someone that knows what jet type I need. I have a 147 in at the mo but a plug chop says it's running lean so want to try a 150...	Allweatherbiker	12	1535	Nov 4, 2012 by barra8
	Engine advice (Preview) Hi. I have just picked up a 1997 TT250R Open Enduro. It runs but is not in the best state of repair. I have done the basics ie oil, air filter, oil and plug. It starts and runs fine but the engine is a is a bit rattly for a few minutes after starting. It also blows a bit of white smoke when revved. Would that be v...	ahunt	14	2001	Nov 2, 2012 by barra8
	Heated handlebar grips (Preview) Hi Anyone able to confirm the electric system on a 93 TTR up to the job of running heated grips? Cheers Lee	burton500	30	795	Oct 29, 2012 by Cubber
	Engine surging (Preview) Hi need some help in finding out what's the problem.The engine starts and idles fine, but as i increase the revs the engine starts to surge as if it is short of fuel,this started quite suddenly and i'm stumped as to the cause. Things i have checked- Valve clearences Vacuum in petrol tank Air leak at carb...	tracker	17	1985	Oct 28, 2012 by barra8
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