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

TimCC · TimCC

Four days into a trip of trail and dirt road riding my TTR went from sounding a little bit off to frighteningly loud knocking sounds from somewhere low in the engine. Now that summer is winding down I have had some time to pull the engine and start to tear it down. There was a lot more glitter in the oil than...

andyh · andyh

just a about done recommissioning 94 raid but side panel fixings ,2 to frame and 2 to rear of seat are missing in action - anyone know of type ( assume dzuz?) and the correct length/size? cheers

locky · locky

Anyone know the thread size of the bolts that hold the r/h footpeg bracket to the frame ? They forgot to mask these threads when powder coating and iv'e only got the bolts half way in.

benny579 · benny579

out of all the parts that are in my engine (bought it disassembled), this is the only bit I cant identify. My manual hasn't arrived and I havent seen it in the parts schematic. Any help would be greatly appreciated. Benny

Andy99 · Andy99

hi all. On my first trip out green laning (and falling off) it seems I've slightly bent a front fork making the steering off centre. is it advisable to have the fork leg straightened or will it always be a weak point now? are there forks from other bikes that'll fit or is there a popular upgrade? thanks in a...

Henry · Henry

Hi all. I just mounted new t301 tires on my ttr 250. Previously I had old almost square d off road tires. The new ones are more knobby but they feel funny. As if something is loose. I double checked that everything is torque d up. The feeling around corners is not as precise at with the old ones. Could this be...

leigh · leigh

Hi there, Wanting to replace the white vinyl stickers on the side covers and headlight surround Its been a hard year for the ttr and he needs some freshening up! Does anyone sell them? Do I need to make my own. If so what do people recommend and has anyone got any templates I can copy. Or do I need to make m...

thirty6 · thirty6

Hi All Hello from the frozen UK !993 import TTR250 i have owned it for 5 year+ and it has never ran right and till now has sat in the back of the shed. It has a high rpm missfire its okay for the first few minutes of warming up but once you drop the choke and it reaches operating temperature I get the most incred...

Lostboyscout · Lostboyscout

Hi all its stupid question time from a newbie i have just got myself a nice OE, but not knowing anything about set up or how they should feel. i have just ridden a blue and the forks are much softer than mine, how and what should I do to make my forks softer if anything ?? many thanks

RodYorkttr · RodYorkttr

OK people ..im back on grid and musing over the idea of a trip- with people I dont know...you! Sniper will be putting in an appearance-he will have a passport by then! What I'm looking for- 1.People happy to be filmed- it will be again released on Youtube 2.People prepared to have a go at something diff...

bakerlonglegs · bakerlonglegs

Hello peeps, I have a blue tank TTR 250 which I use for green laning with the Herts TRF. The green laning trips are about 70-80% road, 20-30% trails, with the trails a mix of gravel and muddy ruts. I currently have a Mitas C19 on the front and C02 on the back. I'm really struggling with the front tyre grip o...

TTRfan · TTRfan

I had an email from an owner with an interesting approach to replacing fork seals - see below:"I have just been busy fitting fork seals. You may not approve of my technique but I very simply remove the dust seal/fork seal retaining clip and attach a mini air compressor to the top valve. 200psi push...

66T · 66T

Hi all. After years and years (and years) of motorbiking and fiddling around with same, I find I'm still a noob. Some while ago, at about 70,000 km I replaced all the linkage bearings. When all is said and done, I eventually replaced the shock, as it was badly worn, and the suspension appeared not to be g...

Chimpy · Chimpy

Recently I've had a couple of starting problems, the first I have now fixed which was a faulty starter solenoid. My second starting fault is when starting from cold it fires up straight away as usual but pops and stalls. Today I began removal of the carb to give it a clean as I was assuming a dirty jet w...

TTRfan · TTRfan

Cripes - what a job that turned out to be Both bulbs on the number plate unit had blown. If one was still working I wouldn't have bothered doing the job. As is common on older TTRs that have been subject to mud etc, both nuts were fully seized on and weren't going to budge without special treatment I skim...

Markvan · Markvan

My tank has abit of play when straped to the frame. About half an inch or abit less. I would have thought its suppose to hold the tank more securely. The round rubber thats on the frame is in good nick. i can lift the rear of the tank when the straps on. Its as if the straps a tiny bit to long. Anyone else got move...

DD · DD

Hello everyone. Question is what are the dimension`s of starter`s o ring???? Mine is leaking oil a lot from there and need to replace it. Problem is that i live in Finland and the bike is in Greece.. :) so i can`t measure it. I`m leaving on wednesday to Greece and going to fix my Raid again. So if anyone kn...

j180 · j180

Not sure what they are called, the rubber bushes that you clip the plastic side panels into are falling to bits on my OE, had a look on Brian's site but didn't see them. One of the panels is moving about quite a bit so have used some tape as a bodge, don't want the clip to break off. Any help would be appreciate...

TTRfan · TTRfan

I stripped out a kickstart mechanism a long time ago that had damaged splines. The parts are all together waiting for a miracle "cure" and it was a miracle I found the tub of parts!I know we have some engineers on the forum and would be grateful for some advice on whether the splines might be re...

locky · locky

My TTR got delivered this morning and i'm quite pleased with it considering i didn't view it (ebay sale & came from Aberdeenshire). It's not as good as in the ebay pics but i took this into account as it's normally the case. It has quite a few rusty fasteners and some rust on the frame around various we...

Cubber · Cubber

I'm re-posting a post I found on another web site on this:- Just found this and looks on the ball. http://youtu.be/RCrixbXz4rc Found them for sale here. http://aluminiumrods.co.uk I haven't tried any of this gear BUT if it's as good as it says then it should sort a few problems out.

M...

dern · dern

Does my bike's ride height look normal? Could do with it being a bit higher but wondered what my starting point looked like to others before I wound the spring up a bit please. Thanks, Mark

hanzo · hanzo

Could anyone provide the correct size for the banjo bolt on the oil feed pipe the one closest to the oil filter housing on clutch cover length pitch etc many thanks.

j180 · j180

Due to my standard exhaust deciding to fall to bits I have bought a CRD from Riverside. Will I need to do anything to the carbs, total novice with these tbh. At present the bike bogs down at low revs but is fine at higher rpm. Cheers from John

texasT · texasT

[URL=https://i1156.photobucket.com/albums/p563/KZ698/6-20-2013/20130701211601_ttr__zpsa3ca842c.mp4][IMG]https://i1156.photob...

Archershome · Archershome

Hello all TTR fans out there, I have a small problem to solve...

After going laneing the other week bike running fine, it is now stalling loads on tiny throttle moment, or on blip of throttle. Requires throttle to start when warm as well. However once running on opening throttle slowly it st...

mypobox · mypobox

I recently hit a large rock with my bike and it went into my stator cover. There was a hole and it was broke bad. The only thing that saved me from this being a huge expense was the steel engine guard on it from the factory. That guard too a HUGE hit and crushed into the case. It took ALOT of energy and did a grea...

mypobox · mypobox

im so happy to have her back. Only had one issue. The threads stripped out of the case that hold the lower left chain guard on. It was very soft. Im hoping I can just go up a hair, maybe SAE and get it to bite. Its not lose right now but it will only get worse when I change the front sprocket. Thank you Brian and th...

pug · pug

How to lighten an Engine after years of fixing motors putting this one under the hacksaw an milling machine even with it being a cheap Honda clone motor just did not feel right. but the kid's get to see what's going on inside and they just don't get to play with this sort of thing at home like we did when we...

mypobox · mypobox

Do I need to reuse this bearing in the new stator cover or does the new c cover come with the bearing installed. I don't see the bearing listed in the parts diagram. Thank you.

Topic		Started By	Replies	Views	Last Post
	Frightening knocking sound - bad crank bearing? (Preview) Four days into a trip of trail and dirt road riding my TTR went from sounding a little bit off to frighteningly loud knocking sounds from somewhere low in the engine. Now that summer is winding down I have had some time to pull the engine and start to tear it down. There was a lot more glitter in the oil than...	TimCC	3	2502	Jan 12, 2015 by TimCC
	94 raid side panel pins (Preview) just a about done recommissioning 94 raid but side panel fixings ,2 to frame and 2 to rear of seat are missing in action - anyone know of type ( assume dzuz?) and the correct length/size? cheers	andyh	2	837	Jan 12, 2015 by andyh
	Thread size ? (Preview) Anyone know the thread size of the bolts that hold the r/h footpeg bracket to the frame ? They forgot to mask these threads when powder coating and iv'e only got the bolts half way in.	locky	4	633	Jan 11, 2015 by locky
	Where does this go???? (Preview) out of all the parts that are in my engine (bought it disassembled), this is the only bit I cant identify. My manual hasn't arrived and I havent seen it in the parts schematic. Any help would be greatly appreciated. Benny	benny579	5	661	Jan 11, 2015 by Cubber
	Fork advice (Preview) hi all. On my first trip out green laning (and falling off) it seems I've slightly bent a front fork making the steering off centre. is it advisable to have the fork leg straightened or will it always be a weak point now? are there forks from other bikes that'll fit or is there a popular upgrade? thanks in a...	Andy99	4	825	Jan 8, 2015 by Andy99
	Need advice on new feel after mounting new tyres. (Preview) Hi all. I just mounted new t301 tires on my ttr 250. Previously I had old almost square d off road tires. The new ones are more knobby but they feel funny. As if something is loose. I double checked that everything is torque d up. The feeling around corners is not as precise at with the old ones. Could this be...	Henry	4	600	Jan 6, 2015 by Henry
	Freshening up the plastics (Preview) Hi there, Wanting to replace the white vinyl stickers on the side covers and headlight surround Its been a hard year for the ttr and he needs some freshening up! Does anyone sell them? Do I need to make my own. If so what do people recommend and has anyone got any templates I can copy. Or do I need to make m...	leigh	6	1554	Jan 4, 2015 by TTRfan
	high rpm missfire (Preview) Hi All Hello from the frozen UK !993 import TTR250 i have owned it for 5 year+ and it has never ran right and till now has sat in the back of the shed. It has a high rpm missfire its okay for the first few minutes of warming up but once you drop the choke and it reaches operating temperature I get the most incred...	thirty6	1	624	Jan 4, 2015 by hanzo
	Fork adjustment ! . .? (Preview) Hi all its stupid question time from a newbie i have just got myself a nice OE, but not knowing anything about set up or how they should feel. i have just ridden a blue and the forks are much softer than mine, how and what should I do to make my forks softer if anything ?? many thanks	Lostboyscout	3	3251	Jan 2, 2015 by mypobox
	Bike Trip 2015- anyone free??! (Preview) OK people ..im back on grid and musing over the idea of a trip- with people I dont know...you! Sniper will be putting in an appearance-he will have a passport by then! What I'm looking for- 1.People happy to be filmed- it will be again released on Youtube 2.People prepared to have a go at something diff...	RodYorkttr	5	1369	Dec 30, 2014 by locky
	Yet another tyres thread.... front for winter laning (Preview) Hello peeps, I have a blue tank TTR 250 which I use for green laning with the Herts TRF. The green laning trips are about 70-80% road, 20-30% trails, with the trails a mix of gravel and muddy ruts. I currently have a Mitas C19 on the front and C02 on the back. I'm really struggling with the front tyre grip o...	bakerlonglegs	7	1343	Dec 24, 2014 by petenz
	Replacing fork seals - an easy method? (Preview) I had an email from an owner with an interesting approach to replacing fork seals - see below:"I have just been busy fitting fork seals. You may not approve of my technique but I very simply remove the dust seal/fork seal retaining clip and attach a mini air compressor to the top valve. 200psi push...	TTRfan	3	1457	Dec 24, 2014 by TTRfan
	'Jamming' rear suspension (Preview) Hi all. After years and years (and years) of motorbiking and fiddling around with same, I find I'm still a noob. Some while ago, at about 70,000 km I replaced all the linkage bearings. When all is said and done, I eventually replaced the shock, as it was badly worn, and the suspension appeared not to be g...	66T	15	1178	Dec 23, 2014 by 66T
	Starting/Inlet fault (Preview) Recently I've had a couple of starting problems, the first I have now fixed which was a faulty starter solenoid. My second starting fault is when starting from cold it fires up straight away as usual but pops and stalls. Today I began removal of the carb to give it a clean as I was assuming a dirty jet w...	Chimpy	3	693	Dec 21, 2014 by Chimpy
	Replacing the bulbs on the original TTR250 number plate light (Preview) Cripes - what a job that turned out to be Both bulbs on the number plate unit had blown. If one was still working I wouldn't have bothered doing the job. As is common on older TTRs that have been subject to mud etc, both nuts were fully seized on and weren't going to budge without special treatment I skim...	TTRfan	5	1735	Dec 18, 2014 by TTRfan
	Tank strap and tank movement. (Preview) My tank has abit of play when straped to the frame. About half an inch or abit less. I would have thought its suppose to hold the tank more securely. The round rubber thats on the frame is in good nick. i can lift the rear of the tank when the straps on. Its as if the straps a tiny bit to long. Anyone else got move...	Markvan	4	2601	Dec 14, 2014 by Cubber
	Help needed Starter`s o-ring??? (Preview) Hello everyone. Question is what are the dimension`s of starter`s o ring???? Mine is leaking oil a lot from there and need to replace it. Problem is that i live in Finland and the bike is in Greece.. :) so i can`t measure it. I`m leaving on wednesday to Greece and going to fix my Raid again. So if anyone kn...	DD	0	502	Dec 12, 2014 by DD
	Rubber bushes for panels ? (Preview) Not sure what they are called, the rubber bushes that you clip the plastic side panels into are falling to bits on my OE, had a look on Brian's site but didn't see them. One of the panels is moving about quite a bit so have used some tape as a bodge, don't want the clip to break off. Any help would be appreciate...	j180	3	1064	Dec 6, 2014 by j180
	Engineering advice please? (Preview) I stripped out a kickstart mechanism a long time ago that had damaged splines. The parts are all together waiting for a miracle "cure" and it was a miracle I found the tub of parts!I know we have some engineers on the forum and would be grateful for some advice on whether the splines might be re...	TTRfan	10	1173	Dec 4, 2014 by pug
	New to me TTR (Preview) My TTR got delivered this morning and i'm quite pleased with it considering i didn't view it (ebay sale & came from Aberdeenshire). It's not as good as in the ebay pics but i took this into account as it's normally the case. It has quite a few rusty fasteners and some rust on the frame around various we...	locky	2	645	Nov 28, 2014 by locky
	Aluminium repairs (Preview) I'm re-posting a post I found on another web site on this:- Just found this and looks on the ball. http://youtu.be/RCrixbXz4rc Found them for sale here. http://aluminiumrods.co.uk I haven't tried any of this gear BUT if it's as good as it says then it should sort a few problems out. M...	Cubber	4	735	Nov 26, 2014 by alanwebbo
	Ride height (Preview) Does my bike's ride height look normal? Could do with it being a bit higher but wondered what my starting point looked like to others before I wound the spring up a bit please. Thanks, Mark	dern	2	865	Nov 23, 2014 by dern
	oil banjo bolts (Preview) Could anyone provide the correct size for the banjo bolt on the oil feed pipe the one closest to the oil filter housing on clutch cover length pitch etc many thanks.	hanzo	2	813	Nov 21, 2014 by hanzo
	CRD exhaust (Preview) Due to my standard exhaust deciding to fall to bits I have bought a CRD from Riverside. Will I need to do anything to the carbs, total novice with these tbh. At present the bike bogs down at low revs but is fine at higher rpm. Cheers from John	j180	1	847	Nov 20, 2014 by j180
	Rear wheel issue (Preview) [URL=https://i1156.photobucket.com/albums/p563/KZ698/6-20-2013/20130701211601_ttr__zpsa3ca842c.mp4][IMG]https://i1156.photob...	texasT	8	1105	Nov 19, 2014 by texasT
	TTR Blue Been Running Great Now Stalling After Small Throttle Opening or Blip Throttle (Preview) Hello all TTR fans out there, I have a small problem to solve... After going laneing the other week bike running fine, it is now stalling loads on tiny throttle moment, or on blip of throttle. Requires throttle to start when warm as well. However once running on opening throttle slowly it st...	Archershome	3	1050	Nov 17, 2014 by Archershome
	Advice needed please (Preview) I recently hit a large rock with my bike and it went into my stator cover. There was a hole and it was broke bad. The only thing that saved me from this being a huge expense was the steel engine guard on it from the factory. That guard too a HUGE hit and crushed into the case. It took ALOT of energy and did a grea...	mypobox	3	661	Nov 13, 2014 by PlumasDude
	My baby is back and we are going to have some fun (Preview) im so happy to have her back. Only had one issue. The threads stripped out of the case that hold the lower left chain guard on. It was very soft. Im hoping I can just go up a hair, maybe SAE and get it to bite. Its not lose right now but it will only get worse when I change the front sprocket. Thank you Brian and th...	mypobox	2	533	Nov 13, 2014 by mypobox
	How to lighten an Engine (Preview) How to lighten an Engine after years of fixing motors putting this one under the hacksaw an milling machine even with it being a cheap Honda clone motor just did not feel right. but the kid's get to see what's going on inside and they just don't get to play with this sort of thing at home like we did when we...	pug	8	1056	Nov 11, 2014 by Clutha
	Generator cover needle bearing - do I need this? (Preview) Do I need to reuse this bearing in the new stator cover or does the new c cover come with the bearing installed. I don't see the bearing listed in the parts diagram. Thank you.	mypobox	7	1487	Nov 6, 2014 by mypobox
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