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

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.

RHHogue · RHHogue

I have been having trouble with my ttr since I bought it used. Thought it would be a simple carbeurtor cleaning, but that is not the case. Now I have done so much not sure where to go. Also let me say that I have just basic mechanic skills so I could have messed up on any of the following. symptoms: -high spe...

mypobox · mypobox

I was going through a field of high grass and a huge rock jumped in front of my bike. I was almost able to avoid it but it caught my bike. Ends up being a 200$ mistake I wasn't hurt and the bike will be fine. I just missed my whole day of riding

mypobox · mypobox

So many of the bolts I pull out of the engine have this odd chaulky white powder on them. Is this anti-seize from the factory? or oxidation? Should i use thread lock these or anti seize on these internal engine bolts like the bolts that hold the stator to the cover and the cable holds??

Pendo · Pendo

Hi All Feel like I'm hogging the new threads but have decided to replace the sprag clutch. Pulled off the 'Yamaha Cover' and noticed some small cracks around the base - see very average, out of focus photo. Should I replace the cover?

leigh · leigh

Mine has about 2mm of play in it. Gives a slight clunk when on the bike stand and I lift the swing arm. Can't see it move. I can feel it if I put my fingers around it. Should it have zero play up and down? Cheers Leigh.

TTRfan · TTRfan

Just seen this ad on eBay. Anyone know where it might fit on the TTR???

TTRfan · TTRfan

Excited to get these after many months of waiting! (I lead a sheltered life ) Lathed up for me by a mate now living in France and brought over on today's Roscoff ferry Anyone guess their use???? Brian

Topic		Started By	Replies	Views	Last Post
	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	561	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	3083	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	1298	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	1280	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	1310	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	1110	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	623	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	1624	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	2525	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	448	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	990	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	1109	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	583	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	669	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	797	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	740	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	789	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	1040	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	971	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	601	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	474	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	990	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	1378	Nov 6, 2014 by mypobox
	TTR running rough at high Rpms (Preview) I have been having trouble with my ttr since I bought it used. Thought it would be a simple carbeurtor cleaning, but that is not the case. Now I have done so much not sure where to go. Also let me say that I have just basic mechanic skills so I could have messed up on any of the following. symptoms: -high spe...	RHHogue	14	4347	Nov 4, 2014 by RHHogue
	i went for a nice walk today (Preview) I was going through a field of high grass and a huge rock jumped in front of my bike. I was almost able to avoid it but it caught my bike. Ends up being a 200$ mistake I wasn't hurt and the bike will be fine. I just missed my whole day of riding	mypobox	5	746	Nov 4, 2014 by PlumasDude
	White chalky residue on engine bolts (Preview) So many of the bolts I pull out of the engine have this odd chaulky white powder on them. Is this anti-seize from the factory? or oxidation? Should i use thread lock these or anti seize on these internal engine bolts like the bolts that hold the stator to the cover and the cable holds??	mypobox	2	936	Nov 4, 2014 by mypobox
	Sprag replacement - cracked cover (Preview) Hi All Feel like I'm hogging the new threads but have decided to replace the sprag clutch. Pulled off the 'Yamaha Cover' and noticed some small cracks around the base - see very average, out of focus photo. Should I replace the cover?	Pendo	3	535	Nov 1, 2014 by mypobox
	Lower shock bearing (Preview) Mine has about 2mm of play in it. Gives a slight clunk when on the bike stand and I lift the swing arm. Can't see it move. I can feel it if I put my fingers around it. Should it have zero play up and down? Cheers Leigh.	leigh	4	545	Oct 31, 2014 by leigh
	Clutch Spring Bolt & Washer Kit? (Preview) Just seen this ad on eBay. Anyone know where it might fit on the TTR???	TTRfan	3	435	Oct 30, 2014 by mypobox
	New toys for my toolbox! (Preview) Excited to get these after many months of waiting! (I lead a sheltered life ) Lathed up for me by a mate now living in France and brought over on today's Roscoff ferry Anyone guess their use???? Brian	TTRfan	4	558	Oct 28, 2014 by Padowan
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