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

Serial · Serial

Plz anyone got any idea where fuel mixture srcew is on the carb? When i open full throttle i m facing some engine jumble... i have aftermarket exhaust...and never befrore tried to adjust the carb...i think thats the problem...the fuel mixture is very rich-poor or something similar... ps:i already...

Zach · Zach

Hi can anyone confirm the size of tyres for my TTR250. I want to fit MT43s for the LE trial. Thanks Zach

MikeBarnacle · MikeBarnacle

this is probably a subject others have covered I could do with a bit of help. just picked up a ttr but she won't start, starter motor turns. But the engine doesn't crank. The last owner said that the guy he got it off had had the bike in bits but didnt say to what extent. Fuel flows fine when in reserve but no...

Moo · Moo

I recently installed some of the venhill long throttle cables, and my throttle now sticks and won't snap back. The issue lies somewhere with the hand control, as when I pull the cables on their own, it all snaps back fine. If I install just the pull cable, all is fine... If I install just the push cable.....

Coast rider · Coast rider

OK a quick question what inner tube repair patches \ kits do people carry when green laning in UK I'll carry a spare front tube but 2 punctures isn't out of he bounsd of possibility I won't be fitting mouse's and can't afford TuBliss yet brand names would be useful cheers N

JOHNYBOY · JOHNYBOY

has anyone tried these small cylinders to blow up tyres how do they fit on the valve & wheres the best & cheapest place to buy them ive seen some & the thread is on the outside so how does this fit on valve

basher · basher

i was changing the oil and found the bike had a washable metal mesh oil filter, i had the wrong filter sent so cleaned it and stuck it back in, are these any good? I can see the benefits for touring where you only need to find oil but i would thinkna standard filter would catch smaller particles

pug · pug

So man caves 0ver the years playing with bikes Trikes an Cars and from a small corner of my old mans home workshop an my first bent spanners I have worked my way up to a nice setup man cave. pic's are 4-5 years old and have packed in a bit more kit in that time but when tidy it looks a little like this an I can i...

sk84lajf · sk84lajf

hello guys ,,my bike blew a fuse while riding and when i changed the fuse the clutch switch and the stand switch started functioning (when i bought the bike the clutch switch and side stand switch were'nt functioning ** the bike started without clutch pulled in and with side stand don ) ...now the bike...

apw99 · apw99

Hi, I jsut got a 93 TTR two weeks ago and I'm doing a few jobs on it, well a few jobs in fact! One thing is it has a 'TwinAir' air filter which looks in good condition but is dripping with a blue oil. Is this filter oil? If so is it over-oiled? Can I clean the filter and if so how? Any help appreciated Thanks! APW

aussiedeuce · aussiedeuce

Hi all, I've got the bike stripped-down at the moment after a close call out bush caused by the carby. On my first real ride no less. Thirty seconds into it. Anyway I was wondering if anyone had any suggestions about what I should be looking for or fixing /modifying while I have the bike apart? Cheers...

aussiedeuce · aussiedeuce

Hi all, Just looking behind my headlight shroud and it has me wandering if the speedo is the original or not. Any thoughts? CHEERS.

Keith89 · Keith89

Oh no just found this

basher · basher

Ours needs a rebuild, is there one off another bike that would be considered an upgrade? Or is a rebuild a better idea, also I have read somewhere the enduro version has a higher seat height is this due to the suspension or just the seat? a bit more height wouldn't go a miss and if it's only a change of linkag...

Moo · Moo

The carb rubber between the engine and manifold is starting to leak. Anyone know where I can get another?

jpv7774 · jpv7774

Hello all, I have 3 questions for ya. I prefer the looks of a black seat on my blue bike. I have used vinyl paint on boat cushions before with good success. Has anyone tried this on their TTR seat? Tried to paint the blue seat black that is.... :) Question number 2 My air filter cover has 3 points of clos...

MikeBarnacle · MikeBarnacle

Ok so am wondering what you guys think, the TTR is in need an MOT to get her back on the road but I am unsure what other work she needs to get her "road" safe. (Bar bearing on the rear wheel) Do you think I should MOT her knowing there's a couple of potential issues or do I fix those first and then MO...

jpv7774 · jpv7774

My TTR had a popping cough prior to a carb rebuild and some other minor maint. Pretty much all of the popping cough is gone but I am still hearing a pop and tick while the bike is turned off and cooling down.....sort of like a car does after a drive on a hot summer day. Is this normal?

TTRfan · TTRfan

If you spend a bit of time in the workshop then you might find some of Matt's vids and blogs interesting. See hereHe covers a wide range from rebuilding a shock to repairing workshop tools.TTR

Markvan · Markvan

Starter motor is from a blown motor TTR i got so it couldnt be tested. Teeth are worn bad on one side. Would this still work ok . Havnt pulled apart motor any further as yet to see if other cogs are worn also. Thnx. -- Edited by Markvan on Sunday 6th of December 2015 01:33:29 AM

L16MHU · L16MHU

Hi I have torn for gaitors and I would like to replace for purple ones but can't use mine for mesurnents and not intact does anyone know what suse I need

66T · 66T

Hullo all. I realise this is the reverse to the usual 'upgrade', but does anyone know what the rating of standard weight fork springs is? I've got heavier ones fitted, and as I get older and thus even slower, I need to go back to standard. I'll also be working in some rocky country next year, so plush is ver...

L16MHU · L16MHU

Hi guys. So when I brought my ttr is has the oko 34mm flat side fitted, when I brought the bike it was perfecr around 40 miles into the ride home the bike started to run away with its self and idle fast at traffic lights , I made it home none the less, I put the bike away in the back cornor of my garage and a week...

Markvan · Markvan

I thought i made a tool but was thinking as i tried to loosen the nut should i have tried harder and made a better tool. Well snap goes the stud. Its on a TTR motor thats being wrecked but i still dont like breaking anything. I seen the photos of other home made basket removers , but guess i was to lazy to try and...

L16MHU · L16MHU

Hi after my post yesterday I found the problem wasn't the spragg clutch it was the woodruff key was snapped is this a common problem? Does anyone know the size?? I tried buying from ttr shop but can't pay by debit card and they seem a bit pricey

Moo · Moo

Does anybody know if the standard linkage seals fit into the kouba link? Seals have fallen apart and need replacing

L16MHU · L16MHU

hi, had a bit of a problem with my ttr today, only the second time i have ridden it after a hour of getting out the garage as evryone i share with parked like a a**h**e, the guy i brought the bike from had been using it evryday so i wasnt suprised it had a flat battry after a week, not a problem i thought so u...

NiftyFifty · NiftyFifty

I'm increasingly using my TTR250 on the road (90% on and 10% off) and it's time to change to a more road biased tyre. There's loads written regarding off road tyres but far less about on road ones. From what I can make out the 'best' size seems to be 90/90 21 and 100/100 18 and maybe Pirelli Scorpions/Con...

apw99 · apw99

hi folks, I need to replace the bump-stop on my rear shock. i have the spring off, which i am re-painting and need to take off the bottom mounts in order to fit the bump-stop. Looking at old threads which are more focused on total rebuilds I see that the shock stem can be held with a vice or pipe-wrench with s...

Hustler · Hustler

Does anyone happen to know if the purple / blue colour can be removed from the wheel rims of the OE model ? How can it be done and what would it leave underneath ? Would it leave a nice clear alloy colour ? Or would it be easier to try and find a couple of secondhand wheels from a Y2K model ? Any other alternative...

Topic		Started By	Replies	Views	Last Post
	Trying to adjust my Carburator (Preview) Plz anyone got any idea where fuel mixture srcew is on the carb? When i open full throttle i m facing some engine jumble... i have aftermarket exhaust...and never befrore tried to adjust the carb...i think thats the problem...the fuel mixture is very rich-poor or something similar... ps:i already...	Serial	3	2388	Jan 18, 2016 by TTRfan
	Tyres for LE trial (Preview) Hi can anyone confirm the size of tyres for my TTR250. I want to fit MT43s for the LE trial. Thanks Zach	Zach	6	664	Jan 14, 2016 by Zach
	Starting issue. With you tube video to help ( 1 2 ) (Preview) this is probably a subject others have covered I could do with a bit of help. just picked up a ttr but she won't start, starter motor turns. But the engine doesn't crank. The last owner said that the guy he got it off had had the bike in bits but didnt say to what extent. Fuel flows fine when in reserve but no...	MikeBarnacle	70	3757	Jan 13, 2016 by peteBLUEttr
	Throttle Snap Back Issue (Preview) I recently installed some of the venhill long throttle cables, and my throttle now sticks and won't snap back. The issue lies somewhere with the hand control, as when I pull the cables on their own, it all snaps back fine. If I install just the pull cable, all is fine... If I install just the push cable.....	Moo	2	825	Jan 12, 2016 by Moo
	Tube\Tyre repair kits? (Preview) OK a quick question what inner tube repair patches \ kits do people carry when green laning in UK I'll carry a spare front tube but 2 punctures isn't out of he bounsd of possibility I won't be fitting mouse's and can't afford TuBliss yet brand names would be useful cheers N	Coast rider	13	1078	Jan 12, 2016 by TTRfan
	punctures (Preview) has anyone tried these small cylinders to blow up tyres how do they fit on the valve & wheres the best & cheapest place to buy them ive seen some & the thread is on the outside so how does this fit on valve	JOHNYBOY	3	899	Jan 10, 2016 by pug
	Mesh oil filters (Preview) i was changing the oil and found the bike had a washable metal mesh oil filter, i had the wrong filter sent so cleaned it and stuck it back in, are these any good? I can see the benefits for touring where you only need to find oil but i would thinkna standard filter would catch smaller particles	basher	4	1025	Jan 3, 2016 by petenz
	Man cave do you have one let's see it (Preview) So man caves 0ver the years playing with bikes Trikes an Cars and from a small corner of my old mans home workshop an my first bent spanners I have worked my way up to a nice setup man cave. pic's are 4-5 years old and have packed in a bit more kit in that time but when tidy it looks a little like this an I can i...	pug	12	1057	Dec 31, 2015 by aussiedeuce
	fuse problem (Preview) hello guys ,,my bike blew a fuse while riding and when i changed the fuse the clutch switch and the stand switch started functioning (when i bought the bike the clutch switch and side stand switch were'nt functioning ** the bike started without clutch pulled in and with side stand don ) ...now the bike...	sk84lajf	8	1915	Dec 29, 2015 by sk84lajf
	Cleaning 'Twin-Air' Air filter (Preview) Hi, I jsut got a 93 TTR two weeks ago and I'm doing a few jobs on it, well a few jobs in fact! One thing is it has a 'TwinAir' air filter which looks in good condition but is dripping with a blue oil. Is this filter oil? If so is it over-oiled? Can I clean the filter and if so how? Any help appreciated Thanks! APW	apw99	7	1800	Dec 24, 2015 by aussiedeuce
	WHILE I'M AT IT....? (Preview) Hi all, I've got the bike stripped-down at the moment after a close call out bush caused by the carby. On my first real ride no less. Thirty seconds into it. Anyway I was wondering if anyone had any suggestions about what I should be looking for or fixing /modifying while I have the bike apart? Cheers...	aussiedeuce	14	917	Dec 24, 2015 by aussiedeuce
	IS THIS ORIGINAL EQUIPMENT? (Preview) Hi all, Just looking behind my headlight shroud and it has me wandering if the speedo is the original or not. Any thoughts? CHEERS.	aussiedeuce	3	576	Dec 23, 2015 by aussiedeuce
	OH NO !!! (Preview) Oh no just found this	Keith89	6	805	Dec 22, 2015 by pug
	Rear shock (Preview) Ours needs a rebuild, is there one off another bike that would be considered an upgrade? Or is a rebuild a better idea, also I have read somewhere the enduro version has a higher seat height is this due to the suspension or just the seat? a bit more height wouldn't go a miss and if it's only a change of linkag...	basher	0	524	Dec 21, 2015 by basher
	Carb rubbers. (Preview) The carb rubber between the engine and manifold is starting to leak. Anyone know where I can get another?	Moo	2	462	Dec 20, 2015 by TTRfan
	3 easy questions......vinyl paint my seat? Help with air filter cover not engaging...bike skids when downshifting (Preview) Hello all, I have 3 questions for ya. I prefer the looks of a black seat on my blue bike. I have used vinyl paint on boat cushions before with good success. Has anyone tried this on their TTR seat? Tried to paint the blue seat black that is.... :) Question number 2 My air filter cover has 3 points of clos...	jpv7774	8	1060	Dec 18, 2015 by Bsturkie
	MOT or not MOT, that is the question (Preview) Ok so am wondering what you guys think, the TTR is in need an MOT to get her back on the road but I am unsure what other work she needs to get her "road" safe. (Bar bearing on the rear wheel) Do you think I should MOT her knowing there's a couple of potential issues or do I fix those first and then MO...	MikeBarnacle	11	1124	Dec 16, 2015 by Keith89
	Does yout TTR pop at all while off and cooling down? (Preview) My TTR had a popping cough prior to a carb rebuild and some other minor maint. Pretty much all of the popping cough is gone but I am still hearing a pop and tick while the bike is turned off and cooling down.....sort of like a car does after a drive on a hot summer day. Is this normal?	jpv7774	2	593	Dec 14, 2015 by leigh
	Useful repair videos and blogs! (Preview) If you spend a bit of time in the workshop then you might find some of Matt's vids and blogs interesting. See hereHe covers a wide range from rebuilding a shock to repairing workshop tools.TTR	TTRfan	0	643	Dec 8, 2015 by TTRfan
	Starter motor teeth , idler gear teeth , sprag clutch (Preview) Starter motor is from a blown motor TTR i got so it couldnt be tested. Teeth are worn bad on one side. Would this still work ok . Havnt pulled apart motor any further as yet to see if other cogs are worn also. Thnx. -- Edited by Markvan on Sunday 6th of December 2015 01:33:29 AM	Markvan	9	2194	Dec 7, 2015 by Markvan
	Fork gaitor tear/ what size/ purple replacement (Preview) Hi I have torn for gaitors and I would like to replace for purple ones but can't use mine for mesurnents and not intact does anyone know what suse I need	L16MHU	1	919	Dec 6, 2015 by Cubber
	Standard weight fork springs (Preview) Hullo all. I realise this is the reverse to the usual 'upgrade', but does anyone know what the rating of standard weight fork springs is? I've got heavier ones fitted, and as I get older and thus even slower, I need to go back to standard. I'll also be working in some rocky country next year, so plush is ver...	66T	2	1018	Dec 6, 2015 by 66T
	Oko 34mm carb , fast idle carb setup help! (Preview) Hi guys. So when I brought my ttr is has the oko 34mm flat side fitted, when I brought the bike it was perfecr around 40 miles into the ride home the bike started to run away with its self and idle fast at traffic lights , I made it home none the less, I put the bike away in the back cornor of my garage and a week...	L16MHU	2	920	Dec 3, 2015 by L16MHU
	Clutch basket bolt broke (Preview) I thought i made a tool but was thinking as i tried to loosen the nut should i have tried harder and made a better tool. Well snap goes the stud. Its on a TTR motor thats being wrecked but i still dont like breaking anything. I seen the photos of other home made basket removers , but guess i was to lazy to try and...	Markvan	2	522	Dec 2, 2015 by Markvan
	Woodruff key size for flywheel? (Preview) Hi after my post yesterday I found the problem wasn't the spragg clutch it was the woodruff key was snapped is this a common problem? Does anyone know the size?? I tried buying from ttr shop but can't pay by debit card and they seem a bit pricey	L16MHU	3	671	Nov 30, 2015 by L16MHU
	Kouba Lowering Link Rubber Seal Replacement... (Preview) Does anybody know if the standard linkage seals fit into the kouba link? Seals have fallen apart and need replacing	Moo	5	957	Nov 30, 2015 by Moo
	riding bike dies and now starter clutch dosent engage (Preview) hi, had a bit of a problem with my ttr today, only the second time i have ridden it after a hour of getting out the garage as evryone i share with parked like a ahe, the guy i brought the bike from had been using it evryday so i wasnt suprised it had a flat battry after a week, not a problem i thought so u...	L16MHU	6	798	Nov 29, 2015 by L16MHU
	Road biased tyre size and recommendation? (Preview) I'm increasingly using my TTR250 on the road (90% on and 10% off) and it's time to change to a more road biased tyre. There's loads written regarding off road tyres but far less about on road ones. From what I can make out the 'best' size seems to be 90/90 21 and 100/100 18 and maybe Pirelli Scorpions/Con...	NiftyFifty	3	762	Nov 24, 2015 by peteBLUEttr
	Shock absorbor question (Preview) hi folks, I need to replace the bump-stop on my rear shock. i have the spring off, which i am re-painting and need to take off the bottom mounts in order to fit the bump-stop. Looking at old threads which are more focused on total rebuilds I see that the shock stem can be held with a vice or pipe-wrench with s...	apw99	4	685	Nov 24, 2015 by apw99
	Removing the purple from the rims question (Preview) Does anyone happen to know if the purple / blue colour can be removed from the wheel rims of the OE model ? How can it be done and what would it leave underneath ? Would it leave a nice clear alloy colour ? Or would it be easier to try and find a couple of secondhand wheels from a Y2K model ? Any other alternative...	Hustler	13	1138	Nov 22, 2015 by peteBLUEttr
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