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

commanderjjones · commanderjjones

Hey guys. I just picked up an '05 TTR 250 this past Wednesday (so I haven't had a chance to get a manual yet) and have a few questions. I was hoping to ride it tomorrow, but ran across a couple of issues when I started servicing it last night. When I started to clean the air filter, I noticed a couple of hoses a...

TTRfan · TTRfan

Anyone had this? When a mate's TTR gets hot (about 15 miles into a ride) a very loud screech starts in the clutch/gearbox area. The pitch changes as the gears are changed and it happens with the clutch fully engaged. I haven't heard it myself and was unable to replicate the noise when I took the TTR for a ru...

TTRfan · TTRfan

This photo has been added to my Black Museum folder! The current owner popped around tonight to pick up a new 50 pilot jet to replace this one. You just wonder how the previous owner had managed to do this damage Interestingly the TTR started and ran well at lower revs suggesting that the pilot jet con...

Wynand · Wynand

Hi everyone So I recently bought a ttr and the previous owner had the suspension to a very soft setting. This resulted in the rubber at the bottom of the rear shock that prevents the bike from bottoming out (dont know if im explaining it wrong im a newbie) getting quite worn. Yamaha wants to sell me a total...

sena · sena

Hello everyone. my bike restoration project seems becoming a "Winter project in a Tropical country" After cleaning and gently grinding in the valves, I found that exhaust ones are out of specification. I will need to order a new set and cut the valve seats to fit the specs. Then it will b...

peteBLUEttr · peteBLUEttr

Some of the best maintenance guide videos I have come across. Think they may well be handy for some people. May add more to these and perhaps you have suggestions too. [video=http...

TTRfan · TTRfan

See here Very good points! Brian

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...

Topic		Started By	Replies	Views	Last Post
	intake questions (Preview) Hey guys. I just picked up an '05 TTR 250 this past Wednesday (so I haven't had a chance to get a manual yet) and have a few questions. I was hoping to ride it tomorrow, but ran across a couple of issues when I started servicing it last night. When I started to clean the air filter, I noticed a couple of hoses a...	commanderjjones	10	2362	Jan 29, 2016 by commanderjjones
	Screeching noise from gearbox or clutch area? ( 1 2 3 ) (Preview) Anyone had this? When a mate's TTR gets hot (about 15 miles into a ride) a very loud screech starts in the clutch/gearbox area. The pitch changes as the gears are changed and it happens with the clutch fully engaged. I haven't heard it myself and was unable to replicate the noise when I took the TTR for a ru...	TTRfan	102	7666	Jan 28, 2016 by Keith89
	Damaged pilot jet photo (Preview) This photo has been added to my Black Museum folder! The current owner popped around tonight to pick up a new 50 pilot jet to replace this one. You just wonder how the previous owner had managed to do this damage Interestingly the TTR started and ran well at lower revs suggesting that the pilot jet con...	TTRfan	3	612	Jan 28, 2016 by peteBLUEttr
	Rear shock rubber (Preview) Hi everyone So I recently bought a ttr and the previous owner had the suspension to a very soft setting. This resulted in the rubber at the bottom of the rear shock that prevents the bike from bottoming out (dont know if im explaining it wrong im a newbie) getting quite worn. Yamaha wants to sell me a total...	Wynand	4	864	Jan 27, 2016 by Wynand
	Valve seat cutter choice and/or replacement of seats? (Preview) Hello everyone. my bike restoration project seems becoming a "Winter project in a Tropical country" After cleaning and gently grinding in the valves, I found that exhaust ones are out of specification. I will need to order a new set and cut the valve seats to fit the specs. Then it will b...	sena	3	3731	Jan 25, 2016 by TTRfan
	Guide vids. (Preview) Some of the best maintenance guide videos I have come across. Think they may well be handy for some people. May add more to these and perhaps you have suggestions too. [video=http...	peteBLUEttr	0	656	Jan 20, 2016 by peteBLUEttr
	THE TOP 6 CHARACTERISTICS YOU NEED TO HAVE TO REBUILD A MOTORCYCLE ENGINE (Preview) See here Very good points! Brian	TTRfan	1	655	Jan 20, 2016 by peteBLUEttr
	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	2544	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	696	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	3865	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	855	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	1103	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	931	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	1090	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	1093	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	1959	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	1843	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	953	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	602	Dec 23, 2015 by aussiedeuce
	OH NO !!! (Preview) Oh no just found this	Keith89	6	833	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	551	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	489	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	1094	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	1152	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	626	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	671	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	2260	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	947	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	1051	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	958	Dec 3, 2015 by L16MHU
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