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

IdahoGuy · IdahoGuy

Hey all, I'm new to the forums and actually new to owning a TTR. I bought a 99 about a week ago that wouldn't start. It had been sitting for over a year, so I charged the battery and took the carb apart. I cleaned the jets and had to replace the needle valve set due to someone taking it out previously which caus...

Tone · Tone

Hi - can anyone let me know the part no. for the keihin 150 standard round main jet, please?

scotty72 · scotty72

Hi I pick up my 'new' 1995 TTR tomorrow and it has a supertrap exhaust can fitted; I think that this came with it when it was imported to the UK in 2011. It's pretty loud and I was wondering how best to quieten it as second hand genuine cans seem to be like hens teeth. I understand that you can play around (te...

Dullthud · Dullthud

Fancy a sit down when you get there? Got it off E-bay. No fiddling. It just fits. Fiver. Andy

Michael TTR250 · Michael TTR250

Hi guys, Wanting to lower a bit (bike a tad to tall, or ok rider too short) and looks like the 2" lowering link and a seat shave might be the solution. Had a look but can't see a pictorial guide or youtube video for a TTR250, can anyone point me in the direction of one? Cheers,

grandad · grandad

oops Ive got a bent exhaust valve, Help !!! after being away for a while I finally got round to fitting my starter motor, wonderful worked a treat bike fired up then died, pressed starter again, starter working engine isn't, plug out check compression, absolutely none, took valve cover off and check...

stou · stou

hi guys, my '94 ttr has a sensor problem so i decided to fix it after 6months without any signal.. i wander if any hall sensor (that i could fit in any way) coul do the job. Because i live in greece and i found sensors(very similar to the ttr's) with 18 euros which is quite affordable... I would also like to ch...

Capitalcrew · Capitalcrew

Hey there. I recently got a ttr250 from a friend that has been sitting, i replaced the diaphragm, the two orings next to it, the seal for the float bowl, cleaned the jets, cleaned the little hole from the diaphragm into the float bowl, cleaned the routes to the side cover and the jet into the carb from ther...

nwrider · nwrider

i keep blowing up rear tailights, not the brake light but the constant light. i tried some leds but they only are on constant, no brake light. the led seller said maybe not enough amps to the tail light but i dont know electrics. why would i keep going thru brake lights, and the other question is why wont...

ttr250slw · ttr250slw

I took my bike out to warwick and had some fun on trails and state forest fire trails and on the dirt roads I found my bike cutting out at 90kmh dead on and gaining power again at 85 dead on without fail I was wondering if anyone has any ideas Its a 2005 4gy Its really weird but it revs fine in all gears then at 90...

Michael TTR250 · Michael TTR250

Hi Guys, While the front wheel was off on my 99 model TTR250 (getting a new tire) I removed the white plastic wind/hand guards then fitted a new brake lever and a set of 2nd hand set of bark busters which involved some "persuading" with a rubber mallet as one of the ends that goes inside...

Mike Wright · Mike Wright

My bike was running rough and lacked power so it was time to sort it. When I bought the bike it always felt like it was not running properly although Ive not had it long. In the low gears it would pull ok but not correctly, and when in mid revs would surge and lack any constant power delivery. Top didn’t rea...

Michael TTR250 · Michael TTR250

Hi Guys, Need to loosen my rear axle nut to adjust my chain and the biggest socket I have is 21mm which is to small. I am about to head out to buy a bigger one and was hoping someone can confirm the size for me, it looks a 23mm would do it. Thanks, Michael

hags · hags

Hi I'm new to the forum. 'Inherited' a 93' ttr250 recently, gave it a once over & headed bush. Rode for nearly 2 hours, goin great, then bogged down & stalled goin up a hill (yeah, pretty rusty on the dirt bike) in the process of tryin to turn bike around on the hill, left it in gear & used clutch...

domox · domox

Hello everyone, long time lurker of this forum but now I have a question so I decided to make an account. The left hand rear indicator bracket on my 2004 TTR has snapped as shown in pictures below. I looked online and cannot find any replacement parts on eBay. I did email a Yamaha part supplier who told m...

uteman · uteman

The very rough 2009 that I purchased is starting to look quite respectable as I have just re-installed the overhauled and painted engine. Now I have some questions re hoses to and from the carby. First relates to the photo that I will post with this topic. Questions contained within the photo and what I...

figaryttr250 · figaryttr250

i got a 2001 ttr250 and i left it out in the rain like a dumb ass and got water into the cylinder. So i just got all of the water out and was joyed to find out it ran. whent to take it for a test ride(just around my yard) and left the choke on. took the choke off and let it idled for about 2 mins put it in gear let out the...

grandad · grandad

I noticed when I took the tank off a hole on top of the carb manifold pipe, to me it looks like someone has cut something off as the hole is nice and round, should there be a pipe or something connected to it, I'm a bit conserned that water might get into it and into the engine

scotty72 · scotty72

Hi All I have just back from my first trail riding ride and it was bl@@dy great fun! However...i managed to flip her . Her arse in now banana shaped . I have looked at the sub frame and looking from the rear it is bent and possibly has a crack. On the left side, from rear, there appears to be a bolt holding i...

scotty72 · scotty72

Hi Today I rode for about 15miles and the bike spluttered as though the fuel was running out and I needed to switch to reserve, I did this which seemed to solve the "issue' however the bike died about a quarter of a mile later. I then had to push it for a few mins as it would not re start. After trying agai...

Aussie Paul · Aussie Paul

On the exhaust side. Side cover and battery cover there is a silver sticky tape shielding protecting the plastic from melting.. Sort of like the material Dr smiths space suit was made of in the show lost in space. Without going to Mr Yamaha and paying a fortune, is there anything you guys have used to giv...

TTRfan · TTRfan

I bought a few crates of TTR parts last week and in amongst them was this generator cover. I have chipped off the Chemical Metal so that the damage is obvious. Got to be about the worst I have seen

TTRfan · TTRfan

Front disc guard Front disc guard had been sold with the option fork cover on the right side. By the way, the part number is 4GY-W0749-00. Stop band clamp to the fork and bolted axle shaft disc guard, fork cover is a clamp banded in two places in the fork. In order to secure the band to the fork meter cabl...

YAMA-HAHA · YAMA-HAHA

Tale of Two TTR's ....Read On only if you're interested in height issues or general clues about buying bikes. (comments or tips welcome..i'm still learning) As a TTR enthusiast i have ended up with two of them. A 2002 and a 2006. The newer bike is the latest addition and had done only 1600 km's when i boug...

pekkal · pekkal

-- Edited by pekkal on Monday 10th of June 2013 06:00:54 AM

TerryK · TerryK

This would have been asked before I guess but here goes. What engine oil seems to work in the TTR ? I had been using a racing 4T (maxima) oil in the XR & never had a problem, been thinking about a semi Syn oil 10w 40, I'm using the same in my Triumph's but they ask for a semi syn oil so I'm using 10w 40 Maxima. ...

grandad · grandad

Some times when I turn the ignition on and press the starter button nothing happens except a clicking noise, which I presume is the solanoid throw in, if I put in gear and turn the engine over pull in the clutch and press the botton it fires up, It doesent do it all the time, ut too often for my liking.

Lin · Lin

My 2010 TTR250 lives in the Philippines and I fly there from New Zealand every holidays. My brother who lives there also owns an identical bike and we do a lot of trail riding and long distance riding. Returning to NZ last year I had left my bike in storage. Unfortunately a flash flood occurred in Febru...

Nomada_Firefox · Nomada_Firefox

Hi, I would like know if anybody have found a solution for fix all the mud entering the front sprocket cover. My TTR250 has not digital speedometer and for me, it is the worse bad feature from the TTR. The mud enter around the front sprocket and it can break the chain easily, it has happened to me two times...

whoosher · whoosher

Just cleaned plug it is running rich how do adjust mixture ?

Topic		Started By	Replies	Views	Last Post
	Weird Sputtering Problem (Preview) Hey all, I'm new to the forums and actually new to owning a TTR. I bought a 99 about a week ago that wouldn't start. It had been sitting for over a year, so I charged the battery and took the carb apart. I cleaned the jets and had to replace the needle valve set due to someone taking it out previously which caus...	IdahoGuy	11	3105	Jul 4, 2013 by Camoracer34
	Keihin main jet part number (Preview) Hi - can anyone let me know the part no. for the keihin 150 standard round main jet, please?	Tone	7	642	Jul 4, 2013 by Cubber
	Supertrap exhausts.. (Preview) Hi I pick up my 'new' 1995 TTR tomorrow and it has a supertrap exhaust can fitted; I think that this came with it when it was imported to the UK in 2011. It's pretty loud and I was wondering how best to quieten it as second hand genuine cans seem to be like hens teeth. I understand that you can play around (te...	scotty72	8	1219	Jul 3, 2013 by Fladdem
	Why are number plate bolts so long? (Preview) Fancy a sit down when you get there? Got it off E-bay. No fiddling. It just fits. Fiver. Andy	Dullthud	2	328	Jul 2, 2013 by JDM_stig
	2" lowering link - any pictorial guide available? (Preview) Hi guys, Wanting to lower a bit (bike a tad to tall, or ok rider too short) and looks like the 2" lowering link and a seat shave might be the solution. Had a look but can't see a pictorial guide or youtube video for a TTR250, can anyone point me in the direction of one? Cheers,	Michael TTR250	11	2462	Jul 2, 2013 by Michael TTR250
	bent exaust valve (Preview) oops Ive got a bent exhaust valve, Help !!! after being away for a while I finally got round to fitting my starter motor, wonderful worked a treat bike fired up then died, pressed starter again, starter working engine isn't, plug out check compression, absolutely none, took valve cover off and check...	grandad	13	986	Jul 2, 2013 by Cubber
	speedo sensor problem (Preview) hi guys, my '94 ttr has a sensor problem so i decided to fix it after 6months without any signal.. i wander if any hall sensor (that i could fit in any way) coul do the job. Because i live in greece and i found sensors(very similar to the ttr's) with 18 euros which is quite affordable... I would also like to ch...	stou	2	933	Jul 1, 2013 by stou
	Bike isn't pulling fuel (Preview) Hey there. I recently got a ttr250 from a friend that has been sitting, i replaced the diaphragm, the two orings next to it, the seal for the float bowl, cleaned the jets, cleaned the little hole from the diaphragm into the float bowl, cleaned the routes to the side cover and the jet into the carb from ther...	Capitalcrew	8	779	Jun 30, 2013 by Aussie Paul
	rear light (Preview) i keep blowing up rear tailights, not the brake light but the constant light. i tried some leds but they only are on constant, no brake light. the led seller said maybe not enough amps to the tail light but i dont know electrics. why would i keep going thru brake lights, and the other question is why wont...	nwrider	19	2529	Jun 30, 2013 by nwrider
	speed limiter? (Preview) I took my bike out to warwick and had some fun on trails and state forest fire trails and on the dirt roads I found my bike cutting out at 90kmh dead on and gaining power again at 85 dead on without fail I was wondering if anyone has any ideas Its a 2005 4gy Its really weird but it revs fine in all gears then at 90...	ttr250slw	7	1666	Jun 24, 2013 by Phil
	Can anyone identify where this spring is from?? (Preview) Hi Guys, While the front wheel was off on my 99 model TTR250 (getting a new tire) I removed the white plastic wind/hand guards then fitted a new brake lever and a set of 2nd hand set of bark busters which involved some "persuading" with a rubber mallet as one of the ends that goes inside...	Michael TTR250	4	803	Jun 23, 2013 by YAMA-HAHA
	Rough running-No Mid range power-Bogs Down in top- PROBLEM FIXED (Preview) My bike was running rough and lacked power so it was time to sort it. When I bought the bike it always felt like it was not running properly although Ive not had it long. In the low gears it would pull ok but not correctly, and when in mid revs would surge and lack any constant power delivery. Top didn’t rea...	Mike Wright	7	3992	Jun 19, 2013 by TT-R250M
	rear axle nut size (Preview) Hi Guys, Need to loosen my rear axle nut to adjust my chain and the biggest socket I have is 21mm which is to small. I am about to head out to buy a bigger one and was hoping someone can confirm the size for me, it looks a 23mm would do it. Thanks, Michael	Michael TTR250	5	2177	Jun 16, 2013 by TT-R250M
	Rolled backwards, now wont run. (Preview) Hi I'm new to the forum. 'Inherited' a 93' ttr250 recently, gave it a once over & headed bush. Rode for nearly 2 hours, goin great, then bogged down & stalled goin up a hill (yeah, pretty rusty on the dirt bike) in the process of tryin to turn bike around on the hill, left it in gear & used clutch...	hags	20	1525	Jun 13, 2013 by TT-R250M
	Snapped indicator brackets. How should I fix? indicator bracket snap (Preview) Hello everyone, long time lurker of this forum but now I have a question so I decided to make an account. The left hand rear indicator bracket on my 2004 TTR has snapped as shown in pictures below. I looked online and cannot find any replacement parts on eBay. I did email a Yamaha part supplier who told m...	domox	3	1406	Jun 13, 2013 by domox
	Questions re hoses to/from carby (Preview) The very rough 2009 that I purchased is starting to look quite respectable as I have just re-installed the overhauled and painted engine. Now I have some questions re hoses to and from the carby. First relates to the photo that I will post with this topic. Questions contained within the photo and what I...	uteman	6	1634	Jun 13, 2013 by TT-R250M
	wont stay running or rev ttr250 wont run wont idle (Preview) i got a 2001 ttr250 and i left it out in the rain like a dumb ass and got water into the cylinder. So i just got all of the water out and was joyed to find out it ran. whent to take it for a test ride(just around my yard) and left the choke on. took the choke off and let it idled for about 2 mins put it in gear let out the...	figaryttr250	2	509	Jun 11, 2013 by TT-R250M
	hole (Preview) I noticed when I took the tank off a hole on top of the carb manifold pipe, to me it looks like someone has cut something off as the hole is nice and round, should there be a pipe or something connected to it, I'm a bit conserned that water might get into it and into the engine	grandad	7	519	Jun 11, 2013 by TT-R250M
	HELP! Can the subframe be unbolted and replaced on a ttr? (Preview) Hi All I have just back from my first trail riding ride and it was bl@@dy great fun! However...i managed to flip her . Her arse in now banana shaped . I have looked at the sub frame and looking from the rear it is bent and possibly has a crack. On the left side, from rear, there appears to be a bolt holding i...	scotty72	19	1870	Jun 8, 2013 by TT-R250M
	cutting out.. (Preview) Hi Today I rode for about 15miles and the bike spluttered as though the fuel was running out and I needed to switch to reserve, I did this which seemed to solve the "issue' however the bike died about a quarter of a mile later. I then had to push it for a few mins as it would not re start. After trying agai...	scotty72	6	968	Jun 7, 2013 by TTRfan
	Heat shield (Preview) On the exhaust side. Side cover and battery cover there is a silver sticky tape shielding protecting the plastic from melting.. Sort of like the material Dr smiths space suit was made of in the show lost in space. Without going to Mr Yamaha and paying a fortune, is there anything you guys have used to giv...	Aussie Paul	2	318	Jun 4, 2013 by TTRfan
	What a worn sprag can do! (Preview) I bought a few crates of TTR parts last week and in amongst them was this generator cover. I have chipped off the Chemical Metal so that the damage is obvious. Got to be about the worst I have seen	TTRfan	7	704	Jun 3, 2013 by Cubber
	Original Yamaha f&r disc and fork guards or protectors - part #s found on Japanese website! (Preview) Front disc guard Front disc guard had been sold with the option fork cover on the right side. By the way, the part number is 4GY-W0749-00. Stop band clamp to the fork and bolted axle shaft disc guard, fork cover is a clamp banded in two places in the fork. In order to secure the band to the fork meter cabl...	TTRfan	0	734	Jun 2, 2013 by TTRfan
	Two TTR's..Both Blue OE - Not Same Bike heights Dunlop 605 vs. 606. Buyer beware. Tyre pressure. (Preview) Tale of Two TTR's ....Read On only if you're interested in height issues or general clues about buying bikes. (comments or tips welcome..i'm still learning) As a TTR enthusiast i have ended up with two of them. A 2002 and a 2006. The newer bike is the latest addition and had done only 1600 km's when i boug...	YAMA-HAHA	15	1124	May 31, 2013 by YAMA-HAHA
	What can make valve clearance grow? (a.k.a How to kill a perfectly good engine...) (Preview) -- Edited by pekkal on Monday 10th of June 2013 06:00:54 AM	pekkal	4	1211	May 29, 2013 by TT-R250M
	Engine oil for the TTR (Preview) This would have been asked before I guess but here goes. What engine oil seems to work in the TTR ? I had been using a racing 4T (maxima) oil in the XR & never had a problem, been thinking about a semi Syn oil 10w 40, I'm using the same in my Triumph's but they ask for a semi syn oil so I'm using 10w 40 Maxima. ...	TerryK	1	3973	May 27, 2013 by TT-R250M
	STARTING PROBLEM ( help ) (Preview) Some times when I turn the ignition on and press the starter button nothing happens except a clicking noise, which I presume is the solanoid throw in, if I put in gear and turn the engine over pull in the clutch and press the botton it fires up, It doesent do it all the time, ut too often for my liking.	grandad	8	706	May 24, 2013 by TTRfan
	DROWNED ( 1 2 ) (Preview) My 2010 TTR250 lives in the Philippines and I fly there from New Zealand every holidays. My brother who lives there also owns an identical bike and we do a lot of trail riding and long distance riding. Returning to NZ last year I had left my bike in storage. Unfortunately a flash flood occurred in Febru...	Lin	72	12657	May 24, 2013 by Lin
	Too much mud into the front sprocket, any solution? ( 1 2 ) (Preview) Hi, I would like know if anybody have found a solution for fix all the mud entering the front sprocket cover. My TTR250 has not digital speedometer and for me, it is the worse bad feature from the TTR. The mud enter around the front sprocket and it can break the chain easily, it has happened to me two times...	Nomada_Firefox	92	15475	May 22, 2013 by TTRfan
	Running rich (Preview) Just cleaned plug it is running rich how do adjust mixture ?	whoosher	1	792	May 21, 2013 by TT-R250M
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