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

99ttr250 · 99ttr250

Guys, I acquired a 99 ttr 250 that needs a lot of attention. It appears the rod bearing burnt up and there is all kinds of metal shavings in the oil. I have been working on tearing down the engine. I was trying to take the rotor off without the sheath holder and the monkey wrench I was using dug into the met...

TonyB479 · TonyB479

This is my first tech question here as I just purchased my bike, the top end was disassembled when I purchased it and all of the parts were there with the exception of the tensioner. I purchased a manual one from ebay and it came with a generic instruction in the packet that says remove the chain guide bef...

Tommy the cat · Tommy the cat

Hey guys, I'm pretty new to working on bikes but im learning and NOT going to pay anyone to work on it unless I really have to..... but I've got a oil seep by the the exhaust manifold??, It's not alot but enough for me to want to fix it. I know it's vague but was wondering your thought on possible causes?? I've...

leigh · leigh

Hi Guys, Need new rear sprocket bolts. Bought a second set of rims and replaced the rear sprocket. The bolt heads and nuts were fairly stuffed but I got them off and back on again. Happy with how they did up and used locktite. However I am now thinking I probably should have used new ones and stop being so...

yamaha42 · yamaha42

Hi forum! I didn't want to threadjack the-dirty-commuter's thread so I shall start another topic. Same issue as him. I took my valve cover off, and checked the clearances. All were within spec. The chain worried me a little bit though...if i pushed on the chain in between the cams hard ( not exactly sur...

Tommy the cat · Tommy the cat

I'm guessing for a sat nav or charging or something? ? Ta

Tommy the cat · Tommy the cat

I'm guessing the previous owner wasn't quite as bothered about cleaning it as me???its getting there slowly and I'm really enjoying it!!My only concern now is the sprag clutch.... just hard to tell from the posted vids if it needs addressing? ??I guess I could have a look see??? If I posted pics of vari...

chris · chris

hi, what's the story with the white (and blue I think too) fork axle clamp? The Haynes manual section 5C-7 has an illustration 4.33 which has the clamp marked number 23 and unhelpfully doesn't even name number 23 in the key. My friend thinks you should tighten the top 2 nuts first about 5ft/lb torque the...

TTRfan · TTRfan

My heart sinks when removing engine side covers if the gasket needs replacing It happened tonight with a generator cover I was fitting. I use a Stanley knife blade to cut/scrape the old gasket off. If anyone has a better system please let me know! Gasket remover doesn't touch it. 40 minutes later As I...

admbnm · admbnm

hi,i bought an open enduro a week ago and it has lived in my van until yesterday when my insurace started, ,it started first press of the starter and i rode for about 7kms[lights on],after returning to the bike after an hour the battery was as dead as a dodo,i charged it up last night with a smart charger...

Tommy the cat · Tommy the cat

Noticed an intermittent fault on the front brake switch can you get the whole caboodle, ?? I'm sure having g some fun finding my way around the bike....

Archershome · Archershome

Hi all following on from last post here is a video of bike running with the funny rattle... Anyone name that tune? Or Rattle? Cheers Danny

DukeNinja · DukeNinja

Hi guys, I would be grateful for some assistance in troubleshooting some issues with my bike. I bought it a couple of weeks ago from a chap on here, and it started fine then. However, it now seems hard to get started. It also dies after a while with the fuel tap o. The "on" position, but seems to w...

poopoo_pa_choo · poopoo_pa_choo

New to this site and bikes in general so go easy :) I put my ttr250 on its side the other night to repair the clutch. Turned my fuel tap off before doing so. I expected a little bit of fuel to run from the overflow, however it didn't stop! I ended up having to clamp the hose to stop it! What do you think the issue...

ttr_paul · ttr_paul

Wondering if someone can advice me: Bike is hesitant on low partial throttle openings but fine when revved more pops and crackles when you let go off throttle requires a few goes to start with button stalls often when idling Also the clutch is not acting correctly, it is very snatchy like and on off swi...

ttboof · ttboof

My son borrowed the ttr jumped a log and the foot peg mount broke away from the frame . It looks like it's been cracked for quite a while a bit of a clean up a bit of a hammer and weld it should be ok

peteBLUEttr · peteBLUEttr

What are those spoke wrench sizes needed for the TTR wheels? The one in the TTr toolkit is not much cop(cheaply made and does not fit the front) so I would like to buy new one/ones.

Woodski · Woodski

Hi all - another question from me regarding my recently purchased TTR. There's more vibrations than I expected at higher revs. I've done basic checks for loose bolts/nuts etc. Is there anything else I should check ? What's the 'standard' for the bike in terms of smoothness across the revs ? It's felt t...

Sparky · Sparky

Hi all, new TTR owner, first question! I'm going trail riding in the Alps in 2 weeks time, I've been doing it for years, mainly BMW airheads, XT600's and Dominators.Some of the trails can get quite technical but there have always been many hands to help manhandle heavy bikes. Any road, this year I deci...

Woodski · Woodski

Hi all - I've recently bought a TTR. Went to change the oil and was unhappy to see the level was v low (prob about 500ml) and old and black. Nothing bad on the sump plug or in the filter (filter had some silver deposits - like you see on a bike's first service). Bike seems to run ok-ish but wondered if there's a...

TTRHead · TTRHead

So I got a new spring for my foot peg but it was still loose. I noticed the pin that goes through the footpeg was flapping about inside the holes on the lug which the peg attaches to. So I looked at it and thought what could I do to fix it? So this is what I did... Found a perfect size bolt that fitted in the hole....

jasparach · jasparach

Hi to all, a question about throttle/carburettor, when i let the throttle go when riding to seems to stick and does not close fully unless that you really twist it closed and it feels notchy when it is almost closed, is it the cables or the carburettor which is at fault? It's a right pain when riding it...

TTRHead · TTRHead

Do they go bad on the TTR? I found an invoice in with the one i am doing up saying strip top end and replace exhaust valves..lap valves in etc

Green Chile ADV 1 · Green Chile ADV 1

Question.... Is it normal for the clutch to be affected by overheating the bike on trails like this? A few times now, in tough conditions, I have felt the clutch springs lose some tension. Before I changed out the clutch parts, I had an incident where in snow and mud, the clutch gave out completely and f...

Wato262 · Wato262

Hi guys, im dead new to the forum but i think its the most indepth ttr hub around. First things first, my names matt and im from QLD, Australia. I just purchased a used ttr250 thats is in great condition. I love trail riding and working on bikes. I was wondering where i could get oem parts for the 2009 tt25...

pug · pug

A Job i have been putting off for a little bit and let's face it I'm a tight Bas**rd I have the tools to do a Bike /Trike /Car build right from Building the frame up to riding driving it but the little bit's I just seem put off and off till I cant stick it no more and this was one of them took me an Hour in th...

Green Chile ADV 1 · Green Chile ADV 1

550 cord-lock paracord. Don't leave home without it. I should have stayed home today. Landed a nice air and sheared off a right side foot peg bolt. Lashed it and then headed out. I avoided standing. Then lowsided in 3rd gear in the sand and broke my starter switch AGAIN! I just replaced it. Thank goodne...

kitkat · kitkat

So, I have already caused much head scratching with Brian and mate Steve (also has TTR) as I try to fix a very low ride height issue on my TTR (which I believe is a US spec machine) At first I thought I had a lowering link fitted but this is not the case - 2 photos show the difference between my TTR and a "n...

locky · locky

Thought about it a few times as to the direction of oil flow in the TTR. After the oil pump what route does the oil get pumped around the engine ? I believe there's a strainer that the oil would flow to before it reaches the filter ?

Henry · Henry

Hi all, My TTR was fine and tracking straight hands off, untill I had a front puncture. I did not drive on a flat tyre but walked it home some 300 meters. Took of the wheel had it changed with a new inner tube and I installed the wheel. Spacers correct disk brake lined up correctly, but now it wants to turn by...

Topic		Started By	Replies	Views	Last Post
	Is this an issue? (Preview) Guys, I acquired a 99 ttr 250 that needs a lot of attention. It appears the rod bearing burnt up and there is all kinds of metal shavings in the oil. I have been working on tearing down the engine. I was trying to take the rotor off without the sheath holder and the monkey wrench I was using dug into the met...	99ttr250	0	363	Aug 3, 2015 by 99ttr250
	Installing a manual cam chain tensioner on a 2000 TTR 250 US model (Preview) This is my first tech question here as I just purchased my bike, the top end was disassembled when I purchased it and all of the parts were there with the exception of the tensioner. I purchased a manual one from ebay and it came with a generic instruction in the packet that says remove the chain guide bef...	TonyB479	14	3496	Jul 31, 2015 by 66T
	engine oil seep (Preview) Hey guys, I'm pretty new to working on bikes but im learning and NOT going to pay anyone to work on it unless I really have to..... but I've got a oil seep by the the exhaust manifold??, It's not alot but enough for me to want to fix it. I know it's vague but was wondering your thought on possible causes?? I've...	Tommy the cat	5	1167	Jul 30, 2015 by 66T
	New rear sprocket bolts (Preview) Hi Guys, Need new rear sprocket bolts. Bought a second set of rims and replaced the rear sprocket. The bolt heads and nuts were fairly stuffed but I got them off and back on again. Happy with how they did up and used locktite. However I am now thinking I probably should have used new ones and stop being so...	leigh	8	938	Jul 26, 2015 by leigh
	Another cam chain noise (Preview) Hi forum! I didn't want to threadjack the-dirty-commuter's thread so I shall start another topic. Same issue as him. I took my valve cover off, and checked the clearances. All were within spec. The chain worried me a little bit though...if i pushed on the chain in between the cams hard ( not exactly sur...	yamaha42	5	859	Jul 24, 2015 by 66T
	What's this? (Preview) I'm guessing for a sat nav or charging or something? ? Ta	Tommy the cat	5	474	Jul 20, 2015 by Tommy the cat
	new bike clean and fettle... (Preview) I'm guessing the previous owner wasn't quite as bothered about cleaning it as me???its getting there slowly and I'm really enjoying it!!My only concern now is the sprag clutch.... just hard to tell from the posted vids if it needs addressing? ??I guess I could have a look see??? If I posted pics of vari...	Tommy the cat	9	717	Jul 19, 2015 by locky
	fork axle clamp (Preview) hi, what's the story with the white (and blue I think too) fork axle clamp? The Haynes manual section 5C-7 has an illustration 4.33 which has the clamp marked number 23 and unhelpfully doesn't even name number 23 in the key. My friend thinks you should tighten the top 2 nuts first about 5ft/lb torque the...	chris	1	484	Jul 18, 2015 by peteBLUEttr
	'Orrible jobs! Removing damaged gaskets. (Preview) My heart sinks when removing engine side covers if the gasket needs replacing It happened tonight with a generator cover I was fitting. I use a Stanley knife blade to cut/scrape the old gasket off. If anyone has a better system please let me know! Gasket remover doesn't touch it. 40 minutes later As I...	TTRfan	12	1744	Jul 16, 2015 by Clutha
	charging, (Preview) hi,i bought an open enduro a week ago and it has lived in my van until yesterday when my insurace started, ,it started first press of the starter and i rode for about 7kms[lights on],after returning to the bike after an hour the battery was as dead as a dodo,i charged it up last night with a smart charger...	admbnm	7	1204	Jul 15, 2015 by admbnm
	front brake light switch (Preview) Noticed an intermittent fault on the front brake switch can you get the whole caboodle, ?? I'm sure having g some fun finding my way around the bike....	Tommy the cat	4	599	Jul 13, 2015 by Tommy the cat
	Any one name that noise after the 263 Rebuild (Preview) Hi all following on from last post here is a video of bike running with the funny rattle... Anyone name that tune? Or Rattle? Cheers Danny	Archershome	2	407	Jul 9, 2015 by locky
	Petrol tap or fuelling? (Preview) Hi guys, I would be grateful for some assistance in troubleshooting some issues with my bike. I bought it a couple of weeks ago from a chap on here, and it started fine then. However, it now seems hard to get started. It also dies after a while with the fuel tap o. The "on" position, but seems to w...	DukeNinja	8	592	Jul 8, 2015 by Markvan
	fuel leak (Preview) New to this site and bikes in general so go easy :) I put my ttr250 on its side the other night to repair the clutch. Turned my fuel tap off before doing so. I expected a little bit of fuel to run from the overflow, however it didn't stop! I ended up having to clamp the hose to stop it! What do you think the issue...	poopoo_pa_choo	3	638	Jul 3, 2015 by hanzo
	Clutch and rough running issue - diagnosis needed! (Preview) Wondering if someone can advice me: Bike is hesitant on low partial throttle openings but fine when revved more pops and crackles when you let go off throttle requires a few goes to start with button stalls often when idling Also the clutch is not acting correctly, it is very snatchy like and on off swi...	ttr_paul	4	409	Jun 30, 2015 by peteBLUEttr
	left hand foot peg mount snapped (Preview) My son borrowed the ttr jumped a log and the foot peg mount broke away from the frame . It looks like it's been cracked for quite a while a bit of a clean up a bit of a hammer and weld it should be ok	ttboof	7	741	Jun 28, 2015 by TTRHead
	Spoke wrench (Preview) What are those spoke wrench sizes needed for the TTR wheels? The one in the TTr toolkit is not much cop(cheaply made and does not fit the front) so I would like to buy new one/ones.	peteBLUEttr	3	850	Jun 28, 2015 by TTRfan
	Vibrations (Preview) Hi all - another question from me regarding my recently purchased TTR. There's more vibrations than I expected at higher revs. I've done basic checks for loose bolts/nuts etc. Is there anything else I should check ? What's the 'standard' for the bike in terms of smoothness across the revs ? It's felt t...	Woodski	8	1140	Jun 27, 2015 by peteBLUEttr
	Michelin Enduro Comp4 (Preview) Hi all, new TTR owner, first question! I'm going trail riding in the Alps in 2 weeks time, I've been doing it for years, mainly BMW airheads, XT600's and Dominators.Some of the trails can get quite technical but there have always been many hands to help manhandle heavy bikes. Any road, this year I deci...	Sparky	10	714	Jun 25, 2015 by Sparky
	Low Oil (Preview) Hi all - I've recently bought a TTR. Went to change the oil and was unhappy to see the level was v low (prob about 500ml) and old and black. Nothing bad on the sump plug or in the filter (filter had some silver deposits - like you see on a bike's first service). Bike seems to run ok-ish but wondered if there's a...	Woodski	6	579	Jun 24, 2015 by locky
	Worn footpeg hole (Preview) So I got a new spring for my foot peg but it was still loose. I noticed the pin that goes through the footpeg was flapping about inside the holes on the lug which the peg attaches to. So I looked at it and thought what could I do to fix it? So this is what I did... Found a perfect size bolt that fitted in the hole....	TTRHead	2	521	Jun 23, 2015 by TTRfan
	1996 O.E carburettor (Preview) Hi to all, a question about throttle/carburettor, when i let the throttle go when riding to seems to stick and does not close fully unless that you really twist it closed and it feels notchy when it is almost closed, is it the cables or the carburettor which is at fault? It's a right pain when riding it...	jasparach	28	1649	Jun 23, 2015 by jasparach
	Exhaust valves (Preview) Do they go bad on the TTR? I found an invoice in with the one i am doing up saying strip top end and replace exhaust valves..lap valves in etc	TTRHead	5	411	Jun 20, 2015 by TTRHead
	Overheating clutch (Preview) Question.... Is it normal for the clutch to be affected by overheating the bike on trails like this? A few times now, in tough conditions, I have felt the clutch springs lose some tension. Before I changed out the clutch parts, I had an incident where in snow and mud, the clutch gave out completely and f...	Green Chile ADV 1	5	876	Jun 17, 2015 by TTRfan
	2009 TT250RY - OEM parts (Preview) Hi guys, im dead new to the forum but i think its the most indepth ttr hub around. First things first, my names matt and im from QLD, Australia. I just purchased a used ttr250 thats is in great condition. I love trail riding and working on bikes. I was wondering where i could get oem parts for the 2009 tt25...	Wato262	5	498	Jun 8, 2015 by locky
	Job i have been putting off (Preview) A Job i have been putting off for a little bit and let's face it I'm a tight Bas**rd I have the tools to do a Bike /Trike /Car build right from Building the frame up to riding driving it but the little bit's I just seem put off and off till I cant stick it no more and this was one of them took me an Hour in th...	pug	3	1283	Jun 6, 2015 by pug
	Broken foot peg bolts (Preview) 550 cord-lock paracord. Don't leave home without it. I should have stayed home today. Landed a nice air and sheared off a right side foot peg bolt. Lashed it and then headed out. I avoided standing. Then lowsided in 3rd gear in the sand and broke my starter switch AGAIN! I just replaced it. Thank goodne...	Green Chile ADV 1	17	1161	Jun 2, 2015 by Green Chile ADV 1
	Fixing Ride Height/rear Shock (Preview) So, I have already caused much head scratching with Brian and mate Steve (also has TTR) as I try to fix a very low ride height issue on my TTR (which I believe is a US spec machine) At first I thought I had a lowering link fitted but this is not the case - 2 photos show the difference between my TTR and a "n...	kitkat	16	2974	Jun 1, 2015 by kitkat
	Oil flow. (Preview) Thought about it a few times as to the direction of oil flow in the TTR. After the oil pump what route does the oil get pumped around the engine ? I believe there's a strainer that the oil would flow to before it reaches the filter ?	locky	7	859	May 31, 2015 by wfd
	TTR not tracking/driving straight hands off :/ (Preview) Hi all, My TTR was fine and tracking straight hands off, untill I had a front puncture. I did not drive on a flat tyre but walked it home some 300 meters. Took of the wheel had it changed with a new inner tube and I installed the wheel. Spacers correct disk brake lined up correctly, but now it wants to turn by...	Henry	18	1162	May 27, 2015 by mossproof
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