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

Richamc01 · Richamc01

I have a 99 TTR250. I noticed a semi-wet spot, nothing major, on my engine black and began to investigate. I noticed this weird part sticking out of the engine and I assumed it was something stock, but after further research and reading through the service manual, there is no mention of this. What could...

ontheroad · ontheroad

Hey guys, Just wondering if anyone's ever experienced a similar issue, and could offer advice? I've got some oil blowing/leaking out the front of the engine block from the header-pipe intake. Please see pic attached (you can see the dark oil patches on the fins of engine). I initially thought i...

JPVIC · JPVIC

Hi all I'm hoping to get some insight from this group. My TTR started ticking right after an oil change. Idk if the oil is maybe too thin or maybe it's just a coincidence. Some notes: climate here is temperate (8-30C). Current oil is Liqui Moly 4T Synth 10W60 off-road racing. Overkill, I know. Sounds li...

vwanjau · vwanjau

Hi Guys, How to I fix my Odometer, reads even when am riding at 40 km/ or more, it can display KM's done so far the buttons are working fine but reads Help! Kind Regards

Wardy · Wardy

I've put a new battery on my ttr, but it keeps going flat and now won't take a charge. Any ideas what could be problem, rectifier? Thanks in advance

Spyrious · Spyrious

Hello.On my open enduro the chain guard bolts on 2 bolts on the upper side of the swingarm. The bottom part is loose.Is this supposed to be so?Some times it moves close to the tire or to the rear guard and makes some noise.The manual doesn't show clearly how it is installed.The swingarm seems to have a bra...

Watson · Watson

Hello from Australia. My names Luke and I'm new to forums. My son has 2011 ttr 50 and my daughter has a yamaha 80.I have a ttr 250 1994 model. It is very orginal and has 2000 kms on it, like brand new really. I have got the old girl going again and discovered an oil leak in the stator and flywheel side cover. T...

TTRfan · TTRfan

These plugs were fitted to all TTRs that didn't come with kickstarts fitted but they don't appear on any fiche and Fowlers parts guy couldn't find it neither Has anyone on here bought one by any chance and know its part number please? -- Edited by TTRfan on Sunday 25th of September 2016 10:52:50 AM

alanwebbo · alanwebbo

hi, I did a little off-roading today. When accelerating from walking pace in first gear, there is a noticeable vibration through the footrests which goes away as the revs rise. Anyone experienced the same thing ? any suggestions what to look at ? Thanks in advance

thebertie · thebertie

I have recently been bottoming out occasionally on the rear shock and believe the best way to reduce this is to increase the compression damping. As I understand it, this is normally very easy on a TTR, just requiring the hand rotation of an adjustment knob on the remote shock reservoir canister.......

TTRfan · TTRfan

https://rideexpeditions.com/adventure-bike-hack-making-a-portable-trail-stand-on-the-cheap/?fbclid=IwAR2_89Z0U8tXFey9xUnAHXjk0QkA83Fv39B14R6SEVYQFnSMrYJVO_ke8A8

Firestorm809 · Firestorm809

Im trying to track down a oil seal that sits in the clutch case.Its in the diagram below item 18. I've searched the shop but no luck.

Firestorm809 · Firestorm809

My leak from the banjo bolt on the clutch casing has got to a point where it needs repair. It seems the threads have been stripped as i cannot tighten the banjo bolt to the copper washer and casing. Can the threads be repaired here? -- Edited by Firestorm809 on Sunday 21st of July 2019 10:56:14 AM

TTRfan · TTRfan

Anyone have personal experience of using a leak down tester and, if so, does this one look as if it will do the business please? http://www.ebay.co.uk/itm/281699757535BrianThis is what my book says: Leak Down Testing Methods Leak down testing is a more definitive way to assess the health of an en...

leigh · leigh

Hey peeps The "new" ttr has something odd with the clutch. The clutch friction/engagement point moves from engaging when the lever is almost fully out to about the midway point once it is warmed up. Thoughts on what might be happening here? I notice the clutch pivot (whatever its called!) on the en...

yamalama · yamalama

Hi all, I am about to fit a first oversized Wossner piston but there are no instructions with the piston rings so I have a couple of questions. Can anyone confirm that the "chrome looking" ring is the top ring , and the dull grey ring is the second ring? Can anyone tell me what their end gaps should be? On th...

TiTeR250 · TiTeR250

Hello All ... hope you're all making the best of the long days out on the trails :) In the build uo to a long adventure, I've decided to do a general maintenance on my TTR and on my VERY long list is oil change to the rear shock. I purchased a 'Nitrogen needle with Schrader valve kit' from Totally TTRs and afte...

zooker · zooker

Hey Guys, new member here. Got myself an 05 TTR250 about 3 months ago and its got roughly 8500km on it. My issue is it seems to burn approximately 100ml of oil per 180km (1 tank of fuel). It doesn't noticibly smoke, however if I leave it idle then give it a rev I can see some bluish tinged smoke out the exhaust...

yamalama · yamalama

Hi all, I am trying to re-join the fold. I haven't posted here for a few years now, but am now trying to get my blue tanked TTR back on the road. After getting a very low compression reading from my hot engine (90psi) I had hoped that a rebore and lapping in of the valves would be all that was necessary to reviv...

Ttr250mark · Ttr250mark

Hi everybody! Longtime lurker, first time poster here. What a great resource for us owners. Chasing some advice before I strip down my ttr. I have a leaking base gasket that needs replacing. The breather isn't blocked, engine is not blowing smoke or have any other symptoms that would indicate othe...

Richamc01 · Richamc01

I need some help determining the exact model of my TTR. The VIN is telling me that is a 1999 so I have that much down. I am trying to determine if I have a UK model or a US model. It has both electric and kickstart which, to my understanding, was only on the UK models; however, it does not have a speedo which shou...

TerryK · TerryK

Thought I would throw a new 14T sprocket on the front of the TTR, I went back from a 120-90 to 120-80 rear tyre with a 13T sprocket and as I want to use the TTR to reduce the KMS on the WRR Anyhow as soon as I removed the sprocket cover I thought the nut may be loose & yes as suspected it was loose, only just loo...

Woody84 · Woody84

Hi, Had my TTR about 6 months and never had a problem with it until the last couple of weeks. I'm a pretty casual rider at the moment as i Go out alot with my son on his PW50 (he's 5) so maybe every 2-3 weeks. Have checked and charged the battery and replaced the spark plug (correctly spaced) but still the sam...

yamalama · yamalama

Hi all, When I removed the cylinder head from my 2003, blue tanked TTR250 a couple of weeks ago I found two washers under one of the four large bolts that hold the cylinder head down. The other three of these bolts each had only one washer each. All the parts diagrams that I can find on line show only one wash...

Firestorm809 · Firestorm809

Morning All I spend the day yesterday replacing the bearings in the front and rear wheels, which apart from a few rusted spacers all went ok. I then moved onto the swinging arm 😫. 3 hours of hitting, heating and screaming and finally the bearings were removed. I then tried to gently knock one bearing i...

spud351 · spud351

So my wheels have a number of holes in the rims. I assume for rim locks as I can't think of anything else. I don't have rimlocks but will the holes cause issues? Won't the inner tube try to get out? It hasn't done as I've pumped them up but i wouldn't want it to change it's mind at speed. If they need blocking u...

JPVIC · JPVIC

So I recently did a service on my TTR after I bought it. The manual says 10w30 or 20w40, but I went with 10w60 (local motorcycle store is pretty high end so they mostly cater to hardcore enthusiasts). Is this ok? I've read on some online forums that it may cause more wear over time on low temps like at startu...

leigh · leigh

Hi All I went for my first ride on the bike after building the new one and I ditched the lowering link this time. First ride without one. AND holy hell doesn't that make a difference. It shocked me (nice pun Leigh!!) how different it was. I've always ridden with a 2" lowering link and thought the bike h...

Firestorm809 · Firestorm809

Yet another problem I have encountered.... I have serviced the carb (ultrasonic cleaned and All balls service kit fitted) and the bike sounds and runs lovely....until I hit a long strech of uphill road in high gear and the bike eventually cuts out. It seems the carb is being starved of fuel. The bike wi...

TTR2501966 · TTR2501966

Hi all, During deceleration/over run I get a popping/backfiring. The engine also hunts when I'm at low load/low revs. It also jerks when I'm just rolling the throttle - such as rolling up to a T junction and gently pulling away without stopping. Everything is fine when I'm loading up the engine wi...

Topic		Started By	Replies	Views	Last Post
	What the hell is this thing sticking out of my engine?! help identify mod modification (Preview) I have a 99 TTR250. I noticed a semi-wet spot, nothing major, on my engine black and began to investigate. I noticed this weird part sticking out of the engine and I assumed it was something stock, but after further research and reading through the service manual, there is no mention of this. What could...	Richamc01	12	2321	Aug 29, 2019 by robs
	Mystery oil leak from header pipe? (Preview) Hey guys, Just wondering if anyone's ever experienced a similar issue, and could offer advice? I've got some oil blowing/leaking out the front of the engine block from the header-pipe intake. Please see pic attached (you can see the dark oil patches on the fins of engine). I initially thought i...	ontheroad	4	1718	Aug 27, 2019 by ontheroad
	Ticking noise (Preview) Hi all I'm hoping to get some insight from this group. My TTR started ticking right after an oil change. Idk if the oil is maybe too thin or maybe it's just a coincidence. Some notes: climate here is temperate (8-30C). Current oil is Liqui Moly 4T Synth 10W60 off-road racing. Overkill, I know. Sounds li...	JPVIC	8	2054	Aug 22, 2019 by JPVIC
	Odometer reads 0 even when in Motion (Preview) Hi Guys, How to I fix my Odometer, reads even when am riding at 40 km/ or more, it can display KM's done so far the buttons are working fine but reads Help! Kind Regards	vwanjau	5	1255	Aug 21, 2019 by vwanjau
	Cooking my battery (Preview) I've put a new battery on my ttr, but it keeps going flat and now won't take a charge. Any ideas what could be problem, rectifier? Thanks in advance	Wardy	11	1535	Aug 20, 2019 by TTRfan
	Short chain Guard chain guard (Preview) Hello.On my open enduro the chain guard bolts on 2 bolts on the upper side of the swingarm. The bottom part is loose.Is this supposed to be so?Some times it moves close to the tire or to the rear guard and makes some noise.The manual doesn't show clearly how it is installed.The swingarm seems to have a bra...	Spyrious	2	1206	Aug 5, 2019 by Spyrious
	Does a 2001 fit a 1994 stator and flywheel side cover? (Preview) Hello from Australia. My names Luke and I'm new to forums. My son has 2011 ttr 50 and my daughter has a yamaha 80.I have a ttr 250 1994 model. It is very orginal and has 2000 kms on it, like brand new really. I have got the old girl going again and discovered an oil leak in the stator and flywheel side cover. T...	Watson	8	1233	Aug 2, 2019 by sid
	Kickstart blanking plug - details of what to buy (Preview) These plugs were fitted to all TTRs that didn't come with kickstarts fitted but they don't appear on any fiche and Fowlers parts guy couldn't find it neither Has anyone on here bought one by any chance and know its part number please? -- Edited by TTRfan on Sunday 25th of September 2016 10:52:50 AM	TTRfan	9	9057	Jul 31, 2019 by TTRfan
	vibration (Preview) hi, I did a little off-roading today. When accelerating from walking pace in first gear, there is a noticeable vibration through the footrests which goes away as the revs rise. Anyone experienced the same thing ? any suggestions what to look at ? Thanks in advance	alanwebbo	3	1712	Jul 26, 2019 by rolfey
	RAID rear shock adjustments query.... (Preview) I have recently been bottoming out occasionally on the rear shock and believe the best way to reduce this is to increase the compression damping. As I understand it, this is normally very easy on a TTR, just requiring the hand rotation of an adjustment knob on the remote shock reservoir canister.......	thebertie	6	1102	Jul 24, 2019 by thebertie
	MAKING A PORTABLE TRAIL STAND ON THE CHEAP (Preview) https://rideexpeditions.com/adventure-bike-hack-making-a-portable-trail-stand-on-the-cheap/?fbclid=IwAR2_89Z0U8tXFey9xUnAHXjk0QkA83Fv39B14R6SEVYQFnSMrYJVO_ke8A8	TTRfan	1	1315	Jul 24, 2019 by Spyrious
	Oil seal replacement (Preview) Im trying to track down a oil seal that sits in the clutch case.Its in the diagram below item 18. I've searched the shop but no luck.	Firestorm809	2	1315	Jul 23, 2019 by ttr steve
	Clutch casing leaking oil (Preview) My leak from the banjo bolt on the clutch casing has got to a point where it needs repair. It seems the threads have been stripped as i cannot tighten the banjo bolt to the copper washer and casing. Can the threads be repaired here? -- Edited by Firestorm809 on Sunday 21st of July 2019 10:56:14 AM	Firestorm809	2	996	Jul 21, 2019 by Firestorm809
	Leak down tester (Preview) Anyone have personal experience of using a leak down tester and, if so, does this one look as if it will do the business please? http://www.ebay.co.uk/itm/281699757535BrianThis is what my book says: Leak Down Testing Methods Leak down testing is a more definitive way to assess the health of an en...	TTRfan	2	1634	Jul 19, 2019 by heffh084
	Clutch friction point moves as the bike warms up.... (Preview) Hey peeps The "new" ttr has something odd with the clutch. The clutch friction/engagement point moves from engaging when the lever is almost fully out to about the midway point once it is warmed up. Thoughts on what might be happening here? I notice the clutch pivot (whatever its called!) on the en...	leigh	3	1134	Jul 19, 2019 by Kaos
	Wossner piston ring questions (Preview) Hi all, I am about to fit a first oversized Wossner piston but there are no instructions with the piston rings so I have a couple of questions. Can anyone confirm that the "chrome looking" ring is the top ring , and the dull grey ring is the second ring? Can anyone tell me what their end gaps should be? On th...	yamalama	5	2288	Jul 18, 2019 by JOHNYBOY
	Rear shock - oil change (Preview) Hello All ... hope you're all making the best of the long days out on the trails :) In the build uo to a long adventure, I've decided to do a general maintenance on my TTR and on my VERY long list is oil change to the rear shock. I purchased a 'Nitrogen needle with Schrader valve kit' from Totally TTRs and afte...	TiTeR250	3	1633	Jul 17, 2019 by TiTeR250
	TTR250 burning oil (Preview) Hey Guys, new member here. Got myself an 05 TTR250 about 3 months ago and its got roughly 8500km on it. My issue is it seems to burn approximately 100ml of oil per 180km (1 tank of fuel). It doesn't noticibly smoke, however if I leave it idle then give it a rev I can see some bluish tinged smoke out the exhaust...	zooker	5	3382	Jul 16, 2019 by heffh084
	Con rod assessment question (Preview) Hi all, I am trying to re-join the fold. I haven't posted here for a few years now, but am now trying to get my blue tanked TTR back on the road. After getting a very low compression reading from my hot engine (90psi) I had hoped that a rebore and lapping in of the valves would be all that was necessary to reviv...	yamalama	7	1178	Jul 11, 2019 by yamalama
	Ttr250 rebuild advice (Preview) Hi everybody! Longtime lurker, first time poster here. What a great resource for us owners. Chasing some advice before I strip down my ttr. I have a leaking base gasket that needs replacing. The breather isn't blocked, engine is not blowing smoke or have any other symptoms that would indicate othe...	Ttr250mark	7	1320	Jul 4, 2019 by ttboof
	Need some help identifying... identification uk us version model help (Preview) I need some help determining the exact model of my TTR. The VIN is telling me that is a 1999 so I have that much down. I am trying to determine if I have a UK model or a US model. It has both electric and kickstart which, to my understanding, was only on the UK models; however, it does not have a speedo which shou...	Richamc01	5	2303	Jul 3, 2019 by Kaos
	Countershaft sprocket (Preview) Thought I would throw a new 14T sprocket on the front of the TTR, I went back from a 120-90 to 120-80 rear tyre with a 13T sprocket and as I want to use the TTR to reduce the KMS on the WRR Anyhow as soon as I removed the sprocket cover I thought the nut may be loose & yes as suspected it was loose, only just loo...	TerryK	9	1474	Jul 3, 2019 by TerryK
	Trouble starting from cold (Preview) Hi, Had my TTR about 6 months and never had a problem with it until the last couple of weeks. I'm a pretty casual rider at the moment as i Go out alot with my son on his PW50 (he's 5) so maybe every 2-3 weeks. Have checked and charged the battery and replaced the spark plug (correctly spaced) but still the sam...	Woody84	6	1194	Jun 30, 2019 by Kaos
	Two washers under a large cylinder head hold down bolt (Preview) Hi all, When I removed the cylinder head from my 2003, blue tanked TTR250 a couple of weeks ago I found two washers under one of the four large bolts that hold the cylinder head down. The other three of these bolts each had only one washer each. All the parts diagrams that I can find on line show only one wash...	yamalama	3	1524	Jun 27, 2019 by yamalama
	Swinging Arm Bearings (Preview) Morning All I spend the day yesterday replacing the bearings in the front and rear wheels, which apart from a few rusted spacers all went ok. I then moved onto the swinging arm 😫. 3 hours of hitting, heating and screaming and finally the bearings were removed. I then tried to gently knock one bearing i...	Firestorm809	1	1126	Jun 23, 2019 by KiwiJeff
	Why so many holes and will they cause issues? (Preview) So my wheels have a number of holes in the rims. I assume for rim locks as I can't think of anything else. I don't have rimlocks but will the holes cause issues? Won't the inner tube try to get out? It hasn't done as I've pumped them up but i wouldn't want it to change it's mind at speed. If they need blocking u...	spud351	9	1548	Jun 10, 2019 by spud351
	Oil visco ratings (Preview) So I recently did a service on my TTR after I bought it. The manual says 10w30 or 20w40, but I went with 10w60 (local motorcycle store is pretty high end so they mostly cater to hardcore enthusiasts). Is this ok? I've read on some online forums that it may cause more wear over time on low temps like at startu...	JPVIC	2	1499	Jun 7, 2019 by JOHNYBOY
	TTR suspension and lowering links (Preview) Hi All I went for my first ride on the bike after building the new one and I ditched the lowering link this time. First ride without one. AND holy hell doesn't that make a difference. It shocked me (nice pun Leigh!!) how different it was. I've always ridden with a 2" lowering link and thought the bike h...	leigh	1	2076	Jun 7, 2019 by yamalama
	Losing power going for long periods uphill. (Preview) Yet another problem I have encountered.... I have serviced the carb (ultrasonic cleaned and All balls service kit fitted) and the bike sounds and runs lovely....until I hit a long strech of uphill road in high gear and the bike eventually cuts out. It seems the carb is being starved of fuel. The bike wi...	Firestorm809	3	1479	Jun 5, 2019 by ttr steve
	Back firing and popping from exhaust on deceleration/over run (Preview) Hi all, During deceleration/over run I get a popping/backfiring. The engine also hunts when I'm at low load/low revs. It also jerks when I'm just rolling the throttle - such as rolling up to a T junction and gently pulling away without stopping. Everything is fine when I'm loading up the engine wi...	TTR2501966	8	2913	Jun 5, 2019 by jasparach
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