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

ywouldi · ywouldi

I picked up this well used TTR on Sunday and had a fantastic day out with the Herts TRF today in the torrential rain, great fun! The bike performed well but after running through some heavy puddles and getting a good soaking the bike would die as soon as I stopped and then be very hard to get started again, t...

apw99 · apw99

Hi folks I was using the TTR last weekend which I have recently acquired and I noticed that the speedo was reading very very optimistically. I can't find anything about calibration in the manual. Has anyone ever come by this problem and is there a fix? Thanks APW

JOHNYBOY · JOHNYBOY

just pulled my ttr apart to fit sprag clutck but i have noticed no tdc mark on the flywheel all i have is a slot in same place as woodruph keyway at 12 oclock or a h i am assuming tdc is the woodrupk key slot at 12 oclock has any one got photos of tdc for when i do my tappets many thanks johnboy

TTRfan · TTRfan

I had never heard of JIS until a few moments ago! Interesting reading. I am assuming our TTRs use JIS fasteners. Brian Cross-head style fasteners can be found on all Japanese motorcycles. Most people will associate this style of cross-head to a Phillips style bit. This is incorrect. These cross-hea...

JOHNYBOY · JOHNYBOY

HI THERE DOES ANYONE KNOW THE TORQUE SETTINGS FOR THE 8 CLAMP BOLTS FOR THE FORK YOKES & THE DISC BOLTS THAT MOUNT THE DISC TO THE HUB FRONT & REAR MANY THANKS JOHNBOY

peteBLUEttr · peteBLUEttr

Found slight movement in lower shock bearing so changed it.. Scored up Did rear wheel bearings too, the two on the sprocket side came out stuck on the spacer but they soon collapsed when I squeezed em up in a vice

TTRfan · TTRfan

I learnt this off ttrsteve when he was here on Monday. To prevent water/moisture getting into the airbox when power washing with the seat of, put a glove over the snorkel I used to stuff rags in there but this is such a better idea! The other glove fits nicely over the exhaust if you haven't got a bung for...

peteBLUEttr · peteBLUEttr

So my TTR's engine area has developed a loud squawking noise after an extended period of main road riding and the engine gets hot. When I pull the clutch in the noise disappears immediately, and immediately returns when let back out again. But if I pull over briefly and pull the clutch in thus letting th...

burton500 · burton500

My bike was blowing a lot of oil smoke out the exhaust. I put new valve stem seals in and checked the piston and rings. All seemed ok, so reassembled, but the bike is still burning a lot of oil. Compression test is 150 psi. What would be the next thing to check? The valves all looked ok, apart from the exh...

nwrider · nwrider

i think i have found it what is the fix, check the photo. it looks as there are 4 wires in a plug running maybe into the starter? and it is leaking when engine is running not while sitting though. only when pressure is on. please tell me its a cheap fix, i can do the work i think

leigh · leigh

Thought I'd post about drowning my bike a few months ago. These bikes must be tough. Dropped my bike in a massive mud hole, got the front and rear wheels in different ruts and over we went. I'm the kind of person that takes all the tools/spares on a ride and am fairly fussy with my bike maintenance. I am usu...

Markvan · Markvan

This TTR i got with a blown motor and no history with the bike. All i know it was sitting in a workshop for ten years after he smashed the piston. The fuel tank came with the petc--k removed. Tank has a strong wierd smell. Like oil/diesel / plastic. This oil looking stuff is leaking after tank was sitting in...

Rui Matos Braz · Rui Matos Braz

Hi all I'm desesperate when I was trying to take it from is place, fall down from my fingers and.... I tried everything, vacun cleaner, magnet.... It wont come off! Wath Can I do???

Rui Matos Braz · Rui Matos Braz

Hi all It's time to post something about my RAID ! I've bought it in last June , with " some "problems - engine start , does not start !! - CDI , burned !! And lots of small problems but for 400€ ... It has been a fight to make it work , with the dismont I've found some outher problems But after will b...

Markvan · Markvan

Dont know any history on this TTR , picked it up for the wheels and other items. Engine oil is full , but that could have been filled after the explosion. Barrels been honed and looks ok but im no mechanic. Any ideas what may have happend.

Ultrawill · Ultrawill

So, shortly after resolving my engine ping/knock sound by replacing the carbuerator joint, me and my brother on an identical 2000 TTR-250 went on a 3 day trail with a couple trucks called the Dusy Ershim in Northern California. Exactly half way through the trail with about 15 miles to civilization...

masterbill · masterbill

Hello, Do you have any trouble with the split link on the bikes? I was surprised to see one mine. Cheers Bill -- Edited by masterbill on Sunday 11th of October 2015 04:51:55 PM

Keith89 · Keith89

This would explain why I've had little power since I got it all sorted now.

mossproof · mossproof

Is it possible to change the valve stem seals with the head in situ (piston tdc of course)? How close is the piston/valve clearance at tdc to hold the valves in place? Has anyone tried? Cheers, Simon.

ttiranlp · ttiranlp

Hi. Looking for confirmation please. I have oil bubbling out around the exhaust clamp area , a very small amount but steady, and of course a degree of smoke as it burns off on the pipe. I have cleaned the area, well, replaced fhe little decomp hole plug, checked rocker gaskets, definitely no leaks th...

Ultrawill · Ultrawill

I have a 2000 TTR-250, and I have an engine knocking sound that seems to have come up on occasion over the last year or so. I haven't been riding much for the past year, but whenever I ride, I always hear this engine knocking sound that I can't seem to diagnose. The closest thing I can relate to the sound is s...

leigh · leigh

Hi Guys, Drowned my bike a little while back, did lots of oil changes and its running fine. Quite a bit of dirt etc got into the motor, most trapped by the filter, nothing 8 oil changes couldn't fix! Runs like a charm however I realise there is also a mesh screen near the oil pump. I am thinking I should tak...

PlumasDude · PlumasDude

I can't find a part # for the small bolt that holds the plastic chain slider in place (bolts to the swing arm from the side), nor could I find it on the TotallyTTR site or elsewhere, not even as part of a kit for the chain slider itself. Its always the little things ... . I've found two posts on replacing the...

ma77 · ma77

I have seen a few threads on trying to track down an annoying engine ticking noise. One poster rebuilt the engine a few times before giving up! I have rebuilt and run my engine for a year now with an annoying ticking noise, so I don't think it's terminal. I have done a rebore with new piston, new cam chain, n...

sammyttr · sammyttr

Hello Having trouble figuring out what's making noise on my top end, I've fitted new valve springs, reground valve seats and redone shims to correct shims and still tapperty, any ideas

Sanderson1777 · Sanderson1777

hello all has anyone ever run a 140/80 rear tyre only just got bike and not ridden it yet as i need to do my test so just making sure everything is right on it. noticed tyre has rubbed through the flap.snails at no7 chain at correct tension so cant go any further back. is there any way of adding 2 links on the ch...

Moo · Moo

Hey guys, Total newbie here... but does the Raid have an odometer that will tell me the total mileage? Its got the digital speedo, with a reset and A/B button. Also, can I change (what I assume) is the date on it? EDIT: Think I answered my own question... but i'll leave it there for others to see. Held down t...

Markvan · Markvan

Mine are abit rusty and thought i can use these. Its the nut off a dyna bolt there called here in auzzy land. Hopefully the steel should be high tensile enough.

masterbill · masterbill

Hello, Went to start her up and the starter jammed !!! . Couldn't switch it off - battery got really hot so I would think that is knackered. I wired up another battery and there is nothing on the starter -Solenoid - knackered ? Checked the 15 amp fues and that is ok. I think that I have a Trx one that should/c...

JOHNYBOY · JOHNYBOY

hi there new to the forum just bought a ttr250 1994 looking for a wiring diagram please also what model is this for ordering parts also i need a silencer many thanks

Topic		Started By	Replies	Views	Last Post
	Hard to start after a soaking (Preview) I picked up this well used TTR on Sunday and had a fantastic day out with the Herts TRF today in the torrential rain, great fun! The bike performed well but after running through some heavy puddles and getting a good soaking the bike would die as soon as I stopped and then be very hard to get started again, t...	ywouldi	6	607	Nov 8, 2015 by peteBLUEttr
	Faulty Speedo or very fast Bike! (Preview) Hi folks I was using the TTR last weekend which I have recently acquired and I noticed that the speedo was reading very very optimistically. I can't find anything about calibration in the manual. Has anyone ever come by this problem and is there a fix? Thanks APW	apw99	3	535	Nov 4, 2015 by apw99
	tdc (Preview) just pulled my ttr apart to fit sprag clutck but i have noticed no tdc mark on the flywheel all i have is a slot in same place as woodruph keyway at 12 oclock or a h i am assuming tdc is the woodrupk key slot at 12 oclock has any one got photos of tdc for when i do my tappets many thanks johnboy	JOHNYBOY	5	710	Nov 2, 2015 by TTRfan
	Apparently cross-head Japanese fasteners don’t actually use a Phillips style head! (Preview) I had never heard of JIS until a few moments ago! Interesting reading. I am assuming our TTRs use JIS fasteners. Brian Cross-head style fasteners can be found on all Japanese motorcycles. Most people will associate this style of cross-head to a Phillips style bit. This is incorrect. These cross-hea...	TTRfan	18	1188	Nov 2, 2015 by hanzo
	TORQUE SETTINGS (Preview) HI THERE DOES ANYONE KNOW THE TORQUE SETTINGS FOR THE 8 CLAMP BOLTS FOR THE FORK YOKES & THE DISC BOLTS THAT MOUNT THE DISC TO THE HUB FRONT & REAR MANY THANKS JOHNBOY	JOHNYBOY	5	2359	Nov 1, 2015 by JOHNYBOY
	Lower shock bearing movement (Preview) Found slight movement in lower shock bearing so changed it.. Scored up Did rear wheel bearings too, the two on the sprocket side came out stuck on the spacer but they soon collapsed when I squeezed em up in a vice	peteBLUEttr	5	1500	Oct 31, 2015 by peteBLUEttr
	Power washing tip (Preview) I learnt this off ttrsteve when he was here on Monday. To prevent water/moisture getting into the airbox when power washing with the seat of, put a glove over the snorkel I used to stuff rags in there but this is such a better idea! The other glove fits nicely over the exhaust if you haven't got a bung for...	TTRfan	7	811	Oct 30, 2015 by TTRfan
	Squawk (Preview) So my TTR's engine area has developed a loud squawking noise after an extended period of main road riding and the engine gets hot. When I pull the clutch in the noise disappears immediately, and immediately returns when let back out again. But if I pull over briefly and pull the clutch in thus letting th...	peteBLUEttr	5	815	Oct 23, 2015 by peteBLUEttr
	loads of oil smoke (Preview) My bike was blowing a lot of oil smoke out the exhaust. I put new valve stem seals in and checked the piston and rings. All seemed ok, so reassembled, but the bike is still burning a lot of oil. Compression test is 150 psi. What would be the next thing to check? The valves all looked ok, apart from the exh...	burton500	27	2872	Oct 23, 2015 by TTRfan
	another oil leak question (Preview) i think i have found it what is the fix, check the photo. it looks as there are 4 wires in a plug running maybe into the starter? and it is leaking when engine is running not while sitting though. only when pressure is on. please tell me its a cheap fix, i can do the work i think	nwrider	9	1335	Oct 22, 2015 by glummer
	Drowning my bike (Preview) Thought I'd post about drowning my bike a few months ago. These bikes must be tough. Dropped my bike in a massive mud hole, got the front and rear wheels in different ruts and over we went. I'm the kind of person that takes all the tools/spares on a ride and am fairly fussy with my bike maintenance. I am usu...	leigh	2	611	Oct 18, 2015 by leigh
	Fuel tank sat 4 ten years (Preview) This TTR i got with a blown motor and no history with the bike. All i know it was sitting in a workshop for ten years after he smashed the piston. The fuel tank came with the petc--k removed. Tank has a strong wierd smell. Like oil/diesel / plastic. This oil looking stuff is leaking after tank was sitting in...	Markvan	2	595	Oct 17, 2015 by Markvan
	Help...... Woodruff key fall inside engine!!!!! (Preview) Hi all I'm desesperate when I was trying to take it from is place, fall down from my fingers and.... I tried everything, vacun cleaner, magnet.... It wont come off! Wath Can I do???	Rui Matos Braz	4	685	Oct 17, 2015 by Rui Matos Braz
	Reborn.... (Preview) Hi all It's time to post something about my RAID ! I've bought it in last June , with " some "problems - engine start , does not start !! - CDI , burned !! And lots of small problems but for 400€ ... It has been a fight to make it work , with the dismont I've found some outher problems But after will b...	Rui Matos Braz	17	1193	Oct 17, 2015 by Rui Matos Braz
	Piston smashed into head. (Preview) Dont know any history on this TTR , picked it up for the wheels and other items. Engine oil is full , but that could have been filled after the explosion. Barrels been honed and looks ok but im no mechanic. Any ideas what may have happend.	Markvan	8	899	Oct 16, 2015 by Markvan
	No more spark - Need diagnostic help (Preview) So, shortly after resolving my engine ping/knock sound by replacing the carbuerator joint, me and my brother on an identical 2000 TTR-250 went on a 3 day trail with a couple trucks called the Dusy Ershim in Northern California. Exactly half way through the trail with about 15 miles to civilization...	Ultrawill	9	1705	Oct 15, 2015 by rallyben
	Chains. (Preview) Hello, Do you have any trouble with the split link on the bikes? I was surprised to see one mine. Cheers Bill -- Edited by masterbill on Sunday 11th of October 2015 04:51:55 PM	masterbill	12	871	Oct 15, 2015 by masterbill
	Lack of power (Preview) This would explain why I've had little power since I got it all sorted now.	Keith89	5	757	Oct 5, 2015 by Keith89
	Valve stem seal replacement with head in place? (Preview) Is it possible to change the valve stem seals with the head in situ (piston tdc of course)? How close is the piston/valve clearance at tdc to hold the valves in place? Has anyone tried? Cheers, Simon.	mossproof	3	711	Oct 4, 2015 by Keith89
	oil ( burning) in the wrong place (Preview) Hi. Looking for confirmation please. I have oil bubbling out around the exhaust clamp area , a very small amount but steady, and of course a degree of smoke as it burns off on the pipe. I have cleaned the area, well, replaced fhe little decomp hole plug, checked rocker gaskets, definitely no leaks th...	ttiranlp	2	648	Oct 4, 2015 by ttiranlp
	Occasional engine knocking - Help (Preview) I have a 2000 TTR-250, and I have an engine knocking sound that seems to have come up on occasion over the last year or so. I haven't been riding much for the past year, but whenever I ride, I always hear this engine knocking sound that I can't seem to diagnose. The closest thing I can relate to the sound is s...	Ultrawill	5	2056	Sep 30, 2015 by Ultrawill
	Clutch side engine cover (Preview) Hi Guys, Drowned my bike a little while back, did lots of oil changes and its running fine. Quite a bit of dirt etc got into the motor, most trapped by the filter, nothing 8 oil changes couldn't fix! Runs like a charm however I realise there is also a mesh screen near the oil pump. I am thinking I should tak...	leigh	4	755	Sep 29, 2015 by leigh
	chain slider retaining bolt: need part # or spec (Preview) I can't find a part # for the small bolt that holds the plastic chain slider in place (bolts to the swing arm from the side), nor could I find it on the TotallyTTR site or elsewhere, not even as part of a kit for the chain slider itself. Its always the little things ... . I've found two posts on replacing the...	PlumasDude	2	469	Sep 28, 2015 by TTRfan
	That 'ticking' noise! (Preview) I have seen a few threads on trying to track down an annoying engine ticking noise. One poster rebuilt the engine a few times before giving up! I have rebuilt and run my engine for a year now with an annoying ticking noise, so I don't think it's terminal. I have done a rebore with new piston, new cam chain, n...	ma77	3	1533	Sep 27, 2015 by ma77
	Tapperty top end (Preview) Hello Having trouble figuring out what's making noise on my top end, I've fitted new valve springs, reground valve seats and redone shims to correct shims and still tapperty, any ideas	sammyttr	3	466	Sep 27, 2015 by ma77
	rear tyre rubbing shock flap guard thing (Preview) hello all has anyone ever run a 140/80 rear tyre only just got bike and not ridden it yet as i need to do my test so just making sure everything is right on it. noticed tyre has rubbed through the flap.snails at no7 chain at correct tension so cant go any further back. is there any way of adding 2 links on the ch...	Sanderson1777	4	720	Sep 27, 2015 by Sanderson1777
	TTR Raid Odometer (Preview) Hey guys, Total newbie here... but does the Raid have an odometer that will tell me the total mileage? Its got the digital speedo, with a reset and A/B button. Also, can I change (what I assume) is the date on it? EDIT: Think I answered my own question... but i'll leave it there for others to see. Held down t...	Moo	2	663	Sep 27, 2015 by TTRfan
	Header pipe nuts (Preview) Mine are abit rusty and thought i can use these. Its the nut off a dyna bolt there called here in auzzy land. Hopefully the steel should be high tensile enough.	Markvan	1	448	Sep 22, 2015 by peteBLUEttr
	Oh mum !!! (Preview) Hello, Went to start her up and the starter jammed !!! . Couldn't switch it off - battery got really hot so I would think that is knackered. I wired up another battery and there is nothing on the starter -Solenoid - knackered ? Checked the 15 amp fues and that is ok. I think that I have a Trx one that should/c...	masterbill	3	518	Sep 19, 2015 by peteBLUEttr
	newbie on forum - mostly to do with wiring issues ( 1 2 ) (Preview) hi there new to the forum just bought a ttr250 1994 looking for a wiring diagram please also what model is this for ordering parts also i need a silencer many thanks	JOHNYBOY	60	5768	Sep 17, 2015 by JOHNYBOY
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