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

Nugget · Nugget

Hi. Maybe a stuppid question, I have only recently bought my TTR250 1993 (K reg), Which spark plug do i need and what size plug spanner please?. Thanks Steve (Nugget)

BM Steve · BM Steve

Hi All Here's a link to a local forum I use where I have started some repairs on my damaged plastics OLD BULL FORUM

moglie26 · moglie26

Hi every one was wondering if anyone can help me wile out on my ttr every thing was going fine until I started having trouble changing bk down the gears then I ended up with no gears so ended up pushing the bike home and after a good jet wash I managed to get bk some gears but wilst in gear it sounds like the clut...

cmlago · cmlago

Hi all, it's my first post. My '97 white TTR needs a new piston, rings, etc. US parts dealer's websites only show OEM part numbers for 2001 and later models. Can somebody confirm if those numbers are valid for older TTRs? Also, I'm considering to install a WISECO kit, part number 4689M07350, which is de...

domski1 · domski1

Ok just a little curious , my ttr is all standard but it pops / back fires when you rev it up and on over run when riding it, it is worse on the choke but still does it when warned up. ? I am sure a read somewhere it may be due to incorrect fueling? The bike is perfectly rideable and it doesnt bother be whatsoever b...

Aidan · Aidan

Ok so I have no idea what to do. I tried to start my bike and the timing chain jumped. So after disassembling it, fixing the timing chain and fixing the stupid timing chain tensioner. I have no compression. I have rebuilt the engine (new piston, rings act) no more than 4 hours riding time ago. It’s barely w...

andyttr · andyttr

I have bought i ttr 250 raid and was wondering will the open enduro part fit it if anyone can shed some light that would be great

colin13846 · colin13846

Took the tank off (2005) today and had to fully drain it as the pet**** was passing when in off position. Found the pet**** washer, 3 hole, to be slightly perished hence it passing. Need a new one, any ideas on locating a new one etc?

Darren · Darren

Ok guy's. What's the chance of me doing some kind of repair as I cant source one of these little blighters out here in thailand. Oil plug on the cylinder head. any ideas.

Dave · Dave

I've been looking for some plain white side panel decals, the type that a lot of TTR's have, but I can't find them anywhere. Does anyone know anywhere that sells these?

nwrider · nwrider

Its that time of season up here in montana, is there any thing i need todo to put my 06 ttr away til spring?

Lin · Lin

Anybody had any experience fitting a Scottoiler to a TTR250?

Darren · Darren

Been out on a few dirty trails this last few days and the bike was fairly dirty, so when I got home got the power washer out and was doing the usual clean. After I'd washed all the crap off her I turned around to see a jet of petrol squirting from the underside of the tank.... So I took the tank off and had a prob...

BM Steve · BM Steve

Hi All What size tyre is best and/or the biggest for the TTR, this is the tyres I was thinking of buying, anyone ever used one ?? they say it's a 30/70 road/trail tyre. Dunlop D603 About the sizes, does this mean that a 120/80-18 62P D603 is 120mm wide x 80mm high x 18" diameter, I searched the dunlop s...

TTRMike · TTRMike

Some of you may recall Brian posted my article up on the Yahoo group about sorting the flat spot on the later models. If anyone requires any help with this give me a shout. Since making the alterations on my bike I have fitted an FMF Q4 tail pipe so it required further alteration to the jets and its a complet...

TTRfan · TTRfan

I havecopied this from the old Yahoo Group. Just wondering if anyone has tried doing the repair?BrianRear shock repair.I was worried that parts would be proprietary and possibly unobtainable but I have just found an amazing "show and tell" on our equivalent Russian forum which goes thr...

carlobar999 · carlobar999

Any ideas on aftermarket speedometer for a TTR, have been looking at a Vector unit, anybody out there using one ?

tossworm · tossworm

Any ideas welcome, my 1993 ttr blows the fuse with no real reason started mid enduro and everything has been checked ie stator, ignition, rectifier, all conections thought i had solved it but after 50 miles started again as soon as you switch ignition on it blows. after sitting at side of track for half...

Johnnyboxer · Johnnyboxer

I have been offered a purple early TTR250 with 30,000 miles on it, that has had a rebore/new piston and rings and a top end refresh recently (bills to prove all work) So are these bikes good for a high mileage? Chassis looks in excellent nick, so does wheel and forks What sort of price should I pay for a 1993...

Richie Blyth · Richie Blyth

Can anyone tell me what size piston and rings are in a TTR ??

Richie Blyth · Richie Blyth

Hi , am new to the world of green lane bikes , so am after some advise to what is the best way to look after the chain?? also which grade oil I should use in my TTR O/Enduro ?? also is there anything I should be oiling/greesing on a regular basis ie weekly ??? regards in advance Rich

TTRfan · TTRfan

This is quite a common problem on TTRs and I have come across some ingenious repairs! The blue headlight surrounds are hard to come by second hand so it is worth repairing them. I apologise in advance for the poor quality of the pics. I think I had the flash suppressed I carry a fairly heavy Slime compre...

TTRfan · TTRfan

I am frequently asked about what after-market exhaust is best for the TTR. The requirement seems to be that it is light, reasonably quiet and sensibly priced. The problem is that I can't find anyone in the UK selling such exhausts. Has anyone else found one they can recommend?There seems to be a gap in t...

Darren · Darren

Yesterday the front caliper seized on, so I took it off and stripped it down took the pistons and rings out and cleaned it all. put it back together and it was fine but today there is very little front bake it's very spongey. I also cleanded the resevior out today and aswell and checked for leaks everywher...

spud351 · spud351

I need to change the cork plates in the clutch. Were is the best place to buy aftermarket kit from? Cheers Spud.

nwrider · nwrider

i recently put on a skid plate, and a new 14th front cog to my 06 ttr. i now see little puddles of oil on the ground where i park my bike. ?what is the fix ? it seems to be coming out the shifter peg in the case. easy or not so easy?

rivabill · rivabill

here we go again, this time its comming from the wires that go to the magneto, any ideas how to fix it, silicon, hot glue etc etc had a great time out at fourmarks in hampshire, big woods with loads of big water, big site and £10 for the whole day, if anyone is intrested then just drop a line or post on here. Bil...

TTRfan · TTRfan

Bought a TTR recently and although the previous owner said the sprag was OK, it seemed to be making some noises when operating the starter which were extra to the usual bang on switch off Stripped it down today and found one of the most damaged sprags I have seen so far so it goes in my Black Museum! The inn...

spud351 · spud351

Looking at the parts diagram there seem to be 2 chain wear guides. The big black one at the front 4GY-22151-00 and a small white at rear 3JD-22147-00 Are these the only wear guides and can someone verify the numbers for me. Also on the rear shock there is a rubber bump stop or something like that but I can'...

Darren · Darren

I have a 1995 250 raid and have an oil leak. I think it's comming from the front sprocket area..any Ideas and is it an easy repair for a novice. thanx Guys. Daz

Topic		Started By	Replies	Views	Last Post
	What Spark plug!! ?. (Preview) Hi. Maybe a stuppid question, I have only recently bought my TTR250 1993 (K reg), Which spark plug do i need and what size plug spanner please?. Thanks Steve (Nugget)	Nugget	5	7765	Oct 25, 2011 by Lin
	Repairing Bent and scratched plastics (Preview) Hi All Here's a link to a local forum I use where I have started some repairs on my damaged plastics OLD BULL FORUM	BM Steve	1	1358	Oct 24, 2011 by Cubber
	Gear problems (Preview) Hi every one was wondering if anyone can help me wile out on my ttr every thing was going fine until I started having trouble changing bk down the gears then I ended up with no gears so ended up pushing the bike home and after a good jet wash I managed to get bk some gears but wilst in gear it sounds like the clut...	moglie26	1	1449	Oct 23, 2011 by TTRfan
	Piston kit for 1997 TTR250 (Preview) Hi all, it's my first post. My '97 white TTR needs a new piston, rings, etc. US parts dealer's websites only show OEM part numbers for 2001 and later models. Can somebody confirm if those numbers are valid for older TTRs? Also, I'm considering to install a WISECO kit, part number 4689M07350, which is de...	cmlago	2	1642	Oct 22, 2011 by cmlago
	Is this normal ???? (Preview) Ok just a little curious , my ttr is all standard but it pops / back fires when you rev it up and on over run when riding it, it is worse on the choke but still does it when warned up. ? I am sure a read somewhere it may be due to incorrect fueling? The bike is perfectly rideable and it doesnt bother be whatsoever b...	domski1	5	1533	Oct 18, 2011 by domski1
	no compresion please help (Preview) Ok so I have no idea what to do. I tried to start my bike and the timing chain jumped. So after disassembling it, fixing the timing chain and fixing the stupid timing chain tensioner. I have no compression. I have rebuilt the engine (new piston, rings act) no more than 4 hours riding time ago. It’s barely w...	Aidan	8	1990	Oct 18, 2011 by Aidan
	ttr 250 raid are the ttr 250 raid and ttr250 open enduro parts interchangeable (Preview) I have bought i ttr 250 raid and was wondering will the open enduro part fit it if anyone can shed some light that would be great	andyttr	3	1802	Oct 17, 2011 by TTRfan
	Pet** washer (Preview) Took the tank off (2005) today and had to fully drain it as the pet was passing when in off position. Found the pet** washer, 3 hole, to be slightly perished hence it passing. Need a new one, any ideas on locating a new one etc?	colin13846	7	1751	Oct 13, 2011 by colin13846
	yet another oil leak (Preview) Ok guy's. What's the chance of me doing some kind of repair as I cant source one of these little blighters out here in thailand. Oil plug on the cylinder head. any ideas.	Darren	3	1526	Oct 13, 2011 by Darren
	Side Panel Decals (Preview) I've been looking for some plain white side panel decals, the type that a lot of TTR's have, but I can't find them anywhere. Does anyone know anywhere that sells these?	Dave	3	1654	Oct 12, 2011 by TTRMike
	Putting the bike away (Preview) Its that time of season up here in montana, is there any thing i need todo to put my 06 ttr away til spring?	nwrider	3	1252	Oct 11, 2011 by Lin
	Scottoiler (Preview) Anybody had any experience fitting a Scottoiler to a TTR250?	Lin	8	2721	Oct 10, 2011 by Lin
	holy tank batman (Preview) Been out on a few dirty trails this last few days and the bike was fairly dirty, so when I got home got the power washer out and was doing the usual clean. After I'd washed all the crap off her I turned around to see a jet of petrol squirting from the underside of the tank.... So I took the tank off and had a prob...	Darren	1	1249	Oct 4, 2011 by TTRMike
	Which tyre size (Preview) Hi All What size tyre is best and/or the biggest for the TTR, this is the tyres I was thinking of buying, anyone ever used one ?? they say it's a 30/70 road/trail tyre. Dunlop D603 About the sizes, does this mean that a 120/80-18 62P D603 is 120mm wide x 80mm high x 18" diameter, I searched the dunlop s...	BM Steve	17	30497	Oct 3, 2011 by Cubber
	Later Model Carb Mods (Preview) Some of you may recall Brian posted my article up on the Yahoo group about sorting the flat spot on the later models. If anyone requires any help with this give me a shout. Since making the alterations on my bike I have fitted an FMF Q4 tail pipe so it required further alteration to the jets and its a complet...	TTRMike	12	2796	Oct 3, 2011 by Lin
	DIY rear shock repair (Preview) I havecopied this from the old Yahoo Group. Just wondering if anyone has tried doing the repair?BrianRear shock repair.I was worried that parts would be proprietary and possibly unobtainable but I have just found an amazing "show and tell" on our equivalent Russian forum which goes thr...	TTRfan	0	2373	Sep 29, 2011 by TTRfan
	Aftermarket Speedometer (Preview) Any ideas on aftermarket speedometer for a TTR, have been looking at a Vector unit, anybody out there using one ?	carlobar999	4	4826	Sep 26, 2011 by Cubber
	random fuse blowing (Preview) Any ideas welcome, my 1993 ttr blows the fuse with no real reason started mid enduro and everything has been checked ie stator, ignition, rectifier, all conections thought i had solved it but after 50 miles started again as soon as you switch ignition on it blows. after sitting at side of track for half...	tossworm	10	3306	Sep 26, 2011 by gooddelph
	1993 TTR250 - some questions (Preview) I have been offered a purple early TTR250 with 30,000 miles on it, that has had a rebore/new piston and rings and a top end refresh recently (bills to prove all work) So are these bikes good for a high mileage? Chassis looks in excellent nick, so does wheel and forks What sort of price should I pay for a 1993...	Johnnyboxer	1	2222	Sep 22, 2011 by TTRfan
	Piston rings ?? (Preview) Can anyone tell me what size piston and rings are in a TTR ??	Richie Blyth	2	1942	Sep 17, 2011 by Richie Blyth
	which oil / lubs (Preview) Hi , am new to the world of green lane bikes , so am after some advise to what is the best way to look after the chain?? also which grade oil I should use in my TTR O/Enduro ?? also is there anything I should be oiling/greesing on a regular basis ie weekly ??? regards in advance Rich	Richie Blyth	4	1714	Sep 13, 2011 by Dullthud
	Repairing broken headlight supports (Preview) This is quite a common problem on TTRs and I have come across some ingenious repairs! The blue headlight surrounds are hard to come by second hand so it is worth repairing them. I apologise in advance for the poor quality of the pics. I think I had the flash suppressed I carry a fairly heavy Slime compre...	TTRfan	1	2097	Sep 8, 2011 by gooddelph
	Exhaust replacement in the UK (Preview) I am frequently asked about what after-market exhaust is best for the TTR. The requirement seems to be that it is light, reasonably quiet and sensibly priced. The problem is that I can't find anyone in the UK selling such exhausts. Has anyone else found one they can recommend?There seems to be a gap in t...	TTRfan	6	4220	Sep 7, 2011 by Lin
	no front brake (Preview) Yesterday the front caliper seized on, so I took it off and stripped it down took the pistons and rings out and cleaned it all. put it back together and it was fine but today there is very little front bake it's very spongey. I also cleanded the resevior out today and aswell and checked for leaks everywher...	Darren	8	2250	Sep 1, 2011 by Darren
	Clutch Kit for '94 Raid (Preview) I need to change the cork plates in the clutch. Were is the best place to buy aftermarket kit from? Cheers Spud.	spud351	1	2258	Aug 30, 2011 by TTRfan
	different oil leak (Preview) i recently put on a skid plate, and a new 14th front cog to my 06 ttr. i now see little puddles of oil on the ground where i park my bike. ?what is the fix ? it seems to be coming out the shifter peg in the case. easy or not so easy?	nwrider	1	1168	Aug 26, 2011 by rivabill
	Yet another oil leak :-( (Preview) here we go again, this time its comming from the wires that go to the magneto, any ideas how to fix it, silicon, hot glue etc etc had a great time out at fourmarks in hampshire, big woods with loads of big water, big site and £10 for the whole day, if anyone is intrested then just drop a line or post on here. Bil...	rivabill	4	1352	Aug 26, 2011 by Dullthud
	Black museum - sprag problems (Preview) Bought a TTR recently and although the previous owner said the sprag was OK, it seemed to be making some noises when operating the starter which were extra to the usual bang on switch off Stripped it down today and found one of the most damaged sprags I have seen so far so it goes in my Black Museum! The inn...	TTRfan	0	1432	Aug 23, 2011 by TTRfan
	Chain wear guides (Preview) Looking at the parts diagram there seem to be 2 chain wear guides. The big black one at the front 4GY-22151-00 and a small white at rear 3JD-22147-00 Are these the only wear guides and can someone verify the numbers for me. Also on the rear shock there is a rubber bump stop or something like that but I can'...	spud351	8	2320	Aug 23, 2011 by spud351
	Oil leak (Preview) I have a 1995 250 raid and have an oil leak. I think it's comming from the front sprocket area..any Ideas and is it an easy repair for a novice. thanx Guys. Daz	Darren	18	10654	Aug 20, 2011 by Darren
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