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

Wee Jessie · Wee Jessie

I've just finished checking the cylinder head of my TTR after a worry some grit got in when I removed the spark plug. There was a bit of fine grit/sand on the crown of the piston but the valves 'seemed' to be clean and were seating ok. After the rebuild, the bike initially started but stopped after a coupl...

TTRfan · TTRfan

I recently bought a TTR for spares and found this little device on the handlebars. The pipe was fixed into the airbox. It looks like an ordinary tyre "air bomb" that has been adapted but, what for All that remains of the sticker on the cannister is a large red F My thoughts are that it was a devi...

nwrider · nwrider

i put a hydrolic switch back to my tail light, i disconnected the yellow wires, and ran my hydrolic in between the two yellow wires, and have the blue and black wires unchanged. I cant seem to get a constant tail light action, but the brake light works just fine. How do i get a running light, and a brake lig...

cbass68 · cbass68

Hey guys. New to the forum! I tried a search for this topic but didn't find what i was looking for. I appreciate any help. I just purchased a 2006 TTR250. Couldn't keep it idling without high rev. I drained the tank (removed it, turned it upside down and rinsed with new gas). I removed the carburetor, pull...

spud351 · spud351

I'm going to get my fork lowers powder coated so need to split the forks on my raid. As I don't want to get smashed in the face with anything under pressure what's the procedure to get the forks apart? Is it the large allen screw from underneath or do I go from the top. I don't want to strip the fork internals i...

nwrider · nwrider

how often do i need to repack my stock 06 muffler, are there queiter mufflers out there, i am think about going to a fmf q4, If i do this what kind of jetting do i need to do?

TTRfan · TTRfan

Unlike the originals, the after-market shims are in intervals of .005mm or is that 0.05…. but that is usually sufficient to get the clearance within specification.The TTR shims are 9.48mm in diameter and these guys do them for £2.85 each inc. p&p - http://cgi.ebay.co.uk/VALVE-SHIMS-CRF-R...

tracker · tracker

THE TTR STALLED LUCKILY AS I JUST GOT HOME.IT WOULDN'T RESTART SOUNDED LIKE THE STARTER WASN'T ENGAGING. ON INVESTIGATION THE BOLT HOLDING THE GENERATOR SECURE WAS LOOSE,REMOVED GENERATOR FOUND THE WOODRUFF KEY HAD SHEARED! REPLACED THE KEY.THIS KEY IS 5MM THICK SO? CHECKED TIMING THE CAMS WERE O...

Topic		Started By	Replies	Views	Last Post
	Starting problems (Preview) I've just finished checking the cylinder head of my TTR after a worry some grit got in when I removed the spark plug. There was a bit of fine grit/sand on the crown of the piston but the valves 'seemed' to be clean and were seating ok. After the rebuild, the bike initially started but stopped after a coupl...	Wee Jessie	4	1453	Aug 2, 2011 by TTRfan
	Mystery object! (Preview) I recently bought a TTR for spares and found this little device on the handlebars. The pipe was fixed into the airbox. It looks like an ordinary tyre "air bomb" that has been adapted but, what for All that remains of the sticker on the cannister is a large red F My thoughts are that it was a devi...	TTRfan	3	1463	Jul 29, 2011 by TTRfan
	still no tail light (Preview) i put a hydrolic switch back to my tail light, i disconnected the yellow wires, and ran my hydrolic in between the two yellow wires, and have the blue and black wires unchanged. I cant seem to get a constant tail light action, but the brake light works just fine. How do i get a running light, and a brake lig...	nwrider	6	2655	Jul 28, 2011 by TTRfan
	Carb issues - occasional sputter (Preview) Hey guys. New to the forum! I tried a search for this topic but didn't find what i was looking for. I appreciate any help. I just purchased a 2006 TTR250. Couldn't keep it idling without high rev. I drained the tank (removed it, turned it upside down and rinsed with new gas). I removed the carburetor, pull...	cbass68	4	4897	Jul 17, 2011 by cbass68
	Splitting the forks (Preview) I'm going to get my fork lowers powder coated so need to split the forks on my raid. As I don't want to get smashed in the face with anything under pressure what's the procedure to get the forks apart? Is it the large allen screw from underneath or do I go from the top. I don't want to strip the fork internals i...	spud351	12	1596	Jul 16, 2011 by spud351
	Repacking (Preview) how often do i need to repack my stock 06 muffler, are there queiter mufflers out there, i am think about going to a fmf q4, If i do this what kind of jetting do i need to do?	nwrider	3	1487	Jul 15, 2011 by TTRfan
	UK owners - obtaining valve shims (Preview) Unlike the originals, the after-market shims are in intervals of .005mm or is that 0.05…. but that is usually sufficient to get the clearance within specification.The TTR shims are 9.48mm in diameter and these guys do them for £2.85 each inc. p&p - http://cgi.ebay.co.uk/VALVE-SHIMS-CRF-R...	TTRfan	1	1234	Jul 13, 2011 by Cubber
	WOODRUFF KEY (Preview) THE TTR STALLED LUCKILY AS I JUST GOT HOME.IT WOULDN'T RESTART SOUNDED LIKE THE STARTER WASN'T ENGAGING. ON INVESTIGATION THE BOLT HOLDING THE GENERATOR SECURE WAS LOOSE,REMOVED GENERATOR FOUND THE WOODRUFF KEY HAD SHEARED! REPLACED THE KEY.THIS KEY IS 5MM THICK SO? CHECKED TIMING THE CAMS WERE O...	tracker	2	1442	Jul 9, 2011 by tracker
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