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Dirt Bike Brands - Other
XR250 Valve Adjustment...I can't figure it out!!!
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[QUOTE="Fastbelly, post: 1029089, member: 26786"] I have exactly the same problem on my XR250, it was a little noisey so i did the adjustmnt, now i am sure I had TDC on the exhaust stroke. Inlets were spot on. The left exhaust valve was a little tight, so I did that one. The righ exhaust valve was tight. I had to back it out over three turns to get a feeter in there. So I set that and now it sounds like a massey fergason! It's just that one valve that is making the noise. If it were three turns too tight I cant see how it would have had compression let alone run, and it did run fine before the adjustment. Very strange. I have the road version with the electric start so I donr think it had a decompressor to mess with my adjustments. Any ideas? Fastbelly PS I used .1mm and .12mm as per the hand book. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
XR250 Valve Adjustment...I can't figure it out!!!
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