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XR250 Valve Adjustment...I can't figure it out!!!
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[QUOTE="TexKDX, post: 650179, member: 16276"] I set mine this way: - Clean bike really well - pull tank and seat - clean bike again! - remove rocker access plugs - pull the left side access plugs (to see TDC marks and turn crank with I think a 14mm socket) - find TDC - verify on compression stroke - loosen nuts on adjuster - tighten the inner part with a screwdriver to full contact but not loading up the valve spring - for the intakes, back off 1/4 turn - for the exhausts back off 1/3 turn - tighten up nuts - button it all back together Guess what - my valve train clatters, especially when cold. This is with all new valves and springs BTW. I have about 400-500 miles on it since the last valve job and adjustment, so there should be some tightening taking place. I'd rather live with a little clatter than have them get tight and burn. If you choose to use feelers, then the Motion Pro ones are the way to go for the XR RFVC head design. If you have the adjustments totally hozed up and are not sure if you are on compression TDC, you can always pull the whole valve cover and check the position of the cam. The cover uses a reusable steel gasket, so you can just slap it back on. Be sure and follow the torque specs in the book for it though because the valve cover is more than just a valve cover on the RFVC engine. It holds the rockers as well. Leo. [/QUOTE]
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Dirt Bike Brands - Other
XR250 Valve Adjustment...I can't figure it out!!!
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