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xs650 > > Motorcycle Systems > > Engine > > valve clearances |
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tweedy64 Full Member
Joined: Aug 17, 2007 Posts: 278 Location: wiltshire, England
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Posted: August 5, 2008, 7:44 am Post subject: valve clearances |
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Hi guys i know this subject has been covered a million times but would like your input on the subject, i have an 80 xs with xsperformance filters n BSA style mufflers on now my valve clearances i set per book intake 0.002 and exhaust 0.006. Was thinking of putting the intake up to 0.003. What effects would this achieve and what you guys running yours at? your opinion and expert advice always welcome. cheers tweedy xsxsxsxsxsxsxs
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xsjohn Full Member
Joined: Jul 30, 2006 Posts: 5857 Location: North Carolina USSA
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Posted: August 5, 2008, 7:56 am Post subject: Re: valve clearances |
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.002 is too tight.....increases overlap and makes idol a bit weak....4 is right but will clatter.......3 will work on the valve tips faster than 4.......I would set it a 4 and put up with a bit of clatter.......catch 22 with these for sure....xsjohn
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tweedy64 Full Member
Joined: Aug 17, 2007 Posts: 278 Location: wiltshire, England
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Posted: August 5, 2008, 7:58 am Post subject: Re: valve clearances |
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Thanks John, how about the exhaust are they ok at 0.006 ?
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xsjohn Full Member
Joined: Jul 30, 2006 Posts: 5857 Location: North Carolina USSA
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Posted: August 5, 2008, 8:01 am Post subject: Re: valve clearances |
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Yea........6...........xsjohn
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