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Last post 11-25-2008 7:33 PM by sweet73. 5 replies.
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sweet73
Joined on
07-23-2008
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can someone tell me the formula for gearing and is the final ratio of the cat clutch? Is it 1:1 at full shift? thanks
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dyna-tek racing
Joined on
07-28-2005
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standard cat clutches you should use 1 to 1, it is best to pick up a racer manual to get all the gear ratio to speed charts .ill try and get it on here the best i can.
max RPM top sprocket track pitch* drive sprocket 60
--------------- * -------------------- * ----------------------------------------- * -------------------------
clutch ratio bottom sprkt 12 5280
*= multiply there is no key for it
master mechanic-outboard,sterndrive,pwc,snowmobile.
dynamometer facility
crank repair -cylinder repair-trail and race motors-shock service
clutch machining and balancing.
complete racer support- free technical support-racer discount programs
Todd Guthrie 1-260-316-2839 or www.caseyscove.com click on dyna-tek
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sweet73
Joined on
07-23-2008
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thanks Todd. So am i right with my calculations?? using 9300 as rpm,cat clutch ratio, 20-46 gearing,2.52 pitch with 9 tooth drivers i get 86.84 MPH am i correct? thanks again for the help
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dyna-tek racing
Joined on
07-28-2005
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that what my math figures it to be,just remember those numbers only hold true if there is no track slippage or belt slippage
master mechanic-outboard,sterndrive,pwc,snowmobile.
dynamometer facility
crank repair -cylinder repair-trail and race motors-shock service
clutch machining and balancing.
complete racer support- free technical support-racer discount programs
Todd Guthrie 1-260-316-2839 or www.caseyscove.com click on dyna-tek
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sweet73
Joined on
07-23-2008
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ok, thanks again.At least now i know where i'm at.
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