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AC 01-21-2002, 08:00 PM My brother's 95 sxt 583 is reving at 9000 rpm's. He has a clutch kit (from cudney) and has had his motor modified (40mm carbs, ported, shaved head, gutted air box). Run's real great but too much rpm. Any suggestions to calm that motor a bit? Cudney Racing 01-21-2002, 08:13 PM More Pin weight in the clutch and also try less spring pressure in the secondary. Also since he has these mods what rpm does he want to run the motor. * -- *Bill AC 01-21-2002, 08:39 PM The motor should be running at 8000 peak RPM, He has 20# at secondary. By the way bill, thanks for the kit, mine works awsome http://www.snowmobileworld.com/forums/iB_html/non-cgi/emoticons/tounge.gif | ||