2005 Ski-Doo Racing Handbook, Page 444Get this manual
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SECTION 11COMPETITION PREPARATION
800 HO SUMMIT
MIN INSTALLED cc FLAT PLATE cc SQUISH mm 34,8 1,74 33,06 35,4 1,77 33,63 1,05 0,40 0,65 MAX 36,54 37,17 1,45 0,057
SQUIS