2005 Ski-Doo Racing Handbook, Page 402Get this manual
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SECTION 092005 800 MOD ENGINE KIT
793 75.7 132 PISTON POS(inch) 0.192 0.207 0.222 0.237 0.253 0.270 0.287 0.304 0.322 0.340 0.359 0.378 0.398 0.417 0.438 0.458 0.479 0.501 0.522 0.544 0.5