2004 Ski-Doo Racing Handbook, Page 215Get this manual
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SECTION 062004 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