1981 Ski-Doo Shop Manual Supplement, Page 13Get this manual
-BOMBARDIER IGNITION TESTER DIAL POSITION FOR 1981 COMPONENTS ENGINE TYPE GENERATO COIL (charging) HIGH 75 HIGH 70 LOW 85 HIGH 80 LOW 85 LI GHTIN COIL (large) LIGHTING COIL (small)
SECTION 02 SUB-SECTION 04-02, (ELECTRICAL ESTS)
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247 277 377 503 640