1970-1979 Ski-Doo Snowmobiles Service Manual, Page 30Get this manual

1970-1979 Ski-Doo Snowmobiles Service Manual, Page 30

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PERIODIC MAINTENANCE AND TUNEUP Table SPARK PLUG APPLICATION Champion Gold Standard Palladium

Silver Sport

W280MZ1

W260MZ1 W340S2S W275T2 M260 Tl W260MZ2 or W280