1970-1973 Ski-Doo Snowmobiles Technical Data Manual, Page 7Get this manual
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1971 MODEL
335E ONE 78 M.M70 M.M335 c.c8: 99-34 30-58 34-34 360 1092 sqin0.330 15" 1534 Electric 75W M-240-T-1 .018"-.022" .014"-.018" gals6.25 gals20:1 Drum Optional Optional
399 T