1969 Ski-Doo Snowmobiles Service Manual, Page 9Get this manual

1969 Ski-Doo Snowmobiles Service Manual, Page 9

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ROTA (ENGINE) SPECIFICATIONS TYPE 300 320 370 371 368 C.C22 H.PTWO 62 MM 61 MM 9.1:1 368 C.C19 H.PTWO 62 MM 61 MM 9.15:1 318 C.C18 H.PONE 76 MM 70 MM 8.8:1 299 C.C12.5 H.PONE 76 MM 66 MM 6.5: .004 to