1972 Ski-Doo Shop Manual, Page 6Get this manual
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INTRODUCTION ,7
One 76mm 66mm 299cc 15 7:1 Manual 100" 30-5S"
Two 2x64.5mm 2x61mm
Two 7 Smm 70mm 335cc 20 9: Electric
24 9: Manual 100" 30-5S" 34-34" 349 1