1986 Ski-Doo Factory Shop Manual, Page 189Get this manual

1986 Ski-Doo Factory Shop Manual, Page 189

Quality of the image is intentionally reduced!

Section 02 ENGINE Sub-section 09 (537 ENGINE TYPE)
Shorter threaded pall

Piston notch

400 !OO 200 1

20, Crankcase studs
Because of cap nuts, cylinder