1986 Ski-Doo Factory Shop Manual, Page 102Get this manual

1986 Ski-Doo Factory Shop Manual, Page 102

Quality of the image is intentionally reduced!

Section 02 ENGINE Sub-section 05 (462 ENGINE TYPE)
Clean the piston ring grooves with groove cleaner tool, or with piece of broken ring
NOTE: The letters "AUS" (over an arrow on the piston