1983 Ski-Doo Shop Manual, Page 120Get this manual

1983 Ski-Doo Shop Manual, Page 120

Quality of the image is intentionally reduced!

SECTION 02 ENGINE
TYPE 247,277 377,464 503,534 MAXIMUM 1.0 mm (0.039") .08 mm (0.031 ")

Using feeler gauge check clearance between rectangular ring and grooveIf clearance exceeds sp