1984 Ski-Doo Shop Manual, Page 155Get this manual
SECTION 02 ENGINE SUB-SECTION 08 (ENGINE DIMENSIONS MEASUREMENT)
CONNECTING ROD BIG END AXIAL PLAY
TYPE MINIMUMMAXIMUM (WEAR LIMIT)
0 .10 .20 0.30 0.50 1.00-
mm mm mm mm mm
(.004") L008") L012") L020") L040")247 only
micrometer vernier
247,277,377, 447,462,503 534
0.201.00 mm L008.039") 0.401.20 mm.01.047")
Total shim thickness needed for the end-play adjustment is determined with the following procedure: a) Measure crankcase halves as illustrated (M, and M2)A standard compressed crankcase gasket will have 0.30 mm L012") thickness (M31Add these measurements to obtain dimension" A"