1980 Ski-Doo Shop Manual, Page 17Get this manual
SECTION 02 SUB-SECTION 03-01, (ENGINE TOLERANCES MEASUREMENT)
TOLERANCES AND WEAR LIMIT ENGINE TYPE CYLINDER BORE (NOMINAL) STD OVERSIZE PISTON TO WALL CLEARANCE MIN- MAX
1980 ENGINES
CRANKSHAFT END PLAY MIN- MAX
MAXIMUM RING END CAP
69.00 mm (2.7165") 72.00 mm (2.B346") 59.50 mm (2.3425") 62.00 mm (2.4409") 69.50 mm (27362") 67.50 mm (2.6575") 69.50 mm (2.7362") 72.00 mm (28346") 76.00 mm (2.9921 ")
69.50 mm (2.7362") 72.25 mm (2.B445") 59.75 mm (2.3524") 62.25 mm (2.450B") 69.75mm (2.7461") 67.75mm (2.6673") 69.75 mm (2.7461") 72.25 mm (2.B445") 76.50 mm (3.0118")
0.065-0.200 mm (0026-.00B") 0.060-0.200 mm (0024-.00B") 0.OBO-0.1BO mm (0031-.007") 0070-0.200 mm (0028-.00B") 0.070-0200 mm (002B-.00B") 0.090-0.200 mm (0035-.00B") 0.070-0200 mm (0028-.00B") 0.060-0.200 mm (0024-.00B") 0.070-0.220 mm (.002B-.OOB")