1997 Ski-Doo Factory Shop Manual Volume Two, Page 90Get this manual
Section 03 ENGINE Sub-Section 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
ENGINE DIMENSION MEASUREMENT
This section covers all engine types
CYLINDER TAPER
ENGINE TYPE All MAXIMUM 0.08 mm (.003 in)
Compare cylinder diameter 16 mm (58 in) from top of cylinder to just below its intake port areaOn rotary valve engines, measure just below auxiliary transfer port, facing exhaust portIf the difference exceeds the specified dimension the cylinder should be rebored and honed or should be replacedNOTE: Be sure to restore the chamfer around all cylinder sleeve port openings
A01C54A
1Piston pin position 2Measures to be compared A16 mm (58 in)