1997 Ski-Doo Factory Shop Manual Volume Two, Page 93Get this manual
Sub-Section 04
Section 03 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
CRANKCASEROTARY VALVE GAP
ENGINE TYPE Liquid cooled engines MINIMUM 0.27 mm (0.011 in) MAXIMUM 0.40 mm (0.016 in)
A01C3GA
First Method To measure this gap use feeler gauge inserted between rotary valve and upper crankcase with the rotary valve cover in place without its O-ringCheck the most surface as possibleFollow the same procedure with the lower crankcase
A01C3HA
ENGINE TYPE All
NEW PARTS MIN- MAX0.03-0.012 mm (.0001-.0005 in)