2002 Ski-Doo Shop Manual Volume One, Page 147Get this manual
Section 04 ENGINE Subsection 05 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
Position the dial bore gauge at 16 mm (58 in) below cylinder top edge
RING END GAP
Position ring half-way between transfer ports and intake portNOTE: In order to correctly position the ring in the cylinder, use piston as pusherUsing feeler gauge, check ring end gapReplace ring if gap exceeds specified toleranceRefer to TECHNICAL DATA1 A
F01D0KA
1Measuring perpendicularly (90) to piston pin axis A16 mm (58 in)
Read the measurement on the cylinder bore gaugeThe result is the exact pistoncylinder wall clearanceIf clearance exceeds specified tolerance, replace cylinder or reboreRefer to TECHNICAL DATANOTE: Make sure the cylinder bore gauge indicator is set exactly at the same position as with the micrometer, otherwise the reading will be false