2005 Ski-Doo REV Series Shop Manual, Page 152Get this manual
Section 03 ENGINES Subsection 07 (ENGINE MEASUREMENT)
NOTE: 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 tolerance1 2
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 rebore and install oversize piston depending on engineNOTE: Make sure the cylinder bore gauge indicator is set exactly at the same position as with the micrometer, otherwise the reading will be false
A01C0QA
1Transfer port 2Intake port
CRANKSHAFT DEFLECTION