2004 Skidoo Tundra Skandic Series Service Manual, Page 169Get this manual

2004 Skidoo Tundra Skandic Series Service Manual, Page 169

Section 04 ENGINE Subsection 05 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
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
RINGPISTON GROOVE CLEARANCE
Using feeler gauge check clearance between upper compression ring and grooveReplace piston if clearance exceeds specified toleranceRefer to TECHNICAL DATA