2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 138Get this manual
Section 03 ENGINES (2-STROKE) Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
ENGINE DIMENSION MEASUREMENT
This section covers all engine types
CYLINDER OUT OF ROUND
ENGINE TYPE All MAXIMUM 0.08 mm (.003 in)
CYLINDER HEAD WARPAGE
ENGINE TYPE MAXIMUM 0.05 mm (.002 in) per 50 mm (2 in) of surface 0.5 mm (.020 in) for total length of cylinder head
Check gasketed surface of the cylinder head with straightedge and feeler gauge
Measuring 16 mm (58 in) from top of cylinder with cylinder gauge, check if the cylinder out of round is more than the specified dimensionIf larger, cylinder should be rebored and honed or should be replacedNikasil cylinder can be honed using diamond hone but can not be reboredNOTE: Be sure to restore the chamfer around all cylinder sleeve port openings