1999 Ski-Doo Factory Shop Manual Volume Three, Page 118Get this manual
Section 04 ENGINE Subsection 03 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
ENGINE DIMENSION MEASUREMENT
This section covers all engine types
CYLINDER OUT OF ROUND
ENGINE TYPE 599 and 699 809 MAXIMUM 0.05 mm (.002 in) 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
CYLINDER TAPER