2006 Ski Doo REV Service Shop Manual, Page 120Get this manual
Section 03 ENGINES Subsection 05 (TOP END)
Cylinder Head, Cylinder and Piston
ENGINE MEASUREMENT Cylinder head volume 593 engine Cylinder head volume 593 HOSDI engine Cylinder head volume 793 HO engine Cylinder head warpage All engines Cylinder taper All engines Cylinder out of round All engines Pistoncylinder wall clearance 593 engine Pistoncylinder wall clearance 593 HOSDI engines Pistoncylinder wall clearance 793 HO engine Ringpiston groove clearance 593 engine Ringpiston groove clearance 593 HOSDI and 793 HO engines Ring end gap All engines TOLERANCES NEW PARTS (min (max 25.49 cc 25.30 cc 34.76 cc N.A N.AN.A0.104 mm (.004 in) 0.092 mm (.0036 in) 0.103 mm (.002 in) 0.040 mm (.002 in) 0.050 mm (.002 in) 0.40 mm (.016 in) 27.96 cc 27.60 cc 38.07 cc N.A0.05 mm (.002 in) 0.010 mm (.0004 in) 0.136 mm (.005 in) 0.118 mm (.0046 in) 0.147 mm (.003 in) 0.090 mm (.004 in) 0.100 mm (.004 in) 0.55 mm (.022 in) WEAR LIMIT N.AN.AN.A0.50 mm (.02 in) 0.10 mm (.004 in) 0.08 mm (.003 in) 0.20 mm (.008 in) 0.18 mm (.007 in) 0.20 mm (.008 in) 0.20 mm (.008 in) 0.20 mm (.008 in) 1.0 mm (.039 in)