2005 Ski-Doo RT Series Shop Manual, Page 76Get this manual
Section 02 ENGINE Subsection 07 (TOP END)
Cylinder Head, Cylinder Block and Piston
ENGINE MEASUREMENT Cylinder head volume Cylinder taper Cylinder out of round Pistoncylinder wall clearance TOLERANCES NEW PARTS (min (max 44.84 cc N.A48.97 cc 0.04 mm (.0016 in) WEAR LIMIT N.A0.10 mm (.004 in)
A32CD3A
0.008mm 0.015 mm 0.08 mm (.0003 in) (.0006 in) (.003 in) 0.115 mm 0.151 mm 0.20 mm (.0045 in) (.0059) in) (.008 in)
Ringpiston 0.045 mm 0.090 mm 0.20 mm groove clearance (.002 in) (.004 in) (.008 in) Ring end gap 0.550 mm 0.70 mm (.022 in) (.027 in) 1.0 mm (.039 in)
Piston and Cylinder Block Replacement NOTE: There is no oversize piston availableThis engine uses pistons with tolerance groups; therefore, when piston needs to be replaced, it is important to correctly identify its tolerance group before proceeding with its replacementThe pistons and cylinders are identified by the letters "A" or "B"