1989 Ski-Doo Repair Manual, Page 179Get this manual
Section 02 ENGINE Sub-section 07 (583 ENGINE TYPE)
NOTE: .25 rnm oversize piston and ring are available if necessary
INSPECTION
The inspection of the engine top end must include the following measurements:
TOLERANCES MEASUREMENTS FITTING NEW PARTS (MIN,) (MAX,) WEAR LIMIT
0 .08 rnrn (0031") 0.05 rmn (0020") 0.70 mm (008"1 0.20 mm (008") 1.0 mm (039"1
RAVE system
NOTE: RAVE stands for Rotax Adjustable Variable Exhaust
39,40,42, Spring, coverspring clip
Remove spring clip, cover and spring
Cylinder taper
N.AN.A0 .11 rTHTl (0041") 0.04 rnm 1002") 0.20 mrn (008")
NA N.A0.13 rnrn0049"1 .11 mrn (004"1 0.35 mrn
37,38, Clamp 50 mmvalve piston
Cut clamp and unscrew valve pistonCylinder out of round Cylinder piston clearance Ring piston groove clearance Iling end cap