1997 Ski-Doo Factory Shop Manual Volume Three, Page 73Get this manual
Sub-Section 03
Section 03 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
A01C0PA
RING END GAP
Position ring half way between transfer ports and intake portOn rotary valve engines, position ring just below transfer portsNOTE: In order to correctly position the ring in the cylinder, use piston as pusherUsing feeler gauge, check ring end gapReplace ringIf gap exceeds specified tolerance, refer to TECHNICAL DATA 09-02A
A01C55A
A16 mm (58 in)