1999 Ski-Doo Factory Shop Manual Volume One, Page 97Get this manual
Section 04 ENGINE Subsection 02 (277 ENGINE TYPE)
Install locating sleeveThen push needle bearings along with thrust washers and sleeve
A02C2FA
TYPICAL 1Locating sleeve 2Sleeve
NOTE: 0.25 and 0.5 mm oversize pistons and rings are available if necessaryUse locking tie to fasten all needles and thrust washers along with locating sleeve
A02C2GA
TYPICAL 1Sleeve
INSPECTION