1996 Ski-Doo Shop Manual, Volume 1, Page 80Get this manual
Se ion EN GI Sub-Section 01 (247 AND 277 ENGINE TYPES)
Pusher 21 mm (.826 in)
A021 002004
A021 002002
nNOTE0.25 and 0.5 mm oversize pistons and rings are available if necessary" Use locking tie to fasten all needles and thrust washers along with sleeves
Mount piston over connecting rod with the letters "AUS" (over an arrow on the piston dome) facing in the direction of exhaust port (see illustration below) Install piston pin puller (PN 5290210 00) and turn handle" until p"iston pin is correctly positioned in piston