1996 Ski-Doo Shop Manual, Volume 1, Page 95Get this manual
Se ion EN GI Sub-Section 02 (377, 443 AND 503 ENGINE TYPES)
Pusher 21 mm (.826 in)
A021 002004 A021 002002
Use locking tie to fasten all needles and thrust washers along with sleeves
NOTE0.25 and 0.5 mm oversized piston and rings are available if necessary,
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 piston pin is correctly positionned in piston
INSPECTION
Refer to ENGINE DIMENSIONS MEASUREMENT 04-03
ASSEMBLY