1997 Ski-Doo Factory Shop Manual Volume Two, Page 67Get this manual
Sub-Section 02
Section 03 ENGINE (443 AND 503 ENGINE TYPES)
1 529 0169 00
' over size pistons
NOTE: The ring compressor will not fit on
Check flatness of intake sockets no10Refer to ENGINE DIMENSION MEASUREMENT 03-04 and look for checking surface flatnessAt cylinder no7 andor cylinder head no5 installation, use aligning tool or exhaust manifold itself to ensure sealing of intake manifold and exhaust before tightening cylinder head nutsENGINE TYPE 443 and 503 ALIGNING TOOL PN 420 8761 71
A01B1QA
1Place circlip in 2Restrain 3Oil