2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 98Get this manual
Section 03 ENGINES (2-STROKE) Subsection 02 (443 AND 552 ENGINES)
CAUTION: Always install gasket of the proper thicknessFailure to do so may cause detonation and severe engine damageAll Engines Before inserting piston in cylinder no4, lubricate the cylinder with new injection oil or equivalentInstall proper ring compressor on piston assemblyENGINE
A32B0EA
RING COMPRESSOR PN 420 876 090 420 876 972
CIRCLIP READY TO BE INSTALLED ON PISTON
Using plastic hammer, tap pusher to insert circlip in placeTake care to install new circlips with tab toward top as per following photo
NOTE: The ring compressor will not fit on over size pistonsCheck flatness of intake sockets no6Refer to ENGINE DIMENSION MEASUREMENT and look for CHECKING SURFACE FLATNESSAt cylinder no4 andor cylinder head no3 installation, use aligning tool or exhaust manifold itself to ensure sealing of intake manifold and exhaust before tightening cylinder head nutsENGINE 443 and 552 ALIGNING TOOL PN 420 876 171