Ski-Doo 2005 MACH Z, Shop Manual, Page: 79 / 343

Section 02 ENGINE
Subsection 07 (TOP END)
A32B0EA
CIRCLIP READY TO BE INSTALLED ON PISTON
Using a plastic hammer, tap pusher to put circlip
in place. Make sure to install new circlips with tab
toward top as per following photo.
A32C4BA
TAB TOWARD TOP
CAUTION: Always install new mono-hook cir-
clips. If circlip installation fails at the first at-
tempt, always retry with a new one because,
on a second attempt, the circlip will lose its nor-
mal retaining capabilities.
CAUTION: Circlips must not move freely after
installation; if so, replace them.
Before inserting piston in cylinder, lubricate the
cylinder with new injection oil or equivalent.
Cylinder Head and Cylinder Block
If combustion chamber no. 14 was removed, en-
sure its contact surface is clean before installing
it.
A35C11A
Ensure to properly align mounting holes.
Choose the right gasket thickness according
to combustion chamber volume. Refer to EN-
GINE MEASUREMENT. Install selected gasket on
crankcase.
CAUTION: Always install a gasket of the proper
thickness. Failure to do so may lead engine to
poor performance.
Before inserting piston in cylinder, lubricate the
cylinder with new injection oil or equivalent.
To ease cylinder block installation, it is recom-
mended to use a piston ring compressor pliers
such as Snap-ON RC-980 or equivalent.
Bring one piston close to TDC then carefully slide
piston into cylinder.
A35C13A
Torque cylinder block screws following this se-
quence. Torque screws in 2 steps, half torque
first, then to final torque.
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mmr2005-117