Ski-Doo Ski Doo MX Z 2005 [971/1429] Section 03 engines 2 stroke subsection 03 593 and 593 ho sdi engines

Ski-Doo Ski Doo MX Z 2005 [971/1429] Section 03 engines 2 stroke subsection 03 593 and 593 ho sdi engines
Section 03 ENGINES (2-STROKE)
Subsection 03 (593 AND 593 HO SDI ENGINES)
A32B0EA
CIRCLIP READY TO BE INSTALLED ON PISTON
Using a plastic hammer, tap pusher to insert circlip
in place. Take care 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 as on a sec-
ond attempt circlip will lose its normal retain-
ing capabilities.
CAUTION: Circlips must not move freely after
installation; if so, replace them.
Clean cylinders no. 4 and crankcase mating sur-
faces with Loctite Chisel (P/N 413 708 500).
Coat crankcase mating surface with Loctite 518
(P/N 293 800 038). Choose the right gasket thick-
ness according to combustion chamber volume.
Refer to LEAK TEST AND ENGINE DIMENSION
MEASUREMENT. Install it on crankcase. Coat
gasket with Loctite 518.
CAUTION: Always install a gasket of the proper
thickness. Failure to do so may cause detona-
tion and severe engine damage.
Before inserting piston no. 18 in cylinder no. 4,lu-
bricate the cylinder with new injection oil or equiv-
alent.
Install cylinders. Do not tighten.
Install new rubber ring and round O-rings on each
cylinder.
A32C4CA
TYPICAL
NOTE: Carefully clean screws before reinstalla-
tion, specifically under screw head.
Install exhaust manifold with gaskets. Do not
tighten yet.
At assembly, torque cylinder head screws using
the following table and as per the following illus-
trated sequence.
ENGINE
593
593 HO SDI
29 Nm(21lbfft)
29 Nm
(21 lbfft)
Cylinder head screw
with knock sensor:
23 Nm(17lbfft)
98 mmr2005-012

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