Ski-Doo Ski Doo MX Z 2005 [1120/1429] Assembly

Ski-Doo Ski Doo MX Z 2005 [1120/1429] Assembly
Section 04 ENGINE (4-TEC)
Subsection 07 (CRANKCASE)
NOTE: Carefully press-in the plain bearings in the
same direction as during disassembly, from the
case inside towards the outside.
NOTE: Place the proper support sleeve (P/N 529
035 944) under PTO crankcase half before in-
stalling the plain bearings. There is no support
sleeve for alternator side crankcase half. For
bracing of the crankcase half use a suitable wood-
en block or other support (refer to BEARING
REMOVAL PROCEDURE above).
CAUTION: Suitable support sleeve must have
straight surface.
During reassembly, make sure not to damage the
sealing surfaces of the crankcase halves.
PLAIN BEARING INSTALLER/REMOVER
Alternator side
PTO side
529 035 913
SUPPORT SLEEVE
PTO side 529 035 944
CAUTION: Mark position of oil bore in plain
bearing on crankcase half. Align mark on
plain bearing installer/remover with mark on
crankcase half. Wrong oil bore position will
stop oil supply to plain bearing and will dam-
age the engine.
2
R1004motr124A
1
1. Crankcase
2. Oil bore
CAUTION: The partition of the plain bearings
must be positioned near the groove (refer to
no. 3 in next illustration) of the crankcase.
1
R1004motr125A
3 2
1. Crankcase
2. Partition
3. Groove
NOTE: UseanO-ring( 55 x 1 to 1.5 mm (.04
to .06 in) thickness) to hold plain bearings in place
during installation. The O-ring will disappear in the
groove of the plain bearing installer/remover.
Assembly
The assembly of crankcase is essentially the re-
verse of removal procedure. However, pay atten-
tion to the following details.
NOTE: Clean oil passages and make sure they are
not clogged.
Clean all metal components in a solvent.
NOTE: At installation, replace gasket no. 5.
NOTE: Oil the plain bearings before mounting the
crankshaft.
Reinstall all other parts (refer to LUBRICATION
SYSTEM).
Torque screws no. 4 M6 x 65 to 9 Nm(80lbfin).
Torque screws no. 3 M8x90to24Nm(18lbfft).
Tightening sequence for screws on crankcase is
as per following illustration.
254 mmr2005-027

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