Ski-Doo Ski Doo MX Z 2005 [590/1429] Cleaning

Ski-Doo Ski Doo SUMMIT 2005 [590/1429] Cleaning
Section02ENGINE
Subsection 08 (BOTTOM END)
TROUBLESHOOTING
Before completely disassembling the engine, pro-
ceed with an engine leak test. Refer to LEAK
TEST.
GENERAL
During assembly/installation, use torque values
and service products as shown in exploded
view(s).
Clean threads before applying a threadlocker. Re-
fer to SELF-LOCKING FASTENERS and LOCTITE
APPLICATION at the beginning of this manual for
complete procedure.
WARNING
Torque wrench tightening specifications
must strictly be adhered to. Locking de-
vices (e.g.: locking tabs, elastic stop nuts,
self-locking fasteners, cotter pin, etc.) must
be installed or replaced with new ones where
specified. If the efficiency of a locking device
is impaired, it must be renewed.
PREPARATION
Remove engine from chassis. Refer to REMOVAL
AND INSTALLATION.
Remove cylinder head and cylinder block. Refer
to TOP END.
Remove rewind starter. Refer to REWIND
STARTER.
Remove magneto flywheel, stator plate and CPS.
Refer to MAGNETO SYSTEM.
CLEANING
Discard all oil seals, gaskets, O-rings and sealing
rings.
Clean all metal components in a non-ferrous metal
cleaner.
Crankcase mating surfaces are best cleaned using
a combination of the Loctite chisel (P/N 413 708
500) and a brass brush. Brush a first pass in one
direction then make the final brushing perpendic-
ularly (90°) to the first pass cross (hatch).
CAUTION: Never use a sharp object to scrape
away old sealant as score marks incurred are
harmful to crankcase sealing. Do not wipe with
rags. Use a new clean hand towel only.
DISASSEMBLY
General
Remove cylinder head and cylinder block. Refer
to TOP END.
Remove rewind starter. Refer to REWIND
STARTER.
Remove magneto flywheel and stator. Refer to
MAGNETO SYSTEM.
PTO Seal
PTO seal no. 1 may be removed without splitting
up crankcase.
Remove snap ring no. 2 then extract seal.
A35C19A
Crankcase
Remove crankcase screws and split up crankcase.
Withdraw crankshaft no. 5 and counterbalance
gears no. 9.
Crankshaft Bearing
To remove bearings no. 3 and no. 4 from crank-
shaft no. 5, install half rings (P/N 420 977 479) and
puller ring (P/N 420 977 494) on the outer bearing.
64 mmr2005-118

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