Ski-Doo Ski Doo MX Z 2005 [1045/1429] Leak test

Ski-Doo Ski Doo MX Z 2005 [1045/1429] Leak test
Section 04 ENGINE (4-TEC)
Subsection 01 (LEAK TEST)
LEAK TEST
VERIFICATION
Before performing the cylinder leak test, verify the
following:
clamp(s) tightness
radiator and hoses
oily contamination on leak indicator hole means
a damaged oil seal on water pump shaft
coolant out of leak indicator hole means a dam-
aged rotary seal on water pump shaft (refer to
COOLING SYSTEM)
coolant escaping from water pump housing
means damaged gasket(s) and/or loosened
screws (refer to COOLING SYSTEM).
NOTE: For all the checkpoints mentioned above,
see the appropriate engine section to diagnose
and repair the engine.
LEAK TEST PROCEDURE
NOTE: The following instructions are valid for both
cylinders.
PREPARATION AND TEST
NOTE: The following procedures should be done
with a cold engine.
PREPARATION
Disconnect battery.
WARNING
Always respect this order for disassembly;
disconnect BLACK (-) cable first. Electrolyte
or fuel vapors can be present in engine com-
partment and a spark may ignite them and
possibly cause personal injuries.
Remove:
radiator cap.
Unplug and remove ignition coil.
Remove spark plug from cylinder head.
NOTE: Ignition coil can help removing spark plug.
1
R1004motr28A
2
1. Ignition coil
2. Spark plug
Remove valve cover.
2
R1004motr34A
1
1. Ratchet wrench
2. Valve cover
mmr2005-021 175

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