Arctic Cat Sno Pro 120 2011, Service Manual

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Engine Servicing -
500/600 cc
This engine sub-section has been organized to show a
progression for servicing of the Arctic Cat 500/600 cc
engines. For consistency purposes, this sub-section
shows a complete and thorough progression; however,
for efficiency it may be preferable to disassemble only
those components needing to be addressed. Also, some
components may vary from model to model. The techni-
cian should use discretion and sound judgment.

NOTE: Critical torque specifications can be found in
Section 1 of this manual.

NOTE: Some illustrations and photographs used in
this section are used for clarity purposes only and
are not designed to depict actual conditions.
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when performing service procedures in this engine
section.

NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Disassembling
1. Remove the exhaust manifold from the engine.
Account for flange nuts and gaskets; then remove the
clamp securing the coolant supply hose from the cyl-
inder head to the water pump. Remove the hose from
the engine.
2. Using the Flywheel Spanner Wrench to secure the
flywheel, remove the flywheel cap screw and flat
washer; then remove the three starter pulley cap
screws and remove the pulley.
FC014
FC015
3. Install Flywheel Puller Insert onto the end of the
crankshaft; then using Flywheel Puller, remove the
flywheel from the crankshaft by tightening the puller
bolt, striking the head of the puller bolt with a ham-
mer, and tightening again. Repeat this procedure
until the flywheel is free. Account for the key.
FC016
Description p/n
Ball Hone
0644-292
Flywheel Spanner Wrench
0144-007
Flywheel Puller
0744-040
Flywheel Puller Insert
0644-179
Oil Seal Protector Tool
0644-219
Piston Pin Puller
0644-328
Surface Plate
0644-016
Water Pump Bearing and Seal Tool Kit
0644-557
Vacuum Test Pump
0644-131
V Blocks
0644-535
CAUTION
To prevent damage to the crankshaft, do not thread
puller bolts more than 1/2 in. into the flywheel. Damage
to the coils may result.
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