Engine Removing/Installing - F/M/Xf 800 - Arctic Cat Sno Pro 120 Service Manual

Engine Removing/
Installing - F/M/XF 800
This engine sub-section has been organized to show a
progression for the removing/installing of the Arctic Cat
800 cc (F/M/XF) engine. For consistency purposes, this
sub-section shows a complete and thorough progression;
however, for efficiency it may be preferable to remove
only those components needing to be addressed. Also,
some components may vary from model to model. The
technician should use discretion and sound judgment.
 NOTE: Some illustrations and photographs used in
this section are used for clarity purposes only and
are not designed to depict actual conditions.
 NOTE: Whenever a part is worn excessively, cracked,
or damaged in any way, replacement is necessary.
SPECIAL TOOLS
A number of special tools must be available to the technician
when performing service procedures in this engine section.
Description
Drive Clutch Bolt Tool
Drive Clutch Puller
Drive Clutch Spanner Wrench
Hood Harness Extension
 NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
CAUTION
Never attempt to substitute any other drive clutch puller
for the recommended puller or severe clutch or crank-
shaft damage will occur.
Removing
 NOTE: For assembling purposes, note cable tie loca-
tions securing the harness and cables to the chassis.
 NOTE: Prior to removing the engine, disconnect the
hood harness and remove the side access panels; then
remove the screws securing the hood to the chassis.
2-20
1. Remove the rear belt guard; then remove the exhaust
temperature sensor from the expansion chamber.
2. Remove all springs securing the expansion chamber
and resonator; then remove the expansion chamber
and resonator.
3. Remove the cap screw from the driven pulley and
slide the driven pulley (along with the drive belt) off
the driven shaft. Account for alignment washers.
4. Using Drive Clutch Bolt Tool, remove the cap screw
and high-collar washer securing the drive clutch to
the crankshaft.
5. Using Drive Clutch Puller and Drive Clutch Spanner
Wrench, tighten the puller. Remove the drive clutch.
 NOTE: If the drive clutch will not release, sharply
strike the head of the puller. Repeat this step until the
clutch releases.
6. Remove the two screws (A) securing the heat shield
to the chassis; then remove the heat shield from the
two front locating pins (B) and remove the heat
shield.
p/n
0644-281
0744-062
0644-136
1686-660
7. Disconnect the ECU; then remove the screws secur-
ing the right and left-side fascia panels to the chassis.
Remove the panels and ECU as an assembly.
8. Remove the caps screws securing the PTO-side front
spar to the steering support and shock mount bracket;
then remove the spar.
 NOTE: Take care to not drop the spar inserts and
nuts when removing the spar.
746-089A
PC189A
PC188A