Arctic Cat M 8000, Service Manual

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129
INSTALLING
4000/8000
1. Attach the throttle cable to the throttle body; then
secure with jam nut. Secure the coolant hoses to
throttle body assembly.
2. Place the throttle body assembly into position. Make
sure the flanges and boots are positioned properly.
Secure with flange clamps.
3. Connect the oil pump control rod.
4. Connect the fuel supply hose to the fuel rail.
729-325A
5. Connect the wiring harness to each injector and
throttle position sensor.

NOTE: Install the air silencer, shock mount bracket
support, and the expansion chamber (see the
Engine-Related Items section).
6. Place the rear of the snowmobile on a shielded safety
stand and start the engine without touching the throt-
tle. It may idle slowly and stop Restart using the
same procedure until the engine starts and builds
RPM on its own.
7. Check the cooling system and adjust the throttle
cable as necessary.
6000
1. Position the intake boot into the chassis.
2. Attach the throttle cable to the throttle body; then
secure with jam nut.
3. Install the coolant hoses to the throttle body and
secure using the clamps.
4. Place the throttle body assembly into position into
the intake manifolds. Secure with the clamps.
5. Connect the wiring harness to the TPS; then position
the intake boot over the throttle body and secure
using the clamps.
6. Connect the ISC hoses to the throttle body using the
clamps.
Throttle Cable
REMOVING
1. Loosen the throttle cable from the bracket; then
remove the throttle cable from the pulley on the
throttle body lever shaft.
2. Remove the cable ties securing the throttle cable.
3. Remove the throttle cable ends from the throttle
lever and from the throttle control housing.
INSTALLING/ADJUSTING
1. Install the throttle cable into the throttle control
assembly making sure the cable snaps into place.
2. Install the throttle cable end on the throttle lever.
3. Route the throttle cable from the throttle control
assembly to the throttle body assembly and oil-injec-
tion pump; avoid any sharp bends or moving compo-
nents.
4. Attach the throttle cable to the pulley on the throttle
body shaft.
5. Secure the throttle cable to the handlebar and steer-
ing post with cable ties.
6. Adjust the throttle cable tension by turning the jam
nuts in the appropriate direction until 0.030-0.060 in.
free-play exists in the throttle lever and the butterfly
completely opens and closes. Tighten the jam nuts
securely.
741-518A
7. Synchronize the oil-injection pump.
CAUTION
Verify the oil pump rod linkage is properly installed or
damage to the engine will occur.
CAUTION
When installing the throttle bodies, make sure the gas-
line hose is properly routed to avoid premature wear
and/or contact with exhaust components.
CAUTION
Compress the throttle control lever to ensure free move-
ment. If the throttle cable sticks or binds, correct the
problem before starting the engine.