Fuel/Lubrication/Cooling; Throttle Body - Arctic Cat 2016 Alterra 500 Service Manual

Fuel/Lubrication/Cooling

! WARNING
Whenever any maintenance or inspection is performed
on the fuel system during which there may be fuel leak-
age, there should be no welding, smoking, open flames,
etc., in the area.

NOTE: Arctic Cat recommends the use of new gas-
kets, lock nuts, and seals and lubricating all internal
components when servicing the engine/transmission.
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when performing service procedures in this section.
Refer to the current Special Tools Catalog for the appro-
priate tool description.

NOTE: When indicated for use, each special tool
will be identified by its specific name, as shown in the
chart below, and capitalized.
Description
Oil Pressure Test Kit
Seal Removal Tool
Tachometer

NOTE: Special tools are available from the Arctic
Cat Service Department.
TROUBLESHOOTING
1. Verify that the electric fuel pump is operating by lis-
tening for a "whirring" sound for several seconds
after the ignition switch is turned to the ON position.
If no sound can be heard, see Electrical System - EFI
Sensors/Components.
2. Check for a flashing DTC (Diagnostic Trouble Code)
on the LCD. If a code is flashing, see EFI Diagnostic
System in Electrical System.
3. Make sure there is sufficient, clean gas in the gas
tank.

Throttle Body

REMOVING
1. Turn the ignition switch to the OFF position; then
remove the ignition switch key.
! WARNING
Do not turn the ignition switch to the ON position with
the hoses removed. Gasoline will be pumped by the
electric fuel pump causing a safety hazard.
2. Remove the seat and side panels; then disconnect the
battery.
3. Slowly disconnect the gasline hose connector from
the fuel rail.
Gasoline may be under pressure. Place an absorbent
towel under the connector to absorb any gasoline spray
when disconnecting.
4. Remove the screws securing the throttle actuator
cover to the throttle body; then remove the cover.
XR129A
5. Remove the throttle cable from the actuator arm.
p/n
0644-495
6. Loosen the outer jam nut securing the throttle cable
0644-072
to the throttle body; then route the cable out of the
0644-275
way.
7. Remove the TMAP sensor, fuel injector connector,
ISC connector, and TPS connector.
8. Loosen the clamp securing the air filter housing boot
to the throttle body inlet; then remove the boot from
the throttle body.
XR137A

NOTE: Removing the air filter housing boot from
the filter housing will aid in removing.
9. Loosen the clamp securing the throttle body to the
intake pipe; then slide the throttle body off the intake
pipe.
10. Use tape to cover and seal the intake opening.
Any objects or liquid entering the intake opening will
fall into the engine causing severe damage if the engine
is turned over or started.
! WARNING
CAUTION
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