2. Remove the seat; then disconnect the battery.
Fuel/Lubrication/Cooling NOTE: Arctic Cat recommends the use of new gaskets, 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 technician when performing service procedures in this section. Refer to the current Special Tools Catalog for the appropriate tool description. Description Oil Pressure Test Kit
3. Remove the storage compartment cover and air filter housing cover; then remove the air filter. 4. Loosen the clamp securing the air filter housing boot to the throttle body inlet; then remove the boot from the throttle body. 5. Slowly disconnect the gasline hose connector from the fuel rail.
! WARNING Gasoline may be under pressure. Place an absorbent towel under the connector to absorb any gasoline spray when disconnecting.
p/n 0644-495
Seal Removal Tool
0644-072
Tachometer
0644-275
NOTE: Special tools are available from the Arctic Cat Service Department.
TROUBLESHOOTING 1. Verify that the electric fuel pump is operating by listening for a “whirring” sound for several seconds after the ignition switch is turned to the ON position. If no sound can be heard, see Electric Fuel Pump/Fuel Level Sensor in this section. 2. Check for a flashing DTC (Diagnostic Trouble Code) on the LCD. If a code is flashing, see appropriate Diagnostic Trouble Codes (DTC) in Electrical System. 3. Make sure there is sufficient, clean gas in the gas tank. 4. Verify that the battery is sufficiently charged to crank the engine over at normal speed. 5. Check the air filter housing and air filter for contamination. Clean or replace as necessary (see Periodic Maintenance).
FI092A
6. Remove the screw securing the throttle actuator cover to the throttle body; then remove the cover. 7. Remove the throttle cable from the actuator arm. 8. Loosen the outer jam nut securing the throttle cable to the throttle body; then route the cable out of the way. 9. Remove the MAP sensor (A), fuel injector connector (B), ISC connector (C), and TPS connector (D).
Throttle Body ! WARNING Whenever any maintenance or inspection is performed on the fuel system during which there may be fuel leakage, there should be no welding, smoking, open flames, etc., in the area.
REMOVING (500/550/700) 1. Turn the ignition switch to the OFF position; then remove the ignition switch key.
HDX136A
10. Remove the cap screws securing the intake pipe to the cylinder head and remove the throttle body assembly; then remove the intake pipe from the throttle body. Account for an O-ring.
! 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.
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