Fuel/Lubrication/Cooling
3. 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.
! 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.
4. Remove the screws securing the throttle actuator cover to the throttle body; then remove the cover.
NOTE: Textron Off Road 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. 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
p/n 0644-495 0644-072 0644-275
NOTE: Special tools are available from the Textron
Off Road 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 Electrical System — EFI Sensors/Components.
XR129A
5. Remove the throttle cable from the actuator arm. 6. Loosen the outer jam nut securing the throttle cable to the throttle body; then route the cable out of the 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.
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 XR137A
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.
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.
CAUTION Any objects or liquid entering the intake opening will fall into the engine causing severe damage if the engine is turned over or started.
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