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4.24 Cleanfire Fuel Injection 9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual © 2011 Polaris Sales Inc. Fuel Rail/Injector Removal and Installation Removal/Installation Process NOTE: Do not touch fuel injector inlet/outlet. Leave 1. Open the door panels and remove the hood 2. Relieve fuel system pressure. 3. Disconnect the fuel supply and return hoses from the 4. Remove the ECU, ECU bracket, and oil tank from the 5. Remove the air box intake tube and top to gain access 6. Disconnect the fuel injector assembly wiring harness 7. Remove the two screws that mount the fuel rail to the 8. Carefully pull the rail away from the engine and NOTE: Always use new o-rings/isolators after fuel 9. Using a pick, remove the two fuel injector isolators or 10. Remove the fuel injector o-rings from fuel injectors. Discard the fuel injector o-rings. 11. To reinstall the fuel rail assembly, lightly coat two new fuel injector isolators with two-stroke engine oil. Install 12. Install four new oil-coated fuel injector o-rings. 13. Install both fuel injectors into the cylinder. Carefully install the fuel rail assembly. 14. Tighten fuel rail screws evenly. Once both screws are seated, torque to specification. 15. Reconnect the fuel injector harness wiring connector. 16. Reinstall the air box components. 17. Install the oil tank, ECU bracket, and ECU. 18. Reconnect the fuel supply and return fuel hoses on the fuel pump. FUEL RAIL ASSEMBLY FUEL INJECTOR ASM. 2011-ISOLATOR O-RING A A FUEL RETURN FUEL SUPPLY 2012-GREEN BUSHING = T A: 9 ft-lb (12 Nm) |