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3.38 Engine/Cooling/Exhaust 9923311 - 2010-2012 PRO-RIDE RUSH/Switchback/RMK Service Manual © 2011 Polaris Sales Inc. Engine Installation 1. Clean the engine compartment. 2. Inspect engine mounts for damage. Replace mounts 3. Verify cooling hose and starter motor power cable NOTE: White tape on wire harnesses and hoses 4. Visually inspect the oil pump setting. If adjustment is 5. With the help of an assistant of engine hoist, lower the 6. Spray the radial inserts on each of the four engine 7. Install all four engine mount screws by hand. Once all 8. Install the torque link adjuster using a new lock nut. 9. Reinstall the surge tank-to-water pump and heat 10. Reinstall the coolant outlet and bypass outlet hoses at the thermostat housing. Open the bleed slightly to 11. If the snowmobile is equipped with electric start, reinstall the starter worm drive shaft, and the starter 12. Reinstall the exhaust gaskets and y-pipe. Torque y- pipe fasteners to specification. 13. Reinstall the throttle cable. Verify the throttle cable freeplay is set to specification. 14. Install the MAG and PTO exhaust valve assemblies using new gaskets. Torque fasteners to specification. 15. Reinstall the lower steering shaft bushing bracket on to the over structure by loosely installing the two = T Engine Mount Bracket: 22 ft-lb (30 Nm) = T Engine Mount Screws: See Page 3.20. = T Torque Link Nut/Screws: 26 ft-lb (35 Nm) = T Exhaust Y-Pipe Screws: 22 ft-lb (30 Nm) = T Exhaust Valve Mounting Screws: 2 ft-lb (16 Nm) Apply Loctite® 242™ = T Lower Steering Shaft Bushing Bracket: 15 ft-lb (20 Nm) GASKET EV ASSEMBLY FASTENERS |