2010-2012 PRO-RIDE RUSH Switchback RMK Service Manual, Page 115Get this manual
EngineCoolingExhaust DisassemblyAssembly Process IMPORTANT: Use the mechanical seal installation tool to install the water pump seal, PN: 28720101Remove the coolant from the engine using siphon, wetdry vacor drain pan2Remove the oil tankclutch cover assembly, airbox, exhaust pipe and resonatorRemove the hoses connected to the water pump cover3To access the impeller and mechanical seal, remove the water pump coverDiscard the water pump cover gasket4Remove the impeller nut, impeller and washers from the cross shaft5Carefully pry the mechanical seal and seal out of the crankcase6Water pump assembly is the reverse of disassemblyAlways use new seals and gaskets during assembly7To remove the oil pump, the engine must be removed from the engine compartmentRemove the two fasteners then pull the pump out of the crankcase boreDiscard the o-ring8The cross shaft can be extracted from the water pump side of the crankcase9Assembly is the reverse of disassemblyAlways use new o-rings, seals and gaskets during assembly10Install new seal onto the shaft from the water pump side11To install new water pump seal, use the seal installation tool, PN 2872010Verify the seal lips are facing the cross shaft gear