2010 Polaris Sportsman 850 Service Manual, Page 156Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 156

ENGINE Crankcase Assembly 123456Prepare upper and lower crankcase and install all components as described on page 5.50 through
not include water pump repair, leave the water pump cover assembled to the stator cover and remove as an assemblyNOTE: The
water pump impeller can be removed without removing the engineSee Chapter "Cooling System" for procedure Water Pump Mechanical
Seal ReplacementCoupler Shaft and Bearing Replacement IMPORTANT: Water pump mechanical seal removal is not required to service
the engine or to remove the stator coverIf engine service does not include water pump repair, remove the stator cover as
an assemblyNOTE: The water pump mechanical seal, coupler shaft, and bearing can be serviced without removing the engineSee
Chapter "Cooling System" for procedure 10Install all crankcase bolts and tighten all lightly by hand11Inspect mating surfaces
to be sure they are joined properlyInvestigate the cause of any gaps12Torque all crankcase in sequence shown on page 5.57