Page 227 - Manual_Polaris_RZR_ProXP-20-21
P. 227

ENGINE / COOLING SYSTEM


                   9. Install the Cylinder Holding & Camshaft Timing Plate  5. Install oil drain diverter e into the upper crankcase.
                      (PU-50563) r onto the cylinder. The cylinder holding
                      tool retains the cylinder and pistons when the engine
                      is rotated.








                                                                                                                              3








                                                                         6. Apply Polaris PS-4 engine oil to each main and rod
                                                                            bearing journal of crankshaft r.


                   CRANKSHAFT INSTALLATION

                                         NOTICE
                     Whether installing a new crankshaft or re-installing the
                       original, refer to the bearing selection charts (see
                       Crankshaft Main Bearing Selection page 3.79 and
                        Connecting Rod Bearing Selection page 3.78.


                   1. Rotate the engine so the cylinder is facing down.
                   2. Clean the bearing bore surfaces of upper crankcase
                      (main bearings), connecting rods and connecting rod
                      caps.
                   3. Align tab of new main bearing q with the slot in main  7. Loop cam chain t and oil pump drive chain y over
                      bearing bore of crankcase. Press bearing insert firmly  crankshaft sprockets.
                      into place. Repeat for all main bearings.





















                                                                         8. Apply Polaris PS-4 engine oil to the new crankshaft
                   4. Align tab of new connecting rod bearings w with the   oil seal u and install the seal on the PTO end of the
                      slot in the connecting rod stem and connecting rod    crankshaft.
                      end cap. Press bearing insert firmly into place.
                      Repeat for the other connecting rod.



                   9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual                                           3.83
                   © Copyright Polaris Industries Inc.
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