Page 238 - Manual_Polaris_RZR_ProXP-20-21
P. 238

ENGINE / COOLING SYSTEM


                4. Carefully install the camshafts into the cylinder head.  8. Verify TDC mark on the flywheel is still properly
                   The PTO camshaft lobes t should face out.            aligned (see Step 1).
                                                                     9. Pull cam chain upward, making sure it is engaged
                                                                        with the drive sprocket on the crankshaft.
                                                                     10.While lifting the cam chain up, engage the cam
                                                                        sprockets into the chain with the “I” and “E” marks
                                                                        facing out.
                                                                     11. Install the sprockets onto the camshafts and align the
                                                                        sprocket marks with the valve cover gasket surface
                                                                        (refer to Camshaft Timing Quick Reference page
                                                                        3.97).
                                                                                           NOTICE
                                                                        Intake cam sprocket should have “I” marks aligned
                                                                       close to gasket surface and the exhaust cam sprocket
                                                                                 should have “E” marks aligned.
                                                                       Install the exhaust cam sprocket first to ensure proper
                5. Carefully install the rear camshaft carriers onto the
                   camshafts. Carriers should face each as shown.                        cam timing.
                6. Install the four bolts that retain each rear camshaft
                   carrier y and tighten the bolts evenly until snug.  12.Use new camshaft sprocket retaining bolts upon
                                                                        assembly. Install the top bolt i in each camshaft
                                                                        sprocket u. Do not torque the bolts at this time.




















                7. Install the Cylinder Holding & Camshaft Timing Plate
                   (PU-50563) into the end of camshafts as shown. Use
                   an open-end wrench to rotate camshafts slightly.                        NOTICE
                                                                         Use new sprocket retaining bolts upon assembly.


























                3.94                                                       9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
                                                                                                © Copyright Polaris Industries Inc.
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