Page 157 - Manual Oficina Polaris RZR 570 13-18
P. 157

ENGINE / COOLING SYSTEM

                   CYLINDER INSTALLATION                                 9. Hold the cylinder in place and rotate the engine and
                   1. Clean base gasket sealing surface on cylinder and      position the piston at TDC.
                       crankcase to remove all oil, grease, or old sealant.
                                                                                               NOTE
                   2. Install a new base gasket.
                                                                           If cam chain and flywheel are installed (top end work
                                         NOTE                               only is being performed) hold cam chain tight while
                                                                          rotating the engine to avoid damage to the chain, drive
                      Base gasket and surfaces must be DRY and oil free.           sprocket teeth, or tensioner blade.
                          Use care upon assembly to keep oil away.

                   3. Slide a commercially available Piston Support Block  CYLINDER HEAD ASSEMBLY                             3
                       under piston skirt to support piston during cylinder
                       installation.
                                                                                               NOTE
                                                                           Assemble the valves one at a time to maintain proper
                                                                                               order.


                                                                                              WARNING
                                                                          Wear eye protection during cylinder head disassembly
                                                                          and reassembly or when working with the valve springs.

                                                                         1. Apply engine oil to valve guides and seats.
                                                                         2. Lubricate the valve stems with clean engine oil.
                                                                         3. Install the valve q in the cylinder head, through the
                                                                             guide.

                   4. Apply clean engine oil to cylinder bore and bottom
                       tapered portion of cylinder sleeve.
                   5. Verify all ring end gaps are correctly located on
                       piston. Place cam chain and guides in alignment with
                       chain room.
                   6. Carefully   compress   rings  with   fingers  or
                       commercially available spring compression tool and
                       install cylinder with a slight front to back rocking
                       motion until all rings are captive in cylinder and past
                       the taper of the sleeve.

                   7. Remove support block and ring compressor.
                   8. Push cylinder downward until fully seated on base
                       gasket.
                                                                         4. Carefully install a new valve seal w on the valve
                                                                             guide with a rotating motion. Push firmly until seated
                                                                             in retaining groove and square with the guide
                                                                         5. Dip the seat e, valve spring r and retainer t in
                                                                             clean engine oil.
                                                                         6. Install the valve spring seat e.















                   9926813 R06 - 2013-2016 RZR 570 Service Manual                                                     3.59
                   © Copyright Polaris Industries Inc.
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