mxu 500 irs efi Manuale-dofficina : Pagina 75

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          4. LUBRICATION SYSTEM                                                                  MXU 500 IRS


 SERVICE INFORMATION

 GENERAL INSTRUCTIONS
 · The oil pump service may be done with the engine installed in the frame.
 · When removing and installing the oil pump use care not to allow dust or dirt to enter the engine.
 · If any portion of the oil pump is worn beyond the specified service limits, replace the oil pump as
   an assembly.
 · After the engine has been installed check that there are no oil leaks and that oil pressure is correct.




 SPECIFICATIONS                                                                   Unit: mm
                ITEM                                  STANDARD                      SERVICE LIMIT
             At draining              3 liter                                                
 Engine oil At disassembly            3.6 liter                                              
 capacity
                                                                                             
                                      KYMCO 4-stroke oil or equivalent
                                      motor oil
 Recommended engine oil
                                      API service classification SJ                          
                                      Viscosity: SAE 5W-50
                   Tip clearance      0.15      max                              0.2
 Oil pump rotor Body clearance 0.15 ­ 0.2                                        0.25
                   Side clearance     0.04 ­ 0.09                                0.12



 TORQUE VALUES

 Oil pump screw             0.3 kgf-m (3 N-m )
 Oil strainer screen cap    1.5 kgf-m (15 N-m) Apply oil to the threads and seating surface.
 Oil filter cartridge       1 kgf-m (10 N-m)   Apply oil to the threads and seating surface.
 Oil pipe bolt              3.5 kgf-m (35 N-m) Apply oil to the threads and seating surface.




 Special tool:
 Oil seal & bearing drive    A120E00014




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