quannon 125 Workshop-manual : Page 35

          3. LUBRICATION SYSTEM                                                            QUANNON125


 SERVICE INFORMATION

 GENERAL INSTRUCTIONS
 · The service and maintenance of this section can be performed with the engine installed in the
   frame.
 · Use care when removing and installing the oil pump not to allow dust and foreign matters to enter
   the engine and oil line.
 · The oil pump must be replaced as a set when it reaches its service life.
 · After the oil pump is installed, check each part for oil leaks and improper lubrication.
 · When removing and installing the oil cooler, be careful not to bend or deform the oil pipe.


 SPECIFICATIONS

                          Item                         Standard (mm)       Service Limit (mm)
                Inner rotor-to-outer rotor clearance                              0.20
     Oil pump Outer rotor-to-pump body clearance                                  0.20
                Rotor end-to-pump body clearance        0.0150.10                 0.15



 TROUBLESHOOTING
 Oil level too low                                     Engine burns
 ·   Natural oil consumption                           · Low or no lubrication pressure
 ·   Oil leaks                                         · Clogged oil passages
 ·   Worn or poorly installed piston rings             · Not use the specified oil
 ·   Worn valve guide or seal
 ·   Clogged or leaky oil pipe




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