12. COOLING SYSTEM                                                                     DINK50/ 125


 Install the water pump shaft and shaft inner              Snap Ring         Water Pump Shaft
 bearing into the waster pump assembly.
 Install the snap ring to secure the inner
 bearing properly.




                                                                  Inner Bearing


                                                                          Water Pump Assembly
 Install the dowel pins and a new gasket and
 then install the water pump assembly to the
 right crankcase cover.
 Tighten the 3 bolts to secure the water
 pump assembly.
 When installing the water pump
   assembly, aligning the groove on the
   water pump shaft with the tab on the oil
   pump shaft.




                                                                  Bolts



                                                Mechanical Seal      Seal Washer (Porcelain)
 WATER PUMP/IMPELLER
 INSTALLATION

 When the mechanical seal is replaced, a
 new seal washer must be installed to the
 impeller.




                                                                            Impeller


                                                                                        12-16