grand dink 125 mmc Workshop-manual : Page 25

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          1. GENERAL INFORMATION                                 GRAND DINK 125/150



 ENGINE NOISE


                  Symptom          Probable Cause



                                   Valve clearance too large
                  Valve noise
                                   Worn camshaft lobe



                                   Worn piston rings
                  Piston noise     Worn piston pin and connecting rod small
                                   end
                                   Excessive carbon build-up in combustion
                                   chamber




                                   Damaged cam chain tensioner
                Cam chain noise    Worn cam gear teeth
                                   Worn or damaged cam chain
                                   Extended cam chain




                                   Faulty crankshaft bearing
                Crankshaft noise
                                   Worn crank pin bearing




                                   Worn or damaged final reduction gears
                  Gear noise
                                   Worn final reduction gear shaft splines




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