6. CYLINDER HEAD/VALVES                                             DINK50/ 125




SPECIFICATIONS(DINK 50)               Unit: mm

                                      Standard (mm)   Service Limit (mm)
                    Item
                                          50cc              50cc
                             IN           0.04               
 Valve clearance (cold)
                             EX           0.04               
 Cylinder head compression pressure    14(kg/cm)             
 Cylinder head warpage                                       
                             IN         25.7611              25.3
 Camshaft cam height
                             EX         25.5628              25.2
                             IN       10.000-10.015         10.10
 Valve rocker arm I.D.
                             EX       10.00-10.015          10.10

 Valve rocker arm shaft      IN        9.972-9.987           9.91
 O.D.                        EX        9.972-9.987           9.91
                             IN            1.0               1.8
 Valve seat width
                             EX            1.0               1.8
                             IN        4.475-4.490           4.4
 Valve stem O.D.
                             EX        4.475-4.490           4.4
                             IN        4.500-4.512          4.580
 Valve guide I.D.
                             EX        4.500-4.512          4.580

 Valve stem-to-guide         IN        0.10-0.037            0.08
 clearance                   EX        0.030-0.057           0.10




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