kxr maxxer 250 300 Werkstatthandbuch : Seite 104

          8. CYLINDER/PISTON                                                                  ATV 300/250

 SPECIFICATIONS                                                                  Unit: mm (in)
                     Item                               Standard              Service Limit
                I.D.                           72.70572.715                 72.8 (2.912)
                                               (2.90822.9086)
 Cylinder       Warpage                                                     0.05 (0.002)
                Cylindricity                                                0.05 (0.002)
                True roundness                                              0.05 (0.002)
                                  Top          0.0150.055                   0.09 (0.0036)
                Ring-to-groove                 (0.00060.0022)
                clearance                      0.0150.055
                                  Second                                    0.09 (0.0036)
                                               (0.00060.0022)
                                  Top          0.150.3 (0.0060.012)         0.5 (0.02)
  Piston,       Ring end gap      Second       0.30.45 (0.0120.018)         0.65 (0.026)
  Piston ring                     Oil ring     0.20.7 (0.0080.028)          0.9 (0.036)
                Piston O.D.                    72.6772.69                   72.6 (2.904)
                                               (2.90682.9076)
                Piston O.D. measuring position 10 mm from bottom of skirt           
 .                                             0.010.04
                Piston-to-cylinder clearance                                0.1 (0.004)
                                               (0.00040.0016)
                Piston pin hole I.D.           17.00217.008                 17.04 (0.6816)
                                               (0.680080.68032)
  Piston pin O.D                               16.99417                     16.96 (0.6784)
                                               (0.679760.68)
  Piston-to-piston pin clearance               0.0020.014                   0.02 (0.0008)
                                               (0.000080.00056)
  Connecting rod small end I.D. bore           17.01617.034                 17.06 (0.6824)
                                               (0.680640.68136)




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