vitality 50 2t 4t 1 Workshop-manual : Page 11

          2. GENERAL INFORMATION                                                       VITALITY 50


 SERVICE INFORMATION (2-STROKE)

 ENGINE                                         Standard (mm)              Service Limit (mm)
                   Item                                       VITALITY 50
 Cylinder head warpage                                                             0.10
 Piston O.D.(5mm from bottom of piston skirt)   38.95538.970                      38.90
 Cylinder-to- piston clearance                                                     0.10
 Piston pin hole I.D.                           12.00212.008                      12.03
 Piston pin O.D.                                 11.99412.0                       11.98
 Piston-to-piston pin clearance                                                     
 Piston ring end gap (top/second)                 0.100.25                         0.40
 Connecting rod small end I.D.                  17.00517.017                      17.03
 Cylinder bore                                   39.039.025                       39.05
 Drive belt width                                    18                             17
 Drive pulley collar O.D.                       19.9619.974                       19.94
 Movable drive face ID.                         20.01120.052                       20.6
 Weight roller O.D.                              15.9216.08                        15.4
 Clutch outer I.D.                               107107.2                         107.5
 Driven face spring free length                     87.9                           82.6
 Driven face O.D.                               33.96533.985                      33.94
 Movable driven face I.D.                       34.00034.025                      34.06
 Connecting rod big end side clearance                                              
 Connecting rod big end radial clearance                                            
 Crankshaft runout A/B                                                              


 CARBURETOR                                                       VITALITY
 Setting mark                                                      PB168A
 Type                                                                PB 14
 Float level                                                        8.6mm
 Main jet                                                  #85 (Speed limit type: #72)
 Slow jet                                                             #35
 Air screw opening                                                 2 1/21/2
 Idle speed                                                      1850100rpm
 Throttle grip free play                                           26mm
 Jet needle clip notch                                             1st notch



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