zx scout 50 Manuel atelier : Page 10

          2. GENERAL INFORMATION                                                   ZX / SCOUT 50


 SERVICE INFORMATION

 ENGINE                                         Standard (mm)           Service Limit (mm)
                   Item                           SC10AS                      SC10AS
 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.                       20.0120.025                    
 Movable drive face ID.                         20.03520.085                  19.97
 Weight roller O.D.                                 13.0                       12.4
 Clutch outer I.D.                               107107.2                     107.5
 Driven face spring free length                     87.9                       82.6
 Driven face O.D.                                                              
 Movable driven face I.D.                                                      
 Connecting rod big end side clearance                                         
 Connecting rod big end radial clearance                                       
 Crankshaft runout A/B                                                         


 CARBURETOR                                                       SC10AS
 Venturi dia.                                                      14mm
 Identification number                                              014A
 Float level                                                       5.0mm
 Main jet                                                            #80
 Slow jet                                                            #35
 Air screw opening                                                  1 
 Idle speed                                                     2100100rpm
 Throttle grip free play                                          26mm
 Jet needle clip notch                                            1st notch


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