zing 125 qe Workshop-manual : Page 26

          2. INSPECTION/ADJUSTMENT                                                        ZING125
                                                                        Bolts


  VALVE CLEARANCE
 Inspect and adjust valve clearance while
    the engine is cold (below 35).
  Remove the right and left side covers.
  Remove the cylinder head cover protector.
  Remove the cylinder head cover.




  Rotate the generator flywheel to locate the
  camshaft on the top dead center (TDC) and
  align the "T" mark on the flywheel with the
  mark on the left crankcase cover.
 After    adjustment, rotate the crankshaft
    several turns to make sure that the valve
    clearance is correct.
  Inspect and adjust the valve clearance.
  Valve Clearance: IN : 0.06mm
                     EX: 0.06mm


  Loosen the lock nut and adjust by turning the
  adjusting bolt.
  Special tool:
  Valve Wrench      E012
 Check the valve clearance again after the
   lock nut is tightened.



  CARBURETOR IDLE SPEED                                      Feeler Gauge
 The engine must be warm for accurate
   idle speed inspection and adjustment.
  Turn the throttle stop screw to obtain the
  specified idle speed.
  Idle Speed: 1600100rpm
  When the engine misses or run erratic, adjust
  the pilot screw.




                                                  Throttle Stop Screw       Pilot Screw
2-5