kpw 50 Workshop-manual : Page 29

          2. INSPECTION/ADJUSTMENT                                                               K-PIPE 50
                                                  Cylinder Head Cover
  VALVE CLEARANCE
 Inspect and adjust valve clearance while
    the engine is cold (below 35).
  Remove the cylinder head cover.




                                                                        Bolts

                                                        "T" Mark
  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
  Tappet adjuster            E012
 Check the valve clearance again after the
    lock nut is tightened.




  CARBURETOR IDLE SPEED
 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: 1700100rpm
  When the engine misses or run erratic, adjust
  the air screw.
 When adjusting the carburetor, make
     sure to use a E/M tester.
                                                   Air Screw                    Throttle Stop Screw



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