KYMCO Dink 50, Service Manual

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3
. INSPECTION/ADJUSTMENT
3-17
DINK50/125
Adjust by loosening the valve adjusting screw
lock-nut (8) and turning the adjusting screw
(9) until there is a slight drag on the thickness
gauge (10).
Valve Clearance : IN: 0.1 mm (0.004 in)
EX: 0.1 mm (0.004 in)
Apply oil to the valve adjusting screw lock-
nut threads and seating surface.
Hold the adjusting screw and tighten the lock
nut to the specified torque.
Torque: 0.9 kgf-m (9 N-m, 6.5 lbf-ft)
Special tool:
Valve adjuster A120E00036
After tightening the lock-nut, recheck the
valve clearance.
Install the removed parts in the reverse order
of removal.
CARBURETOR IDLE SPEED
Warm up the engine before this operation.
Start the engine and connect a tachometer.
Turn the throttle stop screw (1) to obtain the
specified idle speed.
Idle Speed : 1700 rpm—DINK 125
2100±100 rpm—DINK 50
When the engine misses or run erratic, adjust
the pilot screw (2).
IN: 0.1 mm (0.004 in)EX: 0.1 mm (0.004 in)
DINK 125
IN: 0.05mm
±
0.01mm(0.0016 in~0.0024in)
EX: 0.05mm
±
0.01mm(0.0016 in~0.0024in)
DINK 50
The engine must be warm for accurate
idle speed inspection and adjustment.
＊
(DINK 125) )