Carburetor Idle Speed Check - KYMCO DINK 125 Service Manual

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3
. INSPECTION/ADJUSTMENT
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
The engine must be warm for accurate
idle speed inspection and adjustment.
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).
3-17
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
DINK50/125
(DINK
125))

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