KYMCO ADG5, Manual

Page: 55 / 426

2.Periodic Maintenance XCITING S 400
SPECIAL TOOLS
ITEM TOOL NO. DESCRIPTION
TAPPET ADJUSTER A120E000012 Tappet adjustment
Place a 9 mm box end wrench over the locknut, and loosen the
locknut. If the valve clearance is tight back out the valve tappet
adjusting screws with the tappet adjustment tool. If the
clearance is to loose turn in the adjusting screw until there is a
light drag on the feeler gauge. Hold the adjusting screw locknut
in place with the wrench to make sure it doesn't interfere with
the adjustment.
Lubricate the tappet adjusting screw threads with fresh engine
oil. Hold the adjuster in place and tighten the locknut. Always
recheck the clearance after tightening the locknut. Also,
recheck after turning the engine over a full 360°.
Item Qty
Thread
siize (mm)
Torque
Remarks
kgf-m lb-ft
Valve adjusting lock nut 4 5 0.7-1.1 5.06-7.96 Apply oil to thread
9-35