Honda GXR120T Manual page 31

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MAINTENANCE
Insert a feeler gauge [1] between the valve adjust screw
[2] and valve stem [3] to measure the valve clearance.
VALVE CLEARANCE:
IN: 0.15 ± 0.04 mm (0.006 ± 0.002 in)
EX: 0.20 ± 0.04 mm (0.008 ± 0.002 in)
If adjustment is necessary, proceed as follows.
ADJUSTMENT
Hold the valve adjust screw [1] using the special tool,
and loosen the pivot lock nut [2].
TOOL:
Valve adjuster wrench, 3 mm [3]
Insert a feeler gauge [4] between the valve adjust screw
and the valve stem.
Adjust by turning the adjusting screw until there is a
slight drag on the feeler gauge.
VALVE CLEARANCE:
IN: 0.15 ± 0.04 mm (0.006 ± 0.002 in)
EX: 0.20 ± 0.04 mm (0.008 ± 0.002 in)
Hold the valve adjust screw using the special tool, and
retighten the lock nut to the specified torque.
TORQUE: 7.5 N·m (0.76 kgf·m, 5.5 lbf·ft)
Recheck the valve clearance, and if necessary, readjust
the clearance.
Install the following:
– Head cover (page 13-4)
– Recoil starter (page 10-2)
3-8
[1]
07908-KE90200
[1]
[2]
[3] [4]
[2]
[3]