3-14
dummyhead
dummyhead
MAINTENANCE
Insert a thickness gauge [1] between the valve rocker
arm [2] and valve stem [3] to measure the valve
clearance.
If adjustment is necessary, proceed as follows.
ADJUSTMENT
Hold the rocker arm pivot [1] and loosen the pivot
adjusting nut [2].
Insert a thickness gauge [3] between the valve rocker
arm and the valve stem.
Adjust by turning the adjusting screw until there is a
slight drag on the feeler gauge.
Hold the rocker arm pivot and retighten the pivot
adjusting nut to the specified torque.
Recheck the valve clearance, and if necessary, readjust
the clearance.
Replace the head cover packing with a new one and
install the removed parts in the reverse order of
removal.
• Route the high-tension cord and breather tube
properly (page 2-11).
VALVE CLEARANCE:
GX120/GX200:
IN: 0.15 ± 0.02 mm (0.006 ± 0.001 in)
EX: 0.20 ± 0.02 mm (0.008 ± 0.001 in)
GX160:
IN: 0.08 ± 0.02 mm (0.003 ± 0.001 in)
EX: 0.10 ± 0.02 mm (0.004 ± 0.001 in)
[2]
[3]
[2]
[3]
[1]
VALVE CLEARANCE:
GX120/GX200:
IN: 0.15 ± 0.02 mm (0.006 ± 0.001 in)
EX: 0.20 ± 0.02 mm (0.008 ± 0.001 in)
GX160:
IN: 0.08 ± 0.02 mm (0.003 ± 0.001 in)
EX: 0.10 ± 0.02 mm (0.004 ± 0.001 in)
TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)
[3]
[1]
[2]
62Z4H000.book 14 ページ 2011年5月20日 金曜日 午前10時5分