Combustion Chamber Cleaning - Honda GP160H Manual

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MAINTENANCE
ADJUSTMENT
Hold the rocker arm pivot [1] and loosen the pivot lock
nut [2].
Insert a feeler gauge [3] between the valve rocker arm
and the valve stem.
Adjust by turning the rocker arm pivot until there is a
slight drag on the feeler gauge.
VALVE CLEARANCE:
IN: 0.15 ± 0.02 mm (0.006 ± 0.001 in)
EX: 0.20 ± 0.02 mm (0.008 ± 0.001 in)
Hold the rocker arm pivot and retighten the pivot lock
nut to the specified torque.
TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)
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 2-8).

COMBUSTION CHAMBER CLEANING

Remove the cylinder head (page 12-3).
Clean any carbon deposits from the combustion
chamber [1].
Installation is in the reverse order of removal.
3-8
[3]
[1]
[1]
[2]
[1]
[2]