Honda GX270H Manual page 134

62Z7B000.book 3 ページ ２０１２年９月２７日 木曜日 午前１０時２１分
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CYLINDER HEAD REMOVAL/
INSTALLATION
Set the piston at top dead center of the cylinder
compression stroke (page 3-13).
Remove the following parts:
– Air cleaner (page 6-4)
– Carburetor (page 6-9)
– Control base assy (page 7-2)
– Muffler (page 12-2)
Installation is in the reverse order of removal.
Check the valve clearance, and if necessary, adjust the
clearance.
HEAD COVER PACKING
INSTALLATION:
Note the installation direction.
HEAD COVER
HEAD COVER
BOLT
HEAD COVER
HEAD COVER WASHER
DOWEL PIN (12 x 20 mm) (2)
HEAD
COVER
PACKING
(Apply to the
threads and
FLANGE BOLT
seating surface)
(10 x 80) (4)
35 N·m (3.5 kgf·m, 26 lbf·ft)
REMOVAL/INSTALLATION:
Loosen and tighten the four 10 x 80 mm
flange bolts in a crisscross pattern in 2 – 3
steps.
CYLINDER HEAD/VALVES
FAN COVER
CYLINDER HEAD GASKET
CYLINDER HEAD
INSTALLATION:
Before installing the cylinder head, remove
any carbon deposits from the combustion
chamber, and inspect the valve seat.
After installing the cylinder head, measure
the cylinder compression.
13-3