Piston Disassembly/Assembly - Honda GX270H Manual

62Z7B000.book 13 ページ ２０１２年９月２７日 木曜日 午前１０時２１分
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PISTON DISASSEMBLY/ASSEMBLY

Remove the piston(page 14-6).
PISTON RING SET
ASSEMBLY:
Be sure that the top ring and second ring are
not interchanged.
Install the top ring and second ring on the
piston with the maker mark side facing up.
Check that the piston rings rotate smoothly
after installing them.
Space the piston ring end gaps 120 degrees
apart, and do not align the ring end gaps with
the piston pin bore.
PISTON
PISTON PIN
PISTON PIN CLIP (2)
ASSEMBLY:
Install by setting one end of the piston pin
clip in the groove of the piston pin bore,
holding the other end with long needle
pliers, and rotating the clip in.
Do not align the end gap of the piston pin
clip with the cutout of the piston pin bore.
PISTON PIN CLIP
CUTOUT
MAKER MARK
10 mm (0.4 in)
10 mm (0.4 in)
TOP RING
SECOND RING
OIL RING
END GAP LONG END
TOP RING
(Chrome plated)
120°
SECOND RING
120°
120°
SIDE RAIL
SPACER
SIDE RAIL
CONNECTING ROD UPPER
ASSEMBLY:
Set the connecting rod upper with
the long end toward the mark on
the piston head.
CRANKCASE
OIL RING
(COMBINATION
RING)
MARK
PISTON
14-13