62Y5A11
3-6
1
2
3
4
5
6
7
8
9
2. Remove the spark plugs, fuel pump
2
,
and cylinder head cover
3
.
3. Turn the flywheel clockwise and align the
“1” mark
a
on the driven sprocket with
the “” mark
b
on the cylinder head.
CAUTION:
Do not turn the flywheel counterclock-
wise, otherwise the valve system may be
damaged.
4. Check the intake valve clearance for cyl-
inders #1 and #2, and the exhaust valve
clearance for cylinders #1 and #3. Adjust
if necessary.
5. Turn the flywheel clockwise and align the
“4” mark
c
on the driven sprocket with
the “” mark
b
on the cylinder head.
CAUTION:
Do not turn the flywheel counterclock-
wise, otherwise the valve system may be
damaged.
6. Check the intake valve clearance for cyl-
inders #3 and #4, and the exhaust valve
clearance for cylinders #2 and #4. Adjust
if out of specification.
NOTE:
Adjust the valve clearance when the engine
is cold.
Power unit
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