Yamaha F100B Service Manual

60C5D11
5-6
1
2
3
4
5
6
7
8
9
Checking the valve clearance
1. Remove the flywheel magnet cover
1
,
cover
2
, disconnect the high-tension
cords
3
and fuel hoses
4
, and then
remove the spark plugs.
2. Turn the flywheel magnet clockwise and
align the TDC mark
a
on the flywheel
magnet with the pointer
b
, and check
that “” marks
c
and
d
on the driven
sprockets are aligned.
CAUTION:
Do not turn the flywheel magnet counter-
clockwise, otherwise the valve system
may be damaged.
3. Loosen the tensioner bolt
5
, and then
remove the timing belt
6
, driven sprock-
ets
7
, and cylinder head cover
8
.
4. Install the driven sprockets
7
and timing
belt
6
, and then tighten the tensioner
bolt
5
.
5. Check the intake valve clearance for cyl-
inders #1 and #2, and the exhaust valve
clearance for cylinders #1 and #3. Adjust
if out of specification.
S60C3220
S60C3120
S60C3230
S60C3240
Power unit

Yamaha F100B Specifications

General

Brand	Yamaha
Model	F100B
Category	Outboard Motor
Language	English