Adjusting The Valve Clearance - Yamaha F4B Service Manual

POWR
b
e
d
g
4. Slowly pull the starter handle to align the
TDC mark b on the flywheel magnet and
the pointer c of the manual starter.
TIP:
Make sure that the rocker arms are not push-
ing the intake and exhaust valves.
5. Measure the intake and exhaust valve
clearances d and e.
7-3
Power unit
e
c
a
f
e
b
c
d
Valve clearance:
Intake d and exhaust e:
0.08–0.12 mm (0.003–0.005 in)
6. Install a new gasket h, the cylinder head
cover f, the holders c, d, i, and
ground lead b, and then tighten the bolts
e in the order a, b, and so on.
NOTICE: Do not reuse a gasket,
always replace it with a new one.
e
e
7. Install the ground leads a, b and
engine shut-off switch lead a to the
holders c and d.

Adjusting the valve clearance

Adjust the valve clearances when the engine
e
is cold.
f
h
e
a
d
c
b
e
b
c
b
d
i
e
c
a
a
d