Yamaha F200B, Service Manual

Page: 313 / 579

7-54
7
TIP:
Slightly turn the VCT assemblies in direction
f
to remove any free play
g
before tighten-
ing the VCT bolts M .
14. Install a new gasket N and the VCT cap
O , and then tighten the VCT cap to the
specified torque while securing the VCT
assembly using the special service tool
P . NOTICE: When tightening the VCT
cap, do not secure the camshaft. Oth-
erwise, the VCT assembly could be
damaged. When tightening the VCT
cap, do not turn the driven sprocket.
Otherwise, the intake and exhaust
valves could collide with each other
and be damaged.
15. Align the “II” marks
h
on the VCT
assembly (PORT) and driven sprocket
(PORT) by turning them counterclock-
wise 60° gradually.
NOTICE: Do not
turn the VCT assembly (PORT) and
driven sprocket (PORT) counterclock-
wise more than 60°, and do not turn
the VCT assembly (STBD) and driven
sprocket (STBD). Otherwise, the
intake and exhaust valves could col-
lide with each other and be damaged.
TIP:
Be careful when turning the VCT assembly
and driven sprocket. Depending on the posi-
tion of the camshafts, the force of the valve
springs may cause the VCT assembly and
driven sprocket to be rotated too far.
16. Align the “
L L L L
” mark
a
on the drive
sprocket with the “
L L L L
” mark
k
on the cyl-
inder block by turning the crankshaft
clockwise 60° gradually.
NOTICE: Do
not turn the crankshaft clockwise
more than 60°. Otherwise, the piston
and valves could collide with each
other and be damaged.
VCT bolt
M
: 60 N·m (6.0 kgf·m, 44.3 ft·lb)
Sheave holder P : 90890-01701
M
I
M
L
K
L
N
O
O
P
VCT cap
O
: 32 N·m (3.2 kgf·m, 23.6 ft·lb)
PORT
h
S6P25480
PORT STBD
a
k
Camshaft