Yamaha F200B, Service Manual

Page: 238 / 579

6-29
FUEL
Fuel system
2. Connect the special service tool
1
to the
atmospheric port
a
and block the other
ports
b
with rubber plugs
2
.
3. Apply the specified positive pressure and
check that there is no air leakage.
Replace the canister if there is air leak-
age.
Installing the canister, throttle body,
and surge tank
Do not reuse a gasket, always replace it
with a new one.
1. Install the air pressure sensor
1
, and
then tighten the air pressure sensor bolt
2
to the specified torque.
2. Install a new gasket
3
and the throttle
damper plate
4
, and then tighten the
throttle damper plate bolts
5
to the spec-
ified torque.
3. Install a new gasket
6
, the throttle body
7
and the bracket
8
, and then tighten
the throttle body nuts
9
to the specified
torque.
4. Install the holder 0 and vapor shut-off
valve A , and then tighten the vapor shut-
off valve nut B to the specified torque.
5. Install the throttle body assembly wiring
harness extension coupler
a
to the
holder
b
on the bracket 8 .
6. Fasten the throttle body assembly wiring
harness extension
C and holder 0 using
the plastic tie D .
7. Connect the air pressure sensor coupler
c
and vapor shut-off valve coupler
d
.
Vacuum/pressure pump gauge set
1
:
90890-06756
Specified positive pressure:
19.6 kPa (0.196 kgf/cm
2
, 2.8 psi)
Air pressure sensor bolt
2
:
5 N·m (0.5 kgf·m, 3.7 ft·lb)
2
1
b
a
1
2
Throttle damper plate bolt
5
:
13 N·m (1.3 kgf·m, 9.6 ft·lb)
Throttle body nut
9
:
13 N·m (1.3 kgf·m, 9.6 ft·lb)
Vapor shut-off valve nut B :
5 N·m (0.5 kgf·m, 3.7 ft·lb)
8
9
7
4
5
9
6
3
5
0
D
8
A
C
d
a
c
B
b