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FUEL SYSTEM
s
GENERAL
• Bending or twisting the control cable will impair smooth operation and could cause the cables to stick or bind, resulting
in
loss
of
vehicle control.
• Work
in
a well ventilated area. Smoking or allowing flames or sparks
in
the work area
or
where gasoline
is
stored can cause a
fire or explosion.
• When disassembling fuel system parts, note the locations of the 0-rings. Replace them with new ones upon reassembly.
• Before disconnecting the fuel feed hose, relieve fuel pressure from the system (page 7-6).
•
Do
not snap the throttle valve from full open to full close after the throttle cable has been removed. It may cause incorrect idle
operation.
• Seal the intake ports with tape or a clean cloth
to
keep dirt and debris from entering the engine after the throttle body has been
removed.
•
Do
not damage the throttle body. It may cause incorrect throttle valve operation.
• Prevent dirt and debris from entering the throttle bore and air passages after the throttle body has been removed. Clean them
using a compressed air
if
necessary.
•
Do
not loosen or tighten the white painted nut and screw of the throttle body. Loosening or tightening them can cause throttle
valve and idle control failure.
• The parts
of
the throttle body not shown
in
this manual should not be disassembled.
• For fuel level sensor inspection (page 21-19).
SPECIFICATIONS
ITEM
SPECIFICATIONS
Throttle body identification number '13 model
GQMHA
After '13 model
GQMNA
Throttle grip freeplay
2 - 6 mm
(0.1
- 0.2 in)
Fuel pressure at idle
'13 model
294 kPa (3.0 kgf/cm
2
,
43 psi)
After '13 model
263-
316 kPa (2.7 - 3.2 kgf/cm
2
,38
-46
psi)
Fuel pump flow (at 12 V)
'13 model
98
cm
3
(3.31
US
oz,
3.45 Imp oz) minimum/10 seconds
After '13 model
82
cm
3
(2.
77
US
oz,
2.89 Imp oz) minimum/10 seconds
TORQUE VALUES
ITEM
Q'TY
THREAD
TORQUE
REMARKS
DIA. (mm)
N·m (kgf·m,
lbMt)
Fuel pump set plate nut
4 6 12 (1.2, 9) For tightening sequence;
See page 7-12
Air cleaner housing mounting bolt
2 6
11
(1.1, 8)
Rear inner fender socket bolt
- Air cleaner side
1 6 3.5 (0.36, 2.6)
Sensor unit torx screw ('13 model)
3 5
3.4 (0.35, 2.5)
Sensor unit mounting screw
2 4
2.1
(0.21, 1.5)
('After
13
model)
Throttle cable bracket mounting screw
1 5
3.4 (0.35, 2.5)
('13 model)
Throttle cable bracket mounting bolt
1 5 3.4 (0.35, 2.5)
(After '13 model)
Throttle cable adjust lock nut
1
7 3.8 (0.39, 2.8)
(After '13 model)
Throttle cable nut (throttle body side)
2 8
8.5 (0.87, 6.3)
See page 7-15
(After '13 model)
IACV torx screw ('13 model)
2 4
2.1
(0.21, 1.5)
IACV screw (After '13 model)
3
4
2.1
(0.21, 1.5)
Insulator band bolt
2 5
5 (0.51, 3.7)
7-4
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