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SERVICE INFORMATION
GENERAL
• 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.
• Before disconnecting the fuel feed hose, relieve fuel pressure from the system (page 7-4).
• Bending or twisting the control cables will impair smooth operation and could cause the cables to stick or bind, resulting in loss
of vehicle control.
• 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 or fuel rail
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 22-21).
• The following color codes are used throughout this section.
G = Green
P = Pink
SPECIFICATIONS
Throttle body identification number
Idle speed
Throttle grip freeplay
Fuel pressure at idle
Fuel pump flow (at 12 V)
TORQUE VALUES
ITEM
Fuel pump mounting nut
Air cleaner connecting hose band
screw
Insulator band screw
R = Red
ITEM
THREAD
Q'TY
DIA. (mm)
6
6
1
4
2
5
W = White
Y = Yellow
SPECIFICATIONS
GQ3UA
1,200 ± 100 min
2 – 6 mm (1/16 – 1/4 in)
343 kPa (3.5 kgf/cm
3
230 cm
(7.8 US oz, 8.1 Imp oz) minimum/10 seconds
TORQUE
N·m (kgf·m, lbf·ft)
12 (1.2, 9)
For tightening sequence (page 7-14)
1.5 (0.2, 1.1)
–
See page 7-18
FUEL SYSTEM
-1
(rpm)
2
, 50 psi)
REMARKS
7-3
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