Injector Fuel Line Inspection

_• Remove:

Fuel Tank (see Fuel Tank Removal)

Left Center Fairing (see Center Fairing Removal in the Frame chapter)

_• Be sure to place a piece of cloth around the fuel hose joint

and the delivery pipe.

_• Insert a minus screw driver [A] into the slit on the joint lock [B].

_• Turn the driver to disconnect the joint lock.

_• Pull the fuel hose joint [C] out of the delivery pipe.

_• Check the injector fuel line for leakage as follows.

○^{Connect a commercially available vacuum/pressure}

pump [A] to the nipple of the delivery pipe [B] with a

high-pressure fuel hose [C] (both ends connected with the clamps [D]) as shown.

Torque - Fuel Hose Clamp Screws: 1.5 N·m (0.15 kgf·m, 13 in·lb)

○^{Apply soap and water solution to the areas [E] as shown.}

○^{Watching the pressure gauge, squeeze the pump lever}

[F], and build up the pressure until the pressure reaches

the maximum pressure.

Injector Fuel Line Maximum Pressure Standard: 333 kPa (3.4 kgf/cm², 48 psi)

_• Watch the gauge for at least 6 seconds.

If the pressure holds steady, the system is good.

If the pressure drops at once or if bubbles are found in the area, the line is leaking. Replace the delivery pipe, injectors and related parts.

○^{Repeat the leak test, and check the fuel line for no leak-}

age.

_• Install the pump outlet hose (see Fuel Tank Installation).

_• Run the hoses correctly (see Cable, Wire, and Hose Rout-

ing section in the Appendix chapter).

Fuel Injector Circuit

1. ECU

2. Fuel Injectors

3. Water-proof Joint C

4. Engine Stop Switch

5. Ignition Switch

6. Ignition Fuse 10 A

7. Fuel Pump Relay (for fuel pump and injectors)

8. Relay Box

9. Main Fuse 30 A

10. Battery

11. Frame Ground

12. Joint Connector

Throttle Grip and Cables

Throttle Grip Free Play Inspection

_• Refer to the Throttle Control System Inspection in the Pe- riodic Maintenance chapter.

Throttle Grip Free Play Adjustment

_• Refer to the Throttle Control System Inspection in the Pe- riodic Maintenance chapter.

Throttle Cable Installation

_• Install the throttle cables in accordance with Cable, Wire, and Hose Routing section in the Appendix chapter.

_• Install the lower ends of the throttle cables in the cable

bracket on the throttle body assy after installing the upper

ends of the throttle cables in the grip.

_• After installation, adjust each cable properly.

Throttle Cable Lubrication

_• Refer to the Chassis Parts Lubrication in the Periodic Maintenance chapter.

Idle Speed Inspection

_• Refer to the Idle Speed Inspection in the Periodic Main- tenance chapter.

Engine Vacuum Synchronization Inspection/Ad- justment

_• Refer to the Engine Vacuum Synchronization Inspection

in the Periodic Maintenance chapter.

High Altitude Performance Adjustment

_• Any modification is not necessary in this model since the inlet air pressure sensor senses inlet air pressure

change due to high altitude and the ECU compensates the change.

Throttle Body Assy Removal

_• Remove:

Air Cleaner Housing (see Air Cleaner Housing Removal)

Center Fairings (see Center Fairing Removal in the Frame chapter)

_• Disconnect:

Main Throttle Sensor Connector [A]

Fuel Hose Lower End [B] Vacuum Hose [C]

_• Disconnect:

#1, #2 Injector Connector [A]

Subthrottle Sensor Connector [B] Subthrottle Sensor Actuator Connector [C]

_• Loosen:

Holder and Duct Clamp Bolts