NOTE
1. The engine speed is more than 6 000 r/min (rpm).
2. The throttle opening is more than 12°.
Fuel Pump Lead Connector [A] Extension Tube [B]
Special Tool - Extension Tube: 57001-1578

Primary Fuel Injector [B] Secondary Fuel Injector [C]
A sound scope can also be used.
The click interval becomes shorter as the engine speed rises.

If all the fuel injectors click at a regular intervals, the fuel injectors are normal.
If any fuel injector does not click, check the fuel injector resistance (see Fuel Injector Resistance Inspection).

Fuel InjectorsCoolant Flow Chart
1. Radiator
2. Radiator Fan
3. Water Pump
4. Oil Cooler
5. Oil Cooler Intake Hose
6. Oil Cooler Outlet Hose
7. Cylinder Jacket
8. Cylinder Head Jacket
9. Thermostat Housing
10. Air Bleeder Hose
11. Radiator Cap
12. Radiator Overflow Hose
13. Reserve Tank
14. Reserve Tank Overflow Ho ...
Sidestand Installation
Replace the sidestand nut [A] with a new one.
Apply grease to the sliding areas [B].
Tighten the sidestand bolt [C] first, and then the sidestand
nut.
Torque - Sidestand Bolt: 44 N·m (4.5 kgf·m, 32 ft·lb)
Sidestand Nut: 29 N·m (3.0 kgf·m, 21 ft·lb)
Install the spring [D] as sh ...
Air Switching Valve
Air Switching Valve Operation Test
Refer to the Air Suction System Damage Inspection in the
Periodic Maintenance chapter.
Air Switching Valve Unit Test
Remove the air switching valve (see Air Switching Valve
Removal in the Engine Top End chapter).
Set the hand tester [A] to the × 1 ...