Before troubleshooting, remove the following part(s):
- 1. Rider seat
- 2. Fuel tank
- 3. Passenger seat
- 4. Left side cowling
1. Check the fuses. (Main, ignition and fuel injection system) Refer to "Checking the fuses". → Replace the fuse(s).
2. Check the battery. Refer to "Checking and charging the battery". → Clean the battery terminals. Recharge or replace the battery.
3. Check the main switch. Refer to "Checking the switches". → Replace the main switch.
4. Check the engine stop switch. Refer to "Checking the switches". → Replace the right handlebar switch.
5. Check the relay unit (fuel pump relay). Refer to "Checking the relays". → Replace the relay unit.
6. Check the fuel pump. Refer to "Checking the fuel pressure". → Replace the fuel pump.
7. Check the entire fuel pump system's wiring. Refer to "Circuit diagram". → Properly connect or repair the fuel pump system's wiring.
Replace the ECU.