Kawasaki Ninja Owners Manual: Engine Stop Switch - Right Handlebar Switches

In addition to the ignition switch, the engine stop switch must be in the
position for the motorcycle to operate.

The engine stop switch is for emergency use. If required, move the switch to the position.

Although the engine stop switch stops the engine, it does not turn off all the electrical circuits. Ordinarily, the ignition switch should be used to stop the engine.

Starter Button

The starter button operates the electric starter when the transmission is in neutral. Refer to the Starting the Engine section of the “How to Ride the Motorcycle” chapter for starting instr ...

Other materials:

Troubleshooting guide
Engine Does Not Start Starter Motor Won’t Turn Engine stop switch off Transmission not in neutral Fuse blown Battery leads do not make good electrical contact with battery terminals Battery discharged Engine Cranks, But Won’t Start No fuel in tank Fuel line clogged Fuel ...

Front Fork
The front fork operation and oil leakage should be checked in accordance with the Periodic Maintenance Chart. For various riding or load conditions the front fork can be adjusted for: Spring preload Rebound damping force Compression damping force WARNINGImproper fork leg adju ...

Oxygen Sensor Heater Power Source Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the oxygen sensor lead connector and connect the measuring adapter [A] between these connectors as shown in the fig ...