Examination
1. Leave the engine idling.
2. Disconnect the combined plug of the fuel shut-off valve and the solenoid vent valve.
3. If the engine stops, the fuel shut-off valve is OK, if the engine continues to run, the valve should be replaced.
Removal
1. Remove the air filter.
2. Disconnect the combined plug of the fuel shut-off valve and the solenoid vent valve.
3. Unscrew the fuel shut-off valve -arrow-.
4. Remove the shut-off valve plug from the combination plug housing.
Installation
1. Install the fuel shut-off valve with a new gasket and screw it in.
2. Insert the plug into the combination plug housing.
3. Connect the combination plug.
4. Install the air filter.