Close the two gasoline shut-off valves, located on the engine and the bottom of the fuel tank. This will prevent fuel leakage when transporting or storing your ROKON. This is a key item when transporting your ROKON for example on the wheel free carrier.
Start the engine and allow it to run until it stops from lack of fuel. This will use up all the fuel in the carburetor and prevent the formation of deposits due to evaporation of fuel.
Disconnect fuel line and permit all fuel to drain from the gasoline tank. Replace the fuel line.