If your motorcycle engine is flooded, there are several steps you can take to drain the excess fuel and get it running again. Here's a general procedure you can follow:
Turn off the fuel supply: Locate the fuel valve on your motorcycle and ensure it is in the "Off" position. This step prevents additional fuel from entering the engine during the draining process.
Remove the spark plugs: The spark plugs are responsible for igniting the fuel mixture in the engine. Remove the spark plugs using a spark plug wrench or socket wrench, usually found near the cylinder head. This step allows you to access the combustion chambers.
Disconnect the ignition system: To prevent any accidental starting of the engine, disconnect the ignition system. You can do this by either removing the spark plug wires or disconnecting the ignition coil or CDI unit, depending on your motorcycle's configuration.
Crank the engine: Place a towel or rag over the spark plug holes to catch any fuel spray. Engage the starter motor or kick-start the engine several times to crank it over. This action helps expel the excess fuel from the combustion chambers and exhaust system.
Let the engine rest: Allow the motorcycle to sit for a few minutes to allow any remaining fuel to evaporate or drain out.
Clean or replace the spark plugs: Inspect the spark plugs for any signs of fouling, such as excessive fuel deposits. If necessary, clean the spark plugs using a wire brush or replace them with new ones.
Reassemble and start the motorcycle: Once you've completed the above steps, reinsert the spark plugs and reconnect the ignition system. Turn on the fuel valve, ensure the motorcycle is in neutral, and attempt to start the engine. It may take a few tries before the engine starts running smoothly again.
If the flooding issue persists or you encounter any difficulties during this process, it's recommended to consult your motorcycle's owner's manual or seek assistance from a qualified mechanic.