NGK spark plug BR10ES

Faulty spark plugs are bad for your engine. You'll recognize this when you pull away and your scooter keeps skipping a spark. You might also hear popping noises from the exhaust. This is a good reason to install a new spark plug. It's important that the spark plug provides a good spark. It's also common for your scooter or moped to start more and more difficultly. Sometimes cleaning the spark plug helps, but often it's wiser to install a new spark plug. You don't want to get stuck somewhere along the way. So you can walk home with your scooter in hand.