Gas Scooter Parts: Ignition Coil - 50cc-150cc GY6 Scooter Engines. $9.99. X98-0862. Complete Clutch Assembly with Driver Pulley & Clutch Bell for GY6 125cc & 150cc GY6 Scooters & Go Karts. $25.99. Y52-6070. High Output Racing Performance Ignition Coil for 150cc 4-Stroke GY6 Go-Kart & Scooter Engines. $11.99. F79-8706. Kid Kart carbs and tuning tend to be the weakness of most teams. There are some basics we can share. These basics should significantly improve the tuning you do throughout the weekend so your jetting is perfect for the main event. The basics - The Kid Kart carb made by Dellorto is a very simply float style carb. It has very few parts..