OEM 125cc Engine – Part # TL-J0026-3 Fits 2023 Massimo Mini 125 Go Kart and Older Models 3-speed semi-automatic transmission Reliable power and torque for off-road fun Direct bolt-in replacement for fast installation Power your ride with the OEM 3-Speed 125cc Engine designed for 2023 and Older models Massimo Mini 125 Go Karts. Engineered for performance, durability, and a perfect fit, this factory replacement motor delivers smooth shifting and reliable power for young riders. Complete with semi-automatic transmission and built to OEM specs, it's the ideal upgrade or replacement to get your go kart back in action.