TrailMaster 300-Series EFI Parts

TrailMaster 300 EFI O2 Oxygen Sensor

OEM oxygen sensor for compatible TrailMaster 300-series go-karts equipped with the ROJO electronic fuel-injection system. The oxygen sensor threads into the exhaust and reports exhaust oxygen...

TrailMaster 300 EFI Fuel Injector

  This genuine TrailMaster fuel injector is a replacement component for TrailMaster 300-series go-karts equipped with the ROJO electronic fuel-injection system. Fits TrailMaster 300 XRS EFI...

TrailMaster 300 EFI Throttle Body

This genuine TrailMaster throttle body is a replacement component for the ROJO electronic fuel-injection system used on TrailMaster 300-series EFI machines. The throttle body controls the airflow...