Engine Info

Introducing the X125T-MX, bringing TaG racing to the next level.  This next-gen TaG engine allows for more power, less vibration, internal water pump, built-in hour meter (Reader is required), one-piece pipe and a 15500 rev limiter with 30hp.  It will be available in a junior or a senior configuration, with restriction at the manifold.


The ever-popular Tillotson HL334A/HL334AB (23mm) carburetor will be used for Senior while the Tillotson 27mm will be used for Heavy/Masters (and the Tryton 27mm allowed regionally).  See homologation pdf below for more technical information. The accessories included are radiator, radiator cover, radiator mounting brackets, dampeners, airbox (with boot and clamp), wiring harness, pipe and battery box (with fixing hardware).


***TAG USA and IKF approved to race nationally in TAG USA and IKF sanctioned events.  Regional Series around the country running the X125T engine include:


  • Northwest Sprint and Road Race Gold Cups,
  • SoCal Major League Karting Sprint,
  • Northern California Karters (NCK) Road Race,
  • NorCal Karters Sprint,
  • Texas Sprint Series,
  • The F-Series – GearUp Challenge – East Coast
  • Oregon 2-Stroke Championship
  • and more to follow as applications with other sanctioning bodies around the country are underway.***

Check your local regulations for all these TAG USA sanctioned series: