Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Umbau von Gt125r motor auf GT250 Motor Reply To: Umbau von Gt125r motor auf GT250 Motor
Apr 13, 2026 at 4:01 PM
#22313
Hi everyone,
What all do I need to convert from a 125cc to a 250cc?
I saw that the 250cc has an additional electric fuel pump. Do I need to swap that in as well?
Or is it enough to just use the engine and CDI unit from the 250cc?
BR,
Hawkonair
GT125R BMC, Full Turbokit GP, Carb Front 90 Rear 92.5