Noma pulley swamped lawn tractor

Fully costum pulley swapped 12.5hp lawn mower with hand break gas, pedal and light bar. Did go 50kmh but belt snapped new one is the slightest bit loose so doesn’t anymore but still pretty quick probably around 35-40kmh 5 speed dif from John deer bolted on mint have spear dif if wanted for a little extra. Willing to trade for boats pit bikes and anything with a motor.