This is Donny Steele's TRX 250R with a 76 mm stroke crank shaft. It is using a 85mm LED ported Puma cylinder. The reed valve is a CR 500 V-Force reed valve. The air box is replaced with a LED sheet metal intake tract with K&N filter. The exhaust is the LED big bore pipe and silencer model TRX 465G. It is using a PVL ignition. The carburetor is a 41.5 mm Kehein PWK.