Your mini bike can take a lot of punishment, but if your fuel tank components get broken, it’s back to pedaling Our fuel tank valve will get your 6.5 Hp go-kart or mini bike back on the road Your mini bike can take a lot of punishment, but if your fuel tank components get broken, it’s back to pedaling. Our fuel tank valve will get your 6.5 Hp go-kart or mini bike back on the road. Our fuel tank valve works on a wide range go-karts and mini-bike using a 6.5 hp engine, the most popular of these being the Baja MB165 MB200 (Baja Heat, Mini Baja, Baja Warrior). Why replace an entire fuel tank when you can replace those individual components at fractions of the cost