Ossa factory was smart in using the existing trials bike for the majority of the Explorer. The frame and engine are essentially the same with the suspension getting a downgrade to keep the cost in check. The obvious body changes fit a seat and a piggyback gas tank to bump the total fuel capacity to 2.2 gallons. This bike is Light weight, agile and easy to ride on difficult trails. The fuel injection is spot on and makes the two-stroke work longer and harder. Trials bike ability with a gas tank and a seat.