Why Do Moto3 Bikes Have 2 Exhausts?
Why Do Moto3 Bikes Have 2 Exhausts? flyboy Well-Known Member. No clue, but according to Kropotkin, the single cylinder Moto3 bikes have dual exhaust because they run pipe from each exhaust valve. Are two exhausts better than one? Because the exhaust gases exit each manifold through two pipes rather than just one, they can exit