Yamaha MotoGP chief Paolo Pavesio has revealed that Yamaha will launch the V4 engine on its M1 MotoGP bike, only if it proves to be better than the inline-four unit being used currently.
Motus Motorcycles is proving that its 1.65-liter V4 engine can handle boost with the custom Lone Star 2. Based on the company's MSTR bike, this version gets a supercharged engine and a body ...
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