Motus Motorcycles is proving that its 1.65-liter V4 engine can handle boost with the ... sport bike for the Handbuilt Motorcycle Show in Austin, TX. Dubbed the Lone Star 2, the company took ...
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.