The highly potent V4 engine originated in Japan but ... duct length between 150 and 54mm, providing the best performance at different engine speeds. Another advanced system was the Yamaha Chip ...

Alex Rins has discussed Yamaha’s ongoing development of its highly anticipated V4 engine development for MotoGP, a project that remains under wraps since its announcement last year. This engine ...

“And if the best package is the new bike with the V4 engine, this will be the package. “And if the best bike is the 4 Inline, we will use the 4 Inline. “We want just to make a faster Yamah ...

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.

Read on for our expert guide to naughtiness from Noale! You know when you go to the British MotoGP round and the noise makes the hairs on your neck stand up? Get an Aprilia V4 and experience it every ...

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 ...

It has excellent road presence, good mileage (can reach 60 at times), and the best 155cc engine with VVA tech ... was really adventurous with v4 and i dropped the bike almost 20 times into ...

The idea of the factory streetfighter – a superbike stripped of its fairing and given wide bars – is well established today ...