Yamaha has conceded that introducing a new V4 engine on its bike before the end of the 2025 MotoGP season is “unrealistic”.

You won't come across many cars with a V4 engine. It can have problems with its balance, leading to excessive rattling and vibration, plus it takes up more space than a four-cylinder engine is worth.

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 ...