Yamaha has made some exceptional motorcycle and car engines over the years, powering its vehicles and those of other brands.

It isn't a surprise, though, since many major motorcycle makers have completely stopped producing inline-four-cylinder sports ... The updates for the 2025 Yamaha R1 are not ground-breaking.

Motorcycles are offered with single, twin, triple, or four-cylinder engines with some variations ... The likes of Kawasaki, ...

There are some big differences between Yamaha's R-Series motorcycles ... It has dual overhead camshafts (DOHC), inline twin-cylinders, and four valves per cylinder. That information is all ...