The history of the motorcycle engine is long and storied, and ever-evolving. From extremely reliable motorcycle engines to the powerful Harley-Davidson crate engines, there are major bike engine types ...

The only forced-induction production motorcycle engine today comes from Kawasaki. But judging from new patents, this segment of hyper-performance mills will soon expand. Honda seems to be cooking up ...

Last week, Yamaha revealed a hybrid motorcycle engine system it's working on, plonked in a maxi scooter prototype. It could spell an interesting new direction for the Japanese two-wheeler giant to ...

Like any other automaker, Yamaha's motorcycle lineup has evolved over the years. Some models, like the powerful V-MAX and legendary YZF-R6 sport bike, didn't survive the evolutionary process.