The heart and soul of any motorcycle (battery-powered motorcycles notwithstanding) is its engine. From its mighty roar to its fierce torque, a reliable engine can turn an average motorcycle into a ...

We may receive a commission on purchases made from links. Rebuilding a classic Honda motorcycle engine can be a fun and educational experience. Not only does it allow you to get your hands dirty with ...

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 ...

Weight plays a huge role in motorcycles. That’s partly why big electric powertrains haven’t succeeded in two-wheelers (they require heavy batteries). Even with internal combustion engines, we see new ...