Ahead of its big showcase at EICMA next month, the newly christened S4 Honcho isn’t trying to be an electrified Harley — it’s ...

Abstract: To reduce the maintenance cost of a civil aero-engine, rational life cycle maintenance decisions need to be developed, including the determination of maintenance intervals and the scope of ...

Throughout the history of Harley-Davidson, there have been a great many engines offered across various models. And for decades, these engines have presented buyers with a rather unique issue. In terms ...

Harley Davidson has had its share of troublesome engines, such as the problematic twin cam engine. In the case of the Milwaukee-Eight 114, recognized for its power, owners across riding forums ...