One Harley-Davidson engine earned a reputation for six-digit durability, and it wasn't the newest or most powerful ...

Harley says one dealer technician's injury may be linked to a defect that can spray oil when the dipstick is removed ...

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 ...