For close to 20 years, the Twin Cam V-twin was the heartbeat of large Harley-Davidson motorcycles. That was the case until 2017, when tightening emissions norms and a shrinking customer base that ...
Harley-Davison motorcycles are known for their use of big V-twin engines. The company's proprietary engine design has come a long way since the introduction of the first 49.5 cubic-inch version in ...
TJ started writing for TopSpeed in 2015, but has been writing on motorcycle and automotive topics since 2009 for outlets such as eHow, eHowNow, and MotorTrend subsidiaries. He is certified to work on ...
Add Yahoo as a preferred source to see more of our stories on Google. For close to 20 years, the Twin Cam V-twin was the heartbeat of large Harley-Davidson motorcycles. That was the case until 2017, ...