Harley-Davidson first offered an optional six-speed transmission ... which not only housed the added gear but also reinforced the transmission case without forcing riders to change exhaust layouts.

Harley-Davidson's Low Rider S and Indian's Sport Chief are often directly compared due to their strong similarities. There ...

For millions of people living with asthma, even the air inside their homes can make breathing difficult. But researchers at ...

Harley-Davidson can’t void your warranty just for using aftermarket parts, but coverage won’t apply if a mod causes the ...

Contributed by Mario J. Molina, December 19, 2019 (sent for review September 23, 2019; reviewed by Robert L. McGraw and Fangqun Yu) High concentrations of ultrafine particles (UFPs), approaching 1 ...

It looks seriously menacing from front to back, but you will find it very hard to take your eyes off it once captivated by ...

This model has replaced the Ultra Limited in the Harley-Davidson lineup, but enthusiasts of the brand know that when H-D ...

It used to be a regular Street Bob in its previous life, but then Winston Yeh stepped in to turn it into something far more ...