9. Inline Six

030316-top-10-engines-09-kawasaki_six

We’re super appreciative BMW brought back the inline six-cylinder in its K1600 models. The engine configuration had a popularity contest in the late ’70s and early ’80s with Benelli, Honda, and Kawasaki (pictured) all manufacturing some version. Let us not overlook, however, the most badass Six to ever exist, the 250cc RC166.

Top Ten Best Sounding Motorcycle Engines