Prior to this year, the CB650R was known as the CB650F. What’s behind the revised name? Some stuff you can see, such as a Showa Separate Function Fork (SFF) and lighter Y-spoke wheels. Even if you can’t eyeball the new airbox and bigger filter, asymmetric-skirt pistons, revised cam timing, or larger tailpipe opening, you can hear and maybe even feel the changes. Honda claims a 5 percent power increase and 1,000 more revs, bringing redline to 12,800 rpm. Thanks to the upswept muffler, that irresistible siren song will be music to your ears.