2017 Harley-Davidson Road Glide Ultra - DYNO TEST

The Milwaukee-Eight V-twin measures up on the Cycle World dyno

Big news recently rumbled out of Milwaukee, with the 2017 Harley-Davidson Milwaukee-Eight V-twin making its debut in the FL touring line of cruiser motorcycles. The Milwaukee-Eight is just the ninth Big Twin in the Motor Company's long and unbroken history of building motorcycles since 1903.


So we couldn't wait to dyno test on of the new 2017 eight-valve, single-cam V-twins that come in 107 c.i. standard versions and and 114 c.i. CVO versions. The 2017 Road Glide Ultra we strapped to the Cycle World Dynojet 250i dynamometer for a comparative rear-wheel-horsepower reading is powered by the Twin Cooled 107-inch variant which benefits from standard Milwaukee Eight features including four-valve, dual spark plug heads (with a higher compression ratio than the Twin Cam), refined ride-by-wire sequential port fuel injection, cooler operation, lower idle speed with reduced vibration, slipper/assist clutch. As a touring model, it's liquid cooled heads benefit from radiators tucked into the lower fairing pods.

We are impressed with the Road Glide’s improved handling, refined manners and ultra-smooth torque delivery. But how did it do on the dyno? This standard 107c.i. Milwaukee-Eight V-twin matches the peak torque output of the 2016 Screaming Eagle 110B-powered Softail Slim S we had previously tested on the same dyno. That’s quite a boost. Check out the video for full numbers and to hear the new engine pound it out on the dyno.

2017 Harley-Davidson Road Glide Ultra Dyno Chart
2017 Harley-Davidson Road Glide Ultra Dyno Chart.Cycle World

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