It doesn’t happen often, but when it does, it’s big news. We’ve all learned the great names—Knucklehead, Pan, Shovel, Evolution, and Twin Cam—and now there’s a new one: “Milwaukee-Eight,” which tells us this new engine, like Harley’s legendary board-track racer of long ago, has eight valves.
Displacement is 107ci (1,750cc) or 114ci (1,870cc). The 2017 touring models get these engines first, but this is the Big Twin that will, no doubt, power Harley-Davidson’s future.
The standard 107 uses precision oil-cooled cylinder heads and will be found in Street Glides, Road Glides, the Electra Glide Ultra Classic, and Freewheeler trikes.
A Twin-Cooled version with liquid-cooled cylinder heads and radiators will power Ultra Limited models, the Road Glide Ultra, and Tri Glide models.
CVO Limited and Street Glide models are equipped with…