Harley-Davidson recently introduced its first all-new motorcycle engine. The single-cam Milwaukee-Eight 107 and 114 engines will replace the motorcycle company’s twin-cam engine that debuted in 1999.
It delivers more power and an improved motorcycling experience for riders and passengers while retaining the iconic look, sound and feel of its predecessors. An all-new design, the Milwaukee-Eight engine offers quicker throttle response, more passing power, purer sound, a smoother ride and more of the feeling riders want from a Harley-Davidson Touring motorcycle engine.
“The guiding principle behind the Milwaukee-Eight engine was our voice of customer research from every region of the world,” said Scott Miller, Harley-Davidson Vice-President of Styling and Product Development Strategy.
“Riders asked us to create a new engine designed to enhance their motorcycle touring experience in every way. Those same voices also demanded that we stay true to our legacy and respect the defining elements of a Harley-Davidson V-Twin. It was a big challenge, but one we’ve met. With the Milwaukee-Eight, a new era of Harley-Davidson power, performance and innovation has been forged,” he added.
Following given are its key features:
Increased power
Each Milwaukee-Eight engine produces 10 per cent more torque than the engine it replaces in Touring models. It further features a higher compression ratio and four-valve cylinder heads with 50 per cent more intake and exhaust flow capacity.
Quick Acceleration
The Milwaukee-Eight engine weighs the same as the engines it replaces, so all of its extra power contributes directly to improved acceleration performance.
Heat Management
The Milwaukee-Eight engine offers improved rider and passenger thermal comfort due to reduced heat absorption, increased heat rejection and a redesigned exhaust system.
Improved Fit
A new, slimmer primary drive cover and the low-profile shape of the air cleaner cover provide improved rider legroom around the engine and an easier reach to the ground for many riders. All Milwaukee-Eight powered models are fitted with an Assist and Slip Clutch with improved hydraulic actuation that reduces clutch lever effort by 7 percent.
Reduced Vibration
The rubber-mounted Milwaukee-Eight engine features a single internal counter balance that cancels 75 percent of primary vibration at idle for a more-refined feel and more-comfortable experience for rider and passengers while retaining the classic character of Harley® V-Twin engines.
Richer Exhaust Note
The engine intake and air cleaner of the motorcycle are designed to reduce intake sound while ensuring maximum air flow. As a result, the new Milwaukee-Eight engine is mechanically quieter, enabling a richer exhaust tone, and meets all global noise and emissions standards.
Improved Charging
The Milwaukee-Eight engine charging system delivers 50 per cent more output to the battery at idle to better support the power demands of Touring riders, including accessory lighting, performance audio, and heated gear and other accessories.
New Engine Styling
The Milwaukee-Eight engine features sleek, modern styling that respects the heritage of previous Harley-Davidson Big Twin engines.
To experience the transformation of the 2017 Harley-Davidson® Touring models for yourself, visit H-D.com/Touring to schedule a test ride.
