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Harley-Davidson Unleashes the Milwaukee-Eight

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Harley-Davidson Unleashes the Milwaukee-Eight

Last week Harley introduced its first new engine in 15 Years, a new two cylinder power plant called the Milwaukee-Eight (4 valves on each of its two cylinders) and is the ninth Big Twin engine in the HDs 113-year history.  Some high level metrics comparing new engine performance to the 2016 touring models:

  • 50 percent more intake and exhaust flow
  • 10 percent more torque
  • 50 percent more charging output
  • A revamped cooling system to reduce overheating

On the road this means, a 2-3 bike length advantage on a standing start take off to 100 km per hour, and a 2 bike length advantage on a rolling start from 100 – 130 km per hour.




Three versions of the Milwaukee-Eight will be on the road for 2017:

  • 1,750-cc  V-twin  Air/oil-cooled producing  111.4 lb-ft of peak torque at 3,250 rpm.
  • 1,750-cc   V-twin with liquid-cooled cylinder heads, tuned to produce 113.6 lb-ft of peak torque at 3,250 rpm.
  • 1,870-cc liquid-cooled engine tuned to produce 124 lb-ft of peak torque at 3,250 rpm.



distinctions the Milwaukee-Eight has from the previous engine are:

  • One camshaft
  • Four valves per cylinder
  • Rubber mounting and an internal counter balancer to reduce vibration
  • Better heat management to run cooler

The 107-cubic-inch (1,750cc) Milwaukee-Eight replaces the older twin cam engine and will be included on the 2017 range of touring bikes, including the following models:

  • Street Glide
  • Road Glide
  • Road King
  • Electra Glide


The Custom Vehicle Operations models, the CVO Limited and CVO Street Glide will get the larger 1,870cc version of the Milwaukee-Eight. 

Hopefully the new engine will eventually be rolled out across the full Harley Davidson range.

Looking forward to Harley Davidson 2017 range coming to Australia





Disclaimer: The content of this article and other articles on this website are for informational purposes only and do not constitute professional advice. Please seek advice from a professional in the relevant field, in relation to any specific matter. Refer to the website Terms and Conditions. 



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