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The primary difference between the Milwaukee 107 and the 114 is the size of the engine. All these features and many more set the Milwaukee-Eight apart from previous models. The Milwaukee-Eight engines also feature improved cooling, improved engine air cleaner, reduced vibration, and better fuel economy. Harley also claims that the Milwaukee-Eight 107 and 114 engines accelerate faster than their Twin Cam 103 and 110 engines. The engines include four lightweight valves per cylinder, a single camshaft, a better cover design, and enhanced driveline components.Īll of which contribute to less mechanical noise. Both engines have many similarities and general improvements from previous models.įor one, the engines have a 10% increase in torque compared to prior Big Twin models. The Milwaukee-Eight featured two engines: the 107ci engine and the 114ci engine. In 2017, Harley-Davidson introduced the ninth generation of their Big Twin engines called the Milwaukee-Eight (M8). Specifications & Performance of the Milwaukee 114:.
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Specifications & Performance of the Milwaukee 107:.
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