First, new channels for coolant to flow around the exhaust valve area were created, and the route for the coolant was completely revamped. The bump in compression was aided by, among other factors, improved knock detection and by the Milwaukee-Eight’s new cylinder head cooling. To handle these new specifications, the valvetrain uses high-capacity lifters and beefier valve springs to ensure durability under the increased load. The profile provides a higher lift and longer duration to the valves for, yes, increased power and torque. The camshaft that is having its timing infinitely varied is of a higher performance variety. (Not that you or I will ever achieve that “standard drive cycle.” We’ll be too busy exploiting the broader powerband.)Ģ017 Harley-Davidson Milwaukee-Eight Engines Tech Brief According to the Motor Company, this efficiency can add up to as much as a 3-5% improvement in range. The ECU uses this range not only to improve torque management, but also to improve fuel economy when compared to the same engine with static valve timing. The VVT advances and retards the cam timing infinitely over a range of 20° of camshaft rotation. The Variable Valve Timing (VVT) performs an important service for the M8 by broadening the powerband. displacement and the increase in power and torque it provides, the big news lies in the three letters.

While some people may be attracted to the 121 cu. When I first saw the Milwaukee-Eight way back in late 2016, I knew that Harley had big plans in store for the engine, but I never expected the changes that have been announced for 2023.

If the fact that the 2023 Harley-Davidson Road Glide CVO and Street Glide CVO models both feature this new mill weren’t enough, there are a plethora of other changes to the bikes. of the previous year, other huge changes were mixed in, giving an advanced look at what we predict the bulk of the Milwaukee-Eights will be like in the not-to-distant future. Well, this year, besides bumping the displacement up to 121 cu. Of course, that means that the next CVO needs an even bigger engine.

For the powertrain, Harley historically graces the CVO with the largest production units available, which will typically start to become standard a model year or two on. Typically, the CVO line comes with exclusive paint and accessories along with other choice upgrades like a premium sound system. Harley-Davidson’s CVO line has always been for the company’s biggest fans, the riders who want the best that is available for any given model year and are willing to pay a premium to get it.

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