And the Twin Cooled version?
Harley bosses explained the reason for the two different cooling systems on the Milwaukee-eight in two ways: first, the twin radiator system had already been proven on the 2014 Ultra so developing it for the new, larger four-valver was a no-brainer. Second, cooler running temperatures were on the full- dresser customer’s wish-list for more comfortable riding.
And just that was proven when I tried both a 2017 Road Glide Ultra and Electraglide Limited during our test. Performancewise I couldn’t tell any difference between the oil-cooler Road King and the full- dressers. All the performance gains, smoother gearbox and delivery are present and correct here as well. But what’s different is the heat the latter now gives off. Previous ‘dressers always had a tendency to cook their riders. I experienced none of that on the newcomer and it was noticeably cooler than the oil- cooled ‘King, too.
Cool running on the Electraglide Limited thanks to subtle liquid cooling