When To Switch To Synthetic Oil In Harley-Davidson Milwaukee-Eight Engine?
A reader asks: I have a 2017 Harley-Davidson Street Glide Special with the new 107 Milwaukee-Eight engine. When is it safe to switch to AMSOIL synthetic oil in this engine? How often should I change the oil after the break-in period? Our answer: Harley-Davidson suggests changing the oil in Milwaukee-Eight engine after the first 1000…



