Engine & Performance for 2018 Harley-Davidson FLHXS Street Glide Special

Engine & Performance for the 2018 Harley-Davidson FLHXS Street Glide Special

The 2018 Harley-Davidson FLHXS Street Glide Special features Engine: Milwaukee-Eight 107 V-Twin, 4 valves per cylinder, Displacement: 1,746 cc (107 cu in); 100 mm x 111.1 mm bore x stroke, Cooling: Air-cooled with integrated oil cooler, Fuel System: Electronic Sequential Port Fuel Injection (ESPFI). This trim includes Blacked-out Finishes — Engine covers, exhaust, front forks, handlebars, tank console, and mirrors are finished in gloss or satin black instead of chrome.. Owner note: The heavy weight and high torque of the M8 engine lead to rapid rear tire wear, typically every 8,000–12,000 miles. Known concern: Oil Sumping — Addressed by TSB M1450; most common during sustained high-speed highway riding.. Learn more about this ride →