Engine & Performance for 2018 Harley-Davidson FLTRXS Road Glide Special

Engine & Performance for the 2018 Harley-Davidson FLTRXS Road Glide Special

The 2018 Harley-Davidson FLTRXS Road Glide Special features Engine: Milwaukee-Eight 107 V-Twin, 4 valves per cylinder, Displacement: 1745cc (107 cu in), Cooling: Air-cooled with precision oil-cooled cylinder heads. This trim includes Blacked-out Finishes — Engine covers, exhaust, front forks, handlebars, and trim are finished in black instead of chrome.. Owner note: Requires approximately 4.9 quarts of 20W-50 oil; check levels frequently due to potential sumping issues on early M8 engines. Known concern: Oil Sumping — Addressed by TSB M1450; requires an updated oil pump.. Learn more about this ride →