2006 Yamaha Road Star, 102-cubic-inch 1600cc air-cooled, long-stroke OHV 48° pushrod V-twin pumps out huge amounts of torque barely off idle for brisk acceleration and fantastic overall cruising performance. Hydraulic valve lifters driven by twin camshafts deliver exceptional performance and less maintenance. Ceramic composite cylinder bore plating ensures greater durability and optimal heat dissipation. Single Mikuni 40mm CV carburetor with throttle position sensor features electronic fuel and accelerator pumps, carburetor heater and handy side-mounted air filter to ensure consistent fuel flow, great throttle response and optimum power throughout the rev range.