2015 Harley-Davidson Softail Heritage Classic, A new front brake system on the Softail® models this year delivers a 40 percent reduction in the amount of lever force required at peak braking. The handlebar master and front cylinders have been restyled. There´s a new 4-piston fixed caliper with 32 and 34 mm pistons, premium caliper piston coating to minimize initial displacement and a larger 300 mm rotor. It all adds up to more stopping power with less effort. Engine and transmission Displacement 1690.0 ccm (103.12 cubic inches) Engine type V2, four-stroke Engine details Air-cooled, Twin Cam 103B Power 73.8 HP (53.8 kW)) @ 5000 RPM Torque 130.0 Nm (13.3 kgf-m or 95.9 ft.lbs) @ 3000 RPM Compression 9.6:1 Bore x stroke 98.4 x 111.1 mm (3.9 x 4.4 inches) Fuel system Injection. Electronic Sequential Port Fuel Injection (ESPFI) Cooling system Air Gearbox 6-speed Transmission type Belt (final drive) Clutch Multi-plate with diaphragm spring in oil bath Fuel consumption 5.60 litres/100 km (17.9 km/l or 42.00 mpg) Greenhouse gases 129.9 CO2 g/km. (CO2 - Carbon dioxide emission) Exhaust system Chrome, staggered shorty exhaust with dual mufflers Chassis, suspension, brakes and wheels Rake (fork angle) 31.0° Trail 147 mm (5.8 inches) Front tire MT90-B16 Rear tire 150/80-B16 Front brakes Single disc. ABS. 4-piston Rear brakes Single disc. 2-piston Wheels Steellaced, optional whitewall tires Physical measures and capacities Dry weight 326.1 kg (719.0 pounds) Weight incl. oil, gas, etc 341.1 kg (752.0 pounds) Power/weight ratio 0.2262 HP/kg Seat height 690 mm (27.2 inches) If adjustable, lowest setting. Overall length 2405 mm (94.7 inches) Ground clearance 131 mm (5.2 inches) Wheelbase 1638 mm (64.5 inches) Fuel capacity 18.93 litres (5.00 US gallons) Oil capacity 3.30 litres (3.49 US quarts)