The 2012 Harley-Davidson Sportster XL1200 model is equipped with a 1200cc air-cooled Evolution V-twin engine, offering 79 ft-lb of torque at 4,000 RPM. The bike has a 5-speed transmission, a 4.5-gallon fuel tank, and a wheelbase of 59.9 inches. The XR1200X model, also from 2012, has a measured rear wheel horsepower of 79.26 hp and a top speed of 120.7 mph.
Engine & Drivetrain:
Engine: Air-cooled, Evolution V-twin.
Displacement: 1200cc.
Bore: 3.5 in.
Stroke: 3.812 in.
Compression Ratio: 9.7:1.
Fuel System: Electronic Sequential Port Fuel Injection (ESPFI).
Torque: 79 ft-lb at 4,000 RPM.
Transmission: 5-speed.
Primary Drive: Chain, 57/38 ratio.
Gear Ratios (overall):
1st: 9.315.
2nd: 6.653.
3rd: 4.948.
4th: 4.102.
5th: 3.517.