| General |
| Year | 2025 | 2020 - 21 |
| Make Model | BMW R 12 S | Harley Davidson Sportster Iron 1200 |
| Dimensions |
| Seat Height | 795 mm / 31.3 in | 735 mm / 28.9 in |
| Wheelbase | 1511 mm / 59.5 in | 1515 mm / 59.6 in |
| Ground Clearance | - | 140 mm / 5.5 in |
| Length | 2131 mm / 83.9 in | 2200 mm / 86.6 in |
| Width | 871 mm / 34.3 in | - |
| Weights & Capacities |
| Dry Weight | - | 248 kg / 547 lb. |
| Fuel Capacity | 15.9 Litres / 4.2 US gal | 12 Litres / 3.3 US gal |
| Oil Capacity | - | 2.6 Litres / 2.7 US qrts |
| Wet Weight | 220 kg / 485 lbs | 256 kg / 564 lbs |
| Performance |
| Max Power | 81 kW / 109 hp @ 7000 rpm | - |
| Max Torque | 115 Nm / 81 lb-ft @ 6500 rpm | 99 Nm / 73 lb-ft @ 3500 rpm |
| Engine |
| Displacement | 1170 cc / 71.4 cub in | 1202 cc / 73.4 cub in. |
| Engine Detail | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft. | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Bore x Stroke | 101 x 73 mm | 88.9 x 96.8 mm |
| Compression Ratio | 12:1 | 10.0:1 |
| Cooling System | Air/oil cooled | Air cooled |
| Emissions | Controlled 3-way catalytic converter, exhaust emission standards EU-59 | - |
| Exhaust | - | Black, staggered exhaust and headers with black slash-cut mufflers |
| Fuel Induction | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire | Electronic Sequential Port Fuel Injection (ESPFI) |
| Fuel Type | Unleaded super (premium), octane number 95-98 (RON) (rated output at 98 RON) | - |
| Ignition | - | Digital CDI |
| Lubrication | Wet sump | - |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Single dry plate clutch, hydraulically operated | - |
| Final Drive | Shaft | Belt |
| Gear Ratios | 1st = 2.375, 2nd = 1.696, 3rd = 1.296, 4th = 1.065, 5th = 0.939, 6th = 0.848 | 1ST 9.315 2ND 6.653 3RD 4.948 4TH 4.102 5TH 3.517 |
| Primary Drive | - | Chain, 38/57 ratio |
| Primary Drive Ratios | 1.737 | - |
| Transmission / Drive | 6-speed, claw-shifted transmission with separate transmission housing | 5 Speed |
| Chassis |
| Frame Type | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding | Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube section, stamped junctions; MIG welded |
| Suspension - Front | Upside-down 45 mm forks, compression, rebound and spring preload adjustable; | 39 mm Forks |
| Suspension - Rear | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping | Coil-over, dual-adjustable preload |
| Lean Angle | - | 28° |
| Rake | 27.7 ° | 30° |
| Trail | 112 mm / 4.4 in | 117 mm / 4.6 in |
| Wheel Travel - Front | 120 mm / 4.7 in | - |
| Wheel Travel - Rear | 120 mm / 4.7 in | - |
| Wheels & Brakes |
| Brakes - Front | Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper | Single 292 mm disc, 2 piston caliper |
| Brakes - Rear | Single 265 mm disc, 2 piston floating caliper | Single 292mm disc, 1 piston caliper |
| ABS | BMW Motorrad ABS Pro, partial integral | - |
| Rims - Front | 3.50 x 17 | - |
| Rims - Rear | 5.50 x 17 | - |
| Tyres - Front | 120/70 - ZR17 | 100/90B19 57H |
| Tyres - Rear | 180/55 - ZR17 | 150/80B16 77H |
| Wheels | Aluminium cast wheels | - |
| Wheels - Front | - | Black, 9-spoke |
| Wheels - Rear | - | Black, 9-spoke |