Harley-Davidson Harley Davidson XL 1200T Superlow (2015) vs BMW R 51/2 (1950-51) vs Buell / EBR Buell 1125R (2008) vs Harley-Davidson Harley Davidson XL 883N Sporter Iron (2018-19)
Comparison technical specifications
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| Make: | Harley-Davidson | BMW | Buell / EBR | Harley-Davidson |
| Model: | Harley Davidson XL 1200T Superlow | R 51/2 | Buell 1125R | Harley Davidson XL 883N Sporter Iron |
| Years: | 2015 | 1950-51 | 2008 | 2018-19 |
| Engine: | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, 72° V-Twin | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
| Capacity: | 1202 cc / 73.4 cub in. | 494 cc / 30.1 cu in. | 1125 cc / 68.7 cu in | 883 cc / 53.9cu in/ |
| Bore x Stroke: | 88.9 x 96.8 mm | 68 x 68 mm | 103 x 67.5 mm | 76.2 x 96.8 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 10.0:1 | 6.4:1 | 12.3:1 | 9.0:1 |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | 2 x Bing Spezial 1/22/29 and 1/22/30 carburetors | Dual Ø61 mm downdraft throttle bodies, DDFI III Fuel Injection System | Electronic sequential port fuel injection |
| Starting: | Electric | Kick | Electric | Electric |
| Final Drive: | Belt | Shaft | Belt | Belt |
| Gear Ratio: | 1st 9.004 / 2nd 6.432 / 3rd 4.783 / 4th 3.965 / 5th 3.400:1 | 1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30:1 | 1st 2.462 / 2nd 1.750 / 3rd / 1.381 / 4th 1.174 / 5th 1.042 / 6th 1.00 | 1st 10.407 / 2nd 7.436 / 3rd 5.53 / 4th 4.583 / 5th 3.93 |
| Frame: | Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube section, stamped junctions; MIG welded | Closed double loop steel tubular frame | Aluminium frame with fuel in frame. | Mild steel, tubular frame, circular sections, cast junctions Swingarm Mild steel, rectangular tube sections, stamped junctions, MIG welded |
| Front Suspension: | 39 mm Forks | Telescopic fork | Ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload. 120mm wheel travel. | 39mm Fork |
| Rear Suspension: | Coil-over, dual-adjustable preload | Spring with coil compression springs and rubber deflection stops | 127 mm / 5.0" | Coil-over, dual-adjustable preload |
| Front Brakes: | Single 292 mm disc, 2 piston caliper | ∅200mm Drum, duplex full hub | ZTL type brake, 6-piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor | Single ∅300mm disc, 2 x ∅38mm piston calipers |
| Rear Brakes: | Single 292mm disc, 1 piston caliper | ∅200mm Drum, simplex full hub | Single Ø240 mm disc, 2 piston floating caliper | Single ∅260mm disc, 2 x ∅38mm piston calipers |
| Front Tyre: | 120/70 ZR-18 59W | 3.50 -19" Metzeler | 120/70 ZR17, Pirelli Diablo Corsa III | 100/90B19 57H |
| Rear Tyre: | 150/70 ZR-17 69W | 3.50 -19" Metzeler | 180/55 ZR17, Pirelli Diablo Corsa III | 150/80B16 77H |
| Fuel Capacity: | 17 Litres / US 4.5 gal | 14 liters / 3.60 US gal | 21.2 L / 5.6 US gal | 12.5 Litres / 3.3 US gal |