Harley-Davidson Harley Davidson XLS 1000 Low Rider (1978) vs Aprilia RS4 50 Replica (2012-)
Comparison technical specifications
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| Make: | Harley-Davidson | Aprilia |
| Model: | Harley Davidson XLS 1000 Low Rider | RS4 50 Replica |
| Years: | 1978 | 2012- |
| Engine: | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder | Two stroke, single cylinder, DOHC, 4-valve |
| Capacity: | 998 cc / 60.8 cu-in | 49.9 cc / 3.05 cub in. |
| Bore x Stroke: | 81 x 96.8 mm | 39.9 x 39.9 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.8;1 | 11.5:1 |
| Ignition: | Transistorized | CDI |
| Starting: | Electric | Electric |
| Transmission: | 4 Speed | 6-Speed |
| Final Drive: | Chain | Chain |
| Frame: | Single down tube cradle | Aluminium |
| Front Suspension: | Telehydraulic forks | Upside down fork, Ø41 mm |
| Rear Suspension: | Dual shocks swinging arm fork | Asymmetric swingarm, monoshock |
| Front Brakes: | 2x disc | Stainless steel disc, Ø 300 mm, 4-piston radial caliper |
| Rear Brakes: | Single disc | Stainless steel disc, Ø 218 mm, single piston caliper |
| Front Tyre: | MJ 90-19 | 110/80-17 |
| Rear Tyre: | MT90-16 | 130/70-17 |
| Fuel Capacity: | 13.5 Litres / 3.5 US gal | 14.5 Litres / 3.8 US gal |