Harley-Davidson Harley Davidson FXDF Dyna Fat Bob (2008) vs Harley-Davidson Harley Davidson XLS 1000 Roadster 25th Anniversary XLS (1982)
Comparison technical specifications
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| Make: | Harley-Davidson | Harley-Davidson |
| Model: | Harley Davidson FXDF Dyna Fat Bob | Harley Davidson XLS 1000 Roadster 25th Anniversary XLS |
| Years: | 2008 | 1982 |
| Engine: | Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 1584 cc / 96 cu-in | 998 cc / 60.8 cu-in |
| Bore x Stroke: | 95.3 x 111.1 mm | 81 x 96.8 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 8.8;1 |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | 38mm Keihin carburetor |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | Transistorized |
| Starting: | Electric | Electric |
| Max Torque: | 124.7 Nm / 92 ft/ lbs. @ 3000 rpm | 55 ft-lb / 74 Nm @ 4000 rpm |
| Transmission: | 6 Speed | 4 Speed |
| Final Drive: | Belt | Chain |
| Frame: | Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded | Single down tube cradle |
| Front Suspension: | 49 mm with polished aluminum fork triple clamp and dual-rate springs | Telehydraulic forks |
| Rear Suspension: | Coil over shock | Dual shocks swinging arm fork |
| Front Brakes: | 2x 299mm disc 4 piston caliper | 2x 254mm discs |
| Rear Brakes: | Single 292mm disc 2 piston caliper | Single 292mm disc |
| Front Tyre: | D427F 130/90B16 67H | MJ 90-19 |
| Rear Tyre: | D427 180/70B16 77H | MT90-16 |
| Wet Weight: | 320.0 kg / 706 lbs | 249 kg / 542 lbs |
| Fuel Capacity: | 18 9 Litres / 5.0 US gal | 15 Litres / 3.9 US gal |