Harley-Davidson Harley Davidson FXDF-SE Dyna Fat Bob CVO (2010) vs Yamaha XT 660X (2013)
Comparison technical specifications
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| Make: | Harley-Davidson | Yamaha |
| Model: | Harley Davidson FXDF-SE Dyna Fat Bob CVO | XT 660X |
| Years: | 2010 | 2013 |
| Engine: | Four stroke, Twin Cam 110™ Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 1804 cc / 110.1 cub in. | 659 cc/ 40.2 cu-in |
| Bore x Stroke: | 101.6 x 111.3 mm | 100 x 84 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 9.15:1 | 10: 1 |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | Fuel injection, 44 mm throttle body |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | TCI |
| Starting: | Electric | Electric |
| Max Torque: | 155.5 Nm / 114.0 ft lbs @ 3500 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
| Clutch: | Multi-plate, wet | Wet, multiple-disc coil spring |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Belt | Chain |
| Frame: | Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded | Steel tubular diamond frame with dual tank rails |
| Front Suspension: | 49 mm with polished aluminum fork triple clamp and dual-rate springs, | 43 mm Telescopic forks, |
| Rear Suspension: | Coil over shock | Oscillating arm standard Monocross. |
| Front Brakes: | 2x 299.7mm disc 4 piston caliper | Single 320mm disc 4 piston caliper |
| Rear Brakes: | Single 292mm disc 4 piston caliper | Single 245mm disc 1 piston caliper |
| Front Tyre: | 130/90B -16 | 120/700-17 |
| Rear Tyre: | 180/70B -16 | 160/60-17 |
| Seat Height: | 665 mm / 26.2 in | 875mm / 34.4 in |
| Dry Weight: | 313 kg / 692 lbs | 173 kg / 318.4 lbs |
| Fuel Capacity: | 18.9 Litres / 5.0 US gal | 15 Litres / 3.9 gal |