Moto Guzzi MGX-21 Flying Fortress (2016-17) vs Honda CBX 125F (1986-87) vs Harley-Davidson Harley Davidson FX 1200 Super Glide (1971-72)
Comparison technical specifications
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| Make: | Moto Guzzi | Honda | Harley-Davidson |
| Model: | MGX-21 Flying Fortress | CBX 125F | Harley Davidson FX 1200 Super Glide |
| Years: | 2016-17 | 1986-87 | 1971-72 |
| Engine: | Four stroke, 90° V-twin, SOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 1380 cc / 84.2 cu-in | 124 | 1207 cc / 73.6 cu-in |
| Bore x Stroke: | 104 x 81.2 mm | 58 x 47 mm | 87.3 x 100.8 mm |
| Cooling System: | Air/ oil cooled | Air cooled | Air cooled |
| Compression Ratio: | 10.5:1 | 11.0:1 | 8.0:1 |
| Starting: | Electric | Electric | Electric |
| Max Power: | 96 hp / 71 kW @ 6500 rpm | 17 hp @ 11500 rpm | 65 hp @ 5500 rpm |
| Final Drive: | Shaft | Chain | Chain |
| Front Suspension: | Standard swingarm, Ø 46 mm, with radial calliper mounting bracket and telescopes on the stanchions, | Telescopic forks | Telescopic forks |
| Rear Suspension: | Swingarm with double shock absorber with adjustable spring preload. | Swinging arm | Swinging fork. |
| Front Brakes: | 2x 320 mm stainless steel floating discs, Brembo radial callipers with 4 horizontally opposed pistons | Single disc | Drum |
| Rear Brakes: | Single 282 mm stainless steel fixed disc, Brembo floating calliper with 2 parallel pistons | Drum | Drum |
| Front Tyre: | 130/70 R18 | 80/100- 16 | 3.25-19 |
| Rear Tyre: | 200/60 R16 | 90/90- 18 | 5.10-16 |
| Fuel Capacity: | 20.5 Litres / 5.4 US gal | 12 Litres | 12.5 Litres / 3.3 US gal |