Moto Guzzi MGX-21 Flying Fortress (2016-17) vs Harley-Davidson Harley Davidson FLSTF/I Fat Boy (2003-04)
Comparison technical specifications
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| Make: | Moto Guzzi | Harley-Davidson |
| Model: | MGX-21 Flying Fortress | Harley Davidson FLSTF/I Fat Boy |
| Years: | 2016-17 | 2003-04 |
| Engine: | Four stroke, 90° V-twin, SOHC, 4 valves per cylinder | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder |
| Capacity: | 1380 cc / 84.2 cu-in | 1449 cc / 88.4 cu-in |
| Bore x Stroke: | 104 x 81.2 mm | 95.3 x 101.6 mm |
| Cooling System: | Air/ oil cooled | Air cooled |
| Compression Ratio: | 10.5:1 | 8.9:1 |
| Lubrication: | Wet sump | Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump with spin on 10ì pressurized oil filter |
| Ignition: | Phased electronic Multipoint sequential injection | Single-fire, non-wasted, map-controlled spark ignition |
| Starting: | Electric | Electric |
| Max Power: | 96 hp / 71 kW @ 6500 rpm | 67 hp / 48.8 kW @ 5200 rpm |
| Max Torque: | 89 ft/lb / 120 Nm @ 2750 rpm | 116.6 Nm / 86 lb-ft @ 3500rpm |
| Clutch: | Single-disc with integrated anti-vibration buffer | Wet 9-plate |
| Transmission: | 6 speeds with final overdrive | 5 Speed |
| Final Drive: | Shaft | Belt |
| Gear Ratio: | 1st 17/38 = 1 : 2.235 2nd 20/34 = 1 : 1.700 3rd 23/31 = 1 : 1.348 4th 26/29 = 1 : 1.115 5th 31/30 = 1 : 0.968 6th 30/24 = 1 : 0.8 | 1st 10.110 2nd 6.958 3rd 4.953 4th 3.862 5th 3.150 |
| Frame: | Double cradle tubular frame in ALS steel with detachable rear subframe | Mild steel tubular frame; rectangular section backbone; stamped, cast and forged junctions; forged fender supports; MIG welded Swingarm Mild steel, rectangular tube sections, stamped junctions, MIG welded |
| Front Suspension: | Standard swingarm, Ø 46 mm, with radial calliper mounting bracket and telescopes on the stanchions, | 41.3 mm Telescopic forks with ”beer can” covers |
| Front Wheel Travel: | 120 mm / 4.7 in | 130 mm / 5.1 in |
| Rear Suspension: | Swingarm with double shock absorber with adjustable spring preload. | Hidden, horizontal-mounted, coil-over shock |
| Rear Wheel Travel: | 110 mm / 4.3 in | 109 mm / 4.3 in |
| Front Brakes: | 2x 320 mm stainless steel floating discs, Brembo radial callipers with 4 horizontally opposed pistons | Single 292mm disc 4 piston caliper |
| Rear Brakes: | Single 282 mm stainless steel fixed disc, Brembo floating calliper with 2 parallel pistons | Single 292mm disc 4 piston caliper |
| Front Tyre: | 130/70 R18 | D402F MT90B16 72H |
| Rear Tyre: | 200/60 R16 | D401 150/80B16 71H |
| Trail: | 109 mm / 4.2 in | 147 mm / 5.8 in |
| Dimensions: | Length 2445 mm / 90.2 in Width 940 mm / 37.0 in Height 1115 mm / 43.8 in | Length 2395.2 mm / 94.3 in |
| Wheelbase: | 1695 mm / 66.7 in | 1638 mm / 64.5 in |
| Seat Height: | 740 mm / 29.1 in | Laden2 645.2 mm / 25.4 in Unladen 698.5mm / 27.5 in |
| Ground Clearance: | 165 mm / 6.4 in | 130 mm /. 5.1 in |
| Fuel Capacity: | 20.5 Litres / 5.4 US gal | 18.9 Litres / 5.0 US gal |