| General |
| Year | 2017 | 2025 |
| Make Model | Moto Guzzi Audace | Harley Davidson Softail Fat Boy 117 |
| Dimensions |
| Seat Height | 740 mm / 29.1 in (Optimal 720 mm / 28.3 in) | Unladen 675 mm / 26.6 in Laden 658 mm / 25.9 in |
| Wheelbase | 1685 mm / 66.3 in | 1650 mm / 65 in |
| Ground Clearance | 165 mm / 6.4 in | 125 mm / 4.9 in |
| Height | 1180 mm / 46.5 in | 1120 mm / 44.1 in |
| Length | 2445 mm / 90.2 in | 2365 mm / 93.1 in |
| Width | 940 mm / 37.0 in | 965 mm / 40.0 in |
| Weights & Capacities |
| Dry Weight (kg) | - | 303 |
| Wet Weight (kg) | 299 | 315 |
| Dry Weight | - | 303 kg / 668 lbs |
| Fuel Capacity | 20.5 Litres / 4.7 US gal | 18.9 Litres / US 5.0 gal |
| Wet Weight | 299 kg / 659 lbs | 315 kg / 694 lbs |
| Performance |
| Max Power | 71 kW / 96 hp @ 6500 rpm | 77 kW / 104Hp @ 4800 rpm |
| Max Torque | 121 Nm / 12.3 kgf-m / 89.2 ft/lb @ 3000 rpm | 171 Nm / 126 lb-ft @ 3000 rpm |
| Engine |
| Displacement | 1380 cc / 84.2 cu-in | 1923 cc / 117 cu in |
| Engine Detail | Four stroke, 90° V-twin, SOHC, 4 valves per cylinder | Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Fuel System | Phased electronic multipoint sequential injection, Magneti Marelli IAW7SM; Øride by wireØ Ø 52 mm throttle body, IWP 243 Magneti Marelli injectors, double oxygen sensor, integrated management of 3 engine mappings, traction control, cruise control | - |
| Bore x Stroke | 104 x 81.2 mm | 103.5 x 114.3 in |
| Compression Ratio | 10.5:1 | 10.3:1 |
| Cooling System | Air and oil cooled | Air cooled |
| Exhaust | Stainless steel, 2-in-2 type, three-way catalytic converter with double oxygen sensor, Euro 4 | 2-into-2 staggered, catalyst in muffler |
| Fuel Induction | - | Electronic Sequential Port Fuel Injection (ESPFI) |
| Fuel Reserve | 5 Litres / 1.3 US gal | - |
| Ignition | Electronic | Single-fire, non-wasted, map-controlled spark ignition |
| Lubrication | Wet sump | Pressurized, dry-sump with oil cooler |
| Spark Plug | NGK LMAR8F, 2 per cylinder | - |
| Starter | Electric | Electric |
| Timing System Diagram | Intake valve opens 19° BTDC (1-mm checking clearance) intake valve closes 55° ABDC exhaust valve opens 49° BBDC exhaust valve closes 12° ATDC | - |
| EV Specifics |
| Battery Capacity | 12V - 18 Ah | - |
| Drivetrain |
| Clutch | Single-disc with integrated anti-vibration buffer | Mechanical, 10 plate wet, assist & conventional |
| Final Drive | Shaft | Belt, 32/66 ratio |
| Final Drive Ratio | Double cardan joint and fixed bevel gear seat, drive ratio 10:36 = 1:3.6 | - |
| Gear Ratios | 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 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Primary Drive | 26:35 = 1:1.346 | Chain, 34/46 ratio |
| Transmission / Drive | 6 speed with final overdrive | 6 Speed |
| Chassis |
| Frame Type | Steel tubing, closed double cradle with elastic kinematic engine mounting system to isolate vibrations. | Mild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports |
| Suspension - Front | Standard fork, ø45 mm, with radial caliper mounting bracket | Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers |
| Suspension - Rear | Swingarm with double shock absorber with adjustable extension and spring preload with remote tank | Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment |
| Lean Angle | - | 25.6° |
| Rake | 32° | 30° |
| Steering Angle | 38° | - |
| Swingarm | - | Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer |
| Trail | 155 mm / 6.1 in | 104 mm / 4.1 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 130 mm / 5.1 in |
| Wheel Travel - Rear | 120 mm / 4.7 in | 86 mm / 3.4 in |
| Electrical Systems |
| Alternator | 12 V - 550 W | - |
| Wheels & Brakes |
| Brakes - Front | 2 x Ø320 mm stainless steel floating discs, Brembo radial calipers with 4 horizontally opposed pistons | 2 x 300mm discs, 4 piston fixed caliper |
| Brakes - Rear | Single Ø282 mm stainless steel fixed disc, Brembo floating caliper with 2 parallel pistons | Single 292mm disc, 2 piston floating caliper |
| ABS | - | Standard |
| Tyres - Front | 130/70 R18 | 160/60R18,70V,BW |
| Tyres - Rear | 200/60 R16 | 240/40R18,79V,BW |
| Wheels | - | Machined, Lakester cast aluminum |
| Wheels - Front | Aluminium alloy 3.50" x 18" | 18 x 4,5 in |
| Wheels - Rear | Aluminium alloy 6.00" x 16" | 18 x 8.0 in |