| General |
| Year | 2006 - 07 | 2025 |
| Make Model | Kawasaki VN 900 Vulcan Classic | Harley Davidson Softail Fat Boy 117 |
| Dimensions |
| Seat Height | 680 mm / 26.8 in | Unladen 675 mm / 26.6 in Laden 658 mm / 25.9 in |
| Wheelbase | 1645 mm / 64.8 in | 1650 mm / 65 in |
| Ground Clearance | - | 125 mm / 4.9 in |
| Height | 1065 mm / 41.9 in | 1120 mm / 44.1 in |
| Length | 2465 mm / 97.1 in | 2365 mm / 93.1 in |
| Width | 1005 mm / 39.6 in | 965 mm / 40.0 in |
| Weights & Capacities |
| Wet Weight (kg) | 281 | 315 |
| Dry Weight (kg) | - | 303 |
| Dry Weight | - | 303 kg / 668 lbs |
| Fuel Capacity | 20 Litres / 5.3 US gal. | 18.9 Litres / US 5.0 gal |
| Wet Weight | 281 kg / 620 lbs | 315 kg / 694 lbs |
| Performance |
| Max Power | 37 kW / 50 hp @ 5700 rpm | 77 kW / 104Hp @ 4800 rpm |
| Max Torque | 78 Nm / 8.0 kg-fm @ 3700 rpm | 171 Nm / 126 lb-ft @ 3000 rpm |
| Engine |
| Displacement | 903 cc / 49 cu-in | 1923 cc / 117 cu in |
| Engine Detail | Four stroke V-Twin, SOHC, 4 valve | Four stroke, V-Twin, 2 Milwaukee-Eight 117 custom, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Bore x Stroke | 88.0 x 74.2 mm | 103.5 x 114.3 in |
| Compression Ratio | 9.5:1 | 10.3:1 |
| Cooling System | Liquid cooled | Air cooled |
| Exhaust | - | 2-into-2 staggered, catalyst in muffler |
| Fuel Induction | Fuel injection: Ø 34 mm x 2 with dual throttles | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition | Digital | Single-fire, non-wasted, map-controlled spark ignition |
| Lubrication | - | Pressurized, dry-sump with oil cooler |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet multi-disc, manual | Mechanical, 10 plate wet, assist & conventional |
| Final Drive | Belt | Belt, 32/66 ratio |
| Gear Ratios | st 2.786 (39/14) 2nd 1.889 (34/18) 3rd 1.360 (34/25) 4th 1.107 (31/28) 5th 0.963 (26/27) | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Primary Drive | - | Chain, 34/46 ratio |
| Primary Drive Ratios | 2.184 (83/38) | - |
| Transmission / Drive | 5 Speed | 6 Speed |
| Chassis |
| Frame Type | Double-cradle, steel | Mild steel, tubular frame, rectangular section backbone, stamped, cast, and forged junctions, MIG welded, aluminum forged fender supports |
| Suspension - Front | 41mm telescopic fork with 7-way preload | Dual bending valve 49mm telescopic with aluminum fork triple clamps, dual rate spring, "beer can" covers |
| Suspension - Rear | Uni-Trak with 7-way adjustable preload | Hidden, free piston, coil-over monoshock, 43mm stroke, hydraulic preload adjustment |
| Lean Angle | - | 25.6° |
| Rake | 32° | 30° |
| Steering Angle | Left 38° / Right 38° | - |
| Swingarm | - | Mild steel, tubular sections, stamped x-member, forged axle junctions, MIG welded, removable belt spacer |
| Trail | 160 mm / 6.3 in | 104 mm / 4.1 in |
| Wheel Travel - Front | 150 mm / 5.9 in | 130 mm / 5.1 in |
| Wheel Travel - Rear | 103 mm / 4.1 in | 86 mm / 3.4 in |
| Wheels & Brakes |
| Brakes - Front | Single 300mm disc 2 piston caliper | 2 x 300mm discs, 4 piston fixed caliper |
| Brakes - Rear | Single 270mm disc 2 piston caliper | Single 292mm disc, 2 piston floating caliper |
| ABS | - | Standard |
| Tyres - Front | 130/90 -16 | 160/60R18,70V,BW |
| Tyres - Rear | 180/70 -15 | 240/40R18,79V,BW |
| Wheels | - | Machined, Lakester cast aluminum |
| Wheels - Front | - | 18 x 4,5 in |
| Wheels - Rear | - | 18 x 8.0 in |