| General |
| Year | 2006 - 07 | 2021 |
| Make Model | Kawasaki VN 900 Vulcan Classic | Triumph Bonneville Speedmaster |
| Dimensions |
| Seat Height | 680 mm / 26.8 in | 705 mm / 27.8 in |
| Wheelbase | 1645 mm / 64.8 in | 1500 mm / 59.1 in |
| Height | 1065 mm / 41.9 in | 1055 mm /41.5 in |
| Length | 2465 mm / 97.1 in | 2225 mm / 87.6 in |
| Width | 1005 mm / 39.6 in | 910 mm / 35.8 in |
| Weights & Capacities |
| Wet Weight (kg) | 281 | 263 |
| Fuel Capacity | 20 Litres / 5.3 US gal. | 12 Litres / 3.2 US gal |
| Wet Weight | 281 kg / 620 lbs | 263 kg / 580 lbs |
| Performance |
| Max Power | 37 kW / 50 hp @ 5700 rpm | 57.5 kW / 76.9 hp @ 6100 rpm |
| Max Torque | 78 Nm / 8.0 kg-fm @ 3700 rpm | 106 Nm / 78.2 lb-ft @ 4000 rpm |
| Engine |
| Displacement | 903 cc / 49 cu-in | 1198 cc / 73.1 cu in |
| Engine Detail | Four stroke V-Twin, SOHC, 4 valve | Four stoke, parallel twin, 270° crank angle, SOHC, 4 valve per cylinder |
| Bore x Stroke | 88.0 x 74.2 mm | 97.6 x 80 mm |
| Compression Ratio | 9.5:1 | 10.0:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Emissions | - | EURO5 |
| Exhaust | - | Chromed stainless steel 2 into 2 twin-skin exhaust system with chromed stainless silencers |
| Fuel Induction | Fuel injection: Ø 34 mm x 2 with dual throttles | Multipoint sequential electronic fuel injection |
| Ignition | Digital | Digital |
| Lubrication | - | Wet sump |
| Starter | Electric | - |
| Drivetrain |
| Clutch | Wet multi-disc, manual | Wet, multi-plate, torque assist clutch |
| Final Drive | Belt | Chain |
| 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) | - |
| Primary Drive Ratios | 2.184 (83/38) | - |
| Transmission / Drive | 5 Speed | 6-Speed |
| Chassis |
| Frame Type | Double-cradle, steel | Tubular steel, twin cradle frame |
| Suspension - Front | 41mm telescopic fork with 7-way preload | 47 mm Showa cartridge forks |
| Suspension - Rear | Uni-Trak with 7-way adjustable preload | Mono-shock RSU with linkage and preload adjustment |
| Rake | 32° | 25.3° |
| Steering Angle | Left 38° / Right 38° | - |
| Swingarm | - | Twin sided fabrication |
| Trail | 160 mm / 6.3 in | 91.4 mm / 3.6 in |
| Wheel Travel - Front | 150 mm / 5.9 in | - |
| Wheel Travel - Rear | 103 mm / 4.1 in | - |
| Wheels & Brakes |
| Brakes - Front | Single 300mm disc 2 piston caliper | 2 x 310mm disc, Brembo 2-piston sliding axial calipers |
| Brakes - Rear | Single 270mm disc 2 piston caliper | Single 255mm disc, Nissin single piston sliding axial caliper |
| ABS | - | Standard |
| Tyres - Front | 130/90 -16 | 130/90-16 |
| Tyres - Rear | 180/70 -15 | 150/80-16 |
| Wheels - Front | - | Wire 32-spoke, 16 x 2.5 in |
| Wheels - Rear | - | Wire 32-spoke, 16 x 3.5 in |