Kawasaki VN 400 Vulcan (1994-04) vs Laverda 650 Sport (1994) vs Royal Enfield Classic 350 (2022) vs Aprilia RS 250 (2000-01) vs Honda CB-1 (1989-90) vs Laverda CR 600 Cruiser (1988) vs Aprilia Touno 125 (2017-18) vs Yamaha YZF-R 25 (2020)
Comparison technical specifications
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| Make: | Kawasaki | Laverda | Royal Enfield | Aprilia | Honda | Laverda | Aprilia | Yamaha |
| Model: | VN 400 Vulcan | 650 Sport | Classic 350 | RS 250 | CB-1 | CR 600 Cruiser | Touno 125 | YZF-R 25 |
| Years: | 1994-04 | 1994 | 2022 | 2000-01 | 1989-90 | 1988 | 2017-18 | 2020 |
| Engine: | Four stroke V- twin cylinder. SOHC, 2 valve per cylinder | Four stroke, parallel twin cylinder. DOHC, 4 valve per cylinder | Four stroke, single cylinder, SOHC, 2 valve | Two stroke, 90° V twin-cylinder, with laminar suction and exhaust valve. Separate lubrication with variable automatic mixer | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, parallel twin cylinders, DOHC, 4 valve per cylinder, 180° crankshaft. | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 399 cc / 24.3 cu-in | 668 cc / 40.7 cu-in | 349 cc / 21.2 cu-in | 249 cc / 15.2 cu in | 399 cc / 24.3 cu-in | 571.6 cc / 30.3 cu-in | 124.8 cc / 7.6 cu in | 249 cc / 15.1 cu-in |
| Bore x Stroke: | 62 х 66.2 mm | 78.5 x 69 mm | 72 x 85.8 mm | 56 x 50.6 mm | 55 x 42 mm | 76 x 63 mm | 58 X 47 mm | 60 x 44.1 mm |
| Compression Ratio: | 9.8:1 | 9.0:1 | 8.5:1 | 12.0:1 (+/- 0.7) | 11.3:1 | 9.1:1 | 12.5 ± 0.5:1 | 11.6:1 |
| Cooling System: | Liquid cooled | Air/oil cooled | Air-oil cooled | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled |
| Induction: | Keihin CVK 32 carburetor, with accelerating pump | Twin Weber-Marelli electronic injection | EFI | 2 x Ø34 mm Mikuni 34 SS flat side carburetors | 2x 30mm Keihin CV carburetor | Dell'Orto twin choke | Magneti Marelli M3G ø 32mm ECU | Electronic Fuel Injection |
| Starting: | Electric | Electric | Electric | Kick | Electric | Electric | Electric | Electric |
| Max Power: | 33 hp / 24.1 kW @ 8500 rpm | 70 hp / 52 kW @ 8000 rpm | 20.2 hp / 15 kW @ 6100 rpm | 52.9 kW / 72.5 hp @ 11900 rpm | 55.2 hp / 46.5 kW @ 10000 rpm | 46 hp / 34 kW @ 8500 rpm | 11.7 kW / 16 hp @ 10500 rpm | 26.5 kW / 36 PS @ 12,000 rpm |
| Max Torque: | 3.3 kgf-m / 23.6 lb-ft @ 4500 rpm | 60 Nm / 44.2 lb-ft @ 7000 rpm | 27 Nm / 19.9 lb-ft @ 4000 rpm | 40 Nm / 4.08 kgf-m / 29.5 lb/ft @ 10750 rpm | 21.39.3 Nm / 29 lb-ft @ 9500 rpm | 50 Nm / 36.8 lb-ft @ 4800 rpm | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 22.6 Nm / 16.7 lb-ft @ 10,000 rpm |
| Transmission: | 5 Speed | 6 speed | 5 Speed | 6 Speed, direct drive | 6 Speed | 6 Speed | 6 Speed | Constant Mesh, 6-speed |
| Final Drive: | Chain | Chain | Chain | Chain, sealed, jointless, DID 520 V6 | Chain | Chain | Chain: 60/13 (4.61) | Chain |
| Front Suspension: | Telescopic fork | 40mm WP Upside-down forks, adjustable rebound and damping. | 41mm Telescopic forks non adjustable | Ø40 mm Inverted fork with adjustable rebound and compression damping. | 41mm Telescopic forks | Gas assisted telescopic forks | Ø40 mm Upside-down hydraulic action telescopic fork | 41mm KYB telescopic fork |
| Rear Suspension: | Swing arm - Monoshock | WP Rising rate adjustable preload, rebound and damping. | Spring preload adjustable twin-tube emulsion shocks | Magnesium alloy swingarm. Monoshock with resevoir, adjustable extension, compression and spring preloading. | Pro-link monoshock | Single shock | Cast Aluminium swing-arm with asymmetrical members and thin walled structural shell. Hydraulic monoshock with adjustable spring preload | KYB monocross |
| Front Brakes: | Single 300m disc 2 piston caliper | 2x 320mm discs 4 piston calipers | Single 300mm disc, 2 piston floating calliper | 2 x Ø298 mm discs, 4 piston calipers | Single 310mm disc 2 piston caliper | 2x 280mm disc | Single Ø320 mm disc, 4 piston caliper | Single 298mm disc 2 piston caliper |
| Rear Brakes: | 180 mm Drum | Single 245mm disc 2 piston caliper | Single 270mm disc, single piston calliper | Single Ø220 mm disc, 2 piston caliper | Single 240mm disc 1 piston caliper | Single 270mm disc | Single Ø220 mm disc, 2 piston caliper | Single 220mm disc |
| Front Tyre: | 130/90-16 | 120/70 ZR17 | 100/90-19 | 120/60-17 | 110/70-17 | 100/90 V16 | 110/70-17 | 110/70-17M/C 54S |
| Rear Tyre: | 140/90-16 | 170/60 ZR17 | 120/80-18 | 150/60-17 | 140/60-17 | 130/90 V16 | 150/60-17 | 140/70-17M/C 66S |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 16 Litres / 4.2 US gal | 12.8 Litres / 3.4 US gal | 16.5 Litres / 4.4 US gal | 13 Litres / 3.9 US gal | 18 Litres / 4.7 US gal | 14 Litres / 3.7 US gal | 14.3 Litres / 3.7 US gal |