Kawasaki VN 1500 Vulcan (1991-94) vs Kawasaki ER-5 Twister (2003-05) vs Kawasaki KDX 250R (1990-92) vs BMW R nineT Pure (2021)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki | BMW |
| Model: | VN 1500 Vulcan | ER-5 Twister | KDX 250R | R nineT Pure |
| Years: | 1991-94 | 2003-05 | 1990-92 | 2021 |
| Engine: | Four stroke, 50° V-Twin, SOHC, 4 valves per cylinder | Four stroke, parallel twin cylinders, DOHC, 4 valves per cylinder. | Two stroke, single cylinder, reed valve | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counterbalancer shaft. |
| Capacity: | 1470 cc / 89.7 cu-in | 498 cc / 30.4 cu-in | 249 cc / 15.2 cu-in | 1170 cc / 71.4 cub in |
| Bore x Stroke: | 102 x 90 mm | 74 x 58 mm | 67.4 х 70 mm | 101 x 73 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Air/Oil cooled |
| Compression Ratio: | 8.8:1 | 9.8:1 | 10.2:1 | 12.0:1 |
| Induction: | 2x Keihin CV 40mm carburetor | 2x 34mm Keihin CVK | KEIHIN PWK-38. carburetor | Electronic intake pipe injection / digital engine management with overrun cutoff, twin-spark ignition |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 60.9 hp / 44.5 kW @ 4300 rpm | 50 hp / 36.5 kW @ 8500 rpm | 40 hp / 29.8 kW @ 7000 rpm | 80 kW /109 hp @ 7250 rpm |
| Max Torque: | 117.6 Nm / 12 kg-m @ 3300 rpm | 45.2 Nm / 33.2 lb-ft @ 7000 rpm | 4.1 kgf-m @ 6500 rpm | 116 Nm / 11.8 kgf-m / 85.6 lb-ft @ 6000 rpm |
| Front Suspension: | Centre axle forks with 41mm tubes, 150mm wheel travel | 37 mm telescopic fork | 43mm conventional cartridge fork | 46 mm upside-down telescopic forks |
| Rear Suspension: | Dual shock absorbers adjustable for spring preload, 100mm wheel travel. | Dual rear shocks with 5-way adjustable preload | UNI-TRAK® single-shock system | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping |
| Front Brakes: | Single disc 1 piston caliper | Single 280mm disc 2 piston caliper | Single 250mm disc 2 piston caliper | 2 x 320 mm discs, 4 piston calipers |
| Rear Brakes: | Single disc 1 piston caliper | 160mm drum | Single 230mm disc 1 piston caliper | Single 265 mm disc, 2 piston floating caliper |
| Front Tyre: | 100/90-19 | 110/70 R17 | 80/100-21 | 120/70 - ZR17 |
| Rear Tyre: | 150/90-15 | 130/70 R17 | 110/100-18 | 180/55 - ZR17 |
| Wheelbase: | 1665 mm / 65.5 in | 1430 mm / 56.3 in | 1475 mm / 58.0 in | 1493 mm / 58.7 in |
| Seat Height: | 750 mm / 29.5 in | 815 mm / 32.1 in | 935 mm / 36.8 in | 805 mm / 31.7 in |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 17 Litres / 4.4 US gal | 12.5 Litres / 3.3 US gal | 17 Litres / 4.5 US gal |