Kawasaki KDX 125 (1990-92) vs Kawasaki VN 900 Vulcan Custom (2019-20)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | KDX 125 | VN 900 Vulcan Custom |
| Years: | 1990-92 | 2019-20 |
| Engine: | Two stroke, single cylinder, with KIPS | Four stroke, V-twin, SOHC, 4 valves per cylinder |
| Capacity: | 124 cc / 7.6 cu-in | 903 cc / 49 cu-in |
| Bore x Stroke: | 56 х 50.6 mm | 88.0 x 74.2 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 8,0:1 | 9.5:1 |
| Induction: | Keihin PE28 carburetor | 2x 34mm ø Fuel injection with dual throttles |
| Ignition: | CDI | Digital |
| Starting: | Electric | Electric |
| Max Power: | 24 hp / 17.8 kW @ 9600 rpm | 37 kW / 50 hp @ 5700 rpm |
| Max Torque: | 21.8 Nm / 16 lb-ft @ 8600 rpm | 78 Nm / 8.0 kg-fm @ 3700 rpm |
| Clutch: | Multi-disc clutch in oil bath | Wet multi-disc, manual |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Belt |
| Front Suspension: | Kayaba 48mm telescopic hydraulic fork reversed KAYABA 48mm, double adjustment + adjustable spring preload, prepared | 41mm telescopic fork with 7-way preload |
| Front Wheel Travel: | 300 mm / 11.8 in | 150 mm / 5.9 in |
| Rear Suspension: | Uni-Trak adjustable for preload | Uni-Trak with 7-way adjustable preload |
| Rear Wheel Travel: | 320 mm / 12.5 in | 103 mm / 4.1 in |
| Front Brakes: | Single 260mm disc | Single 300mm disc |
| Rear Brakes: | Single 220mm disc | Single 270mm disc |
| Front Tyre: | 70/100-21 | 80/90 -21 |
| Rear Tyre: | 4.10-18 | 180/70 -15 |
| Wheelbase: | 1455 mm / 57.3 in to 1480 mm / 58.2 inaccording to chain tension | 1646 mm / 64.8 in |
| Seat Height: | 950 mm / 37.4 in | 685 mm / 27.0 in |
| Fuel Capacity: | 9.0 Litres / 2.3 US gal | 20 Litres / 5.3 US gal |