Kawasaki KDX 250R (1993-95) vs Suzuki Boulevard C90 B.O.S.S (2017-18) vs Gilera RX 200 Arizona Hawk (1985)
Comparison technical specifications
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| Make: | Kawasaki | Suzuki | Gilera |
| Model: | KDX 250R | Boulevard C90 B.O.S.S | RX 200 Arizona Hawk |
| Years: | 1993-95 | 2017-18 | 1985 |
| Engine: | Two stroke, single cylinder, reed valve | Four stroke, 54° V-twin, SOHC, 3 valves per cylinder | Two stroke, single cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 1462 cc / 89.2 cu-in | 183 cc / 11.1 cu-in |
| Bore x Stroke: | 67.4 х 70 mm | 96 x 101 mm | 68 x 50.5 mm |
| Compression Ratio: | 10.2:1 | 9.5:1 | 9.5:1 |
| Induction: | KEIHIN PWK-38. carburetor | Fuel injected | Dell'Orto premix |
| Ignition: | CDI | Digital transistorized | Electronic |
| Starting: | Electric | Electric | Kick |
| Max Power: | 40 hp / 29.8 kW @ 7000 rpm | 49.2 kW / 66 hp @ 4800 rpm | 26 hp / 19 kW @ 7500 rpm |
| Front Suspension: | 43mm conventional cartridge fork | Telescopic, coil springs, oil damped | Telescopic forks |
| Rear Suspension: | UNI-TRAK® single-shock system | Link type, coil spring, oil damped | Alloy swing arm adjustable single shock |
| Front Brakes: | Single 250mm disc 2 piston caliper | Dual 300 mm discs, 4 piston caliper | Single 240mm disc |
| Rear Brakes: | Single 230mm disc 1 piston caliper | Single 180 mm disc, 2 piston caliper | Drum |
| Front Tyre: | 80/100-21 | 130/80-17M/C 65H, tubeless | 2.75-21 |
| Rear Tyre: | 110/100-18 | 200/60-16M/C 79H, tubeless | 4.60-17 |
| Fuel Capacity: | 12.5 Litres / 3.3 US gal | 18 Litres / 4.8 US gal | 15 Litres / 3.9 US gal |