Suzuki DR 650RS (1990) vs Suzuki RMX 250S (1993-95) vs Kawasaki ER4n (2011-12)
Comparison technical specifications
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| Make: | Suzuki | Suzuki | Kawasaki |
| Model: | DR 650RS | RMX 250S | ER4n |
| Years: | 1990 | 1993-95 | 2011-12 |
| Engine: | Air/oil cooled, four stroke, single cylinder. SOHC, 4 Valve per cylinder. | Two stroke, single cylinder | Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder. |
| Capacity: | 640 cc / 39 cu in | 249 cc / 15.2 cu in | 399 cc / 24.3 cu-in |
| Bore x Stroke: | 95 x 90.4 mm | 67 mm x 70.8 mm | 68.4 x 54.3 mm |
| Compression Ratio: | 9.7:1 | 9.9 - 9.2 - 8.1:1 | 11.0:1 |
| Induction: | 40 mm Flat side BST40 Mikuni | Mikuni TM38SS carburetor | Fuel injection: ø34 mm x 2 Keihin |
| Ignition: | Digital | Suzuki PEI | TCBI with digital advance |
| Starting: | Kick | Kick | Electric |
| Max Power: | 32.8 kW / 45 hp @ 6800 rpm (at rear wheel 30.6 kW / 41.1hp @ 6500 rpm ) | 38 kW / 51 hp @ 9000 rpm | 42 hp / 32 kW @ 9500rpm |
| Max Torque: | 57 Nm / 5.1 kgf-m / 42.0 lb-ft @ 5000 rpm | 46.6 Nm / / 4.75 kgf-m / 34.4 lb-ft @ 7000 rpm | 37 Nm / 27 lb-ft @ 7500 rpm |
| Transmission: | 5 Speed | 5 Speed constant mesh | 6 Speed |
| Front Suspension: | Telescopic fork | Inverted telescopic, pneumatic/coil spring, oil dampened, 21 way compression dampening, 21 way rebound dampening | 41 mm telescopic fork |
| Rear Suspension: | Full Floater swingarm, single shock, gas/oil damped | Link-type, spring preload fully adjustable, 18 way compression dampening, 21 way rebound dampening | Offset laydown single-shock with adjustable preload |
| Front Brakes: | Single 280mm disc, 2 piston caliper | Single disc | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | Single 230mm disc, 2 piston calipers | Single disc | Single 220mm disc |
| Front Tyre: | 90/90-21 | 80/100 - R21 51M | 120/70ZR17 |
| Rear Tyre: | 120/90-17 | 110/100 - R18 64M | 160/60ZR17 |
| Dimensions: | Length: 2385 mm / 93.9 in Width: 870 mm / 34.3 in Height: 1330 mm / 52.4 in | Length: 2185 mm / 86.0 in Width: 895 mm / 35.2 in Height 1255 mm - 49.4 in | Length 1100 mm / 43.3 in Height 2100 mm / 82.6 in Width 760 mm / 29.9 in |
| Wheelbase: | 1510 mm / 59.5 in | 1485 mm / 58.5 in | 1410 mm / 55.5 in |
| Seat Height: | 890 mm / 34.8 in | 955 mm / 37.6 in | 785 mm / 30.9 in |
| Fuel Capacity: | 21 Litres / 5.5 US gal / 4.6 Imp gal | 11 L / 2.9 US gal / 2.4 Imp gal | 15 Litres / 3.9 USgal |