Kawasaki KLX 250S (2017) vs Suzuki DR-Z 400SM (2013-14) vs Ducati 250 Formula 3 (1960-62)
Comparison technical specifications
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| Make: | Kawasaki | Suzuki | Ducati |
| Model: | KLX 250S | DR-Z 400SM | 250 Formula 3 |
| Years: | 2017 | 2013-14 | 1960-62 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, single cylinder, SOHC, shaft and bevel gear driven, 2 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 398 cc / 24.3 cu-in | 248.6 cc / 15.2 cu in |
| Bore x Stroke: | 72 х 61.2 mm | 90 x 62.6 mm. | 74 x 57.8 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 11.0:1 | 11.3:1 | 8.5:1 |
| Induction: | Keihin CVK34 carburetor | Mikuni BSR36 CV carburetor | Dell'Orto SS1 29A carburetor |
| Ignition: | Digital CDI | Digital CDI | Battery and coil |
| Starting: | Electric | Electric | Kick |
| Max Power: | 27 hp / 22.3 kW @ 8500 rpm | 29.2 kW / 39.7 hp @ 8500 rpm (rear wheel: 24.9 kW / 33.4 hp | 17.2 kW / 23 hp @ 8200 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated | Multi wet plate, wet |
| Transmission: | 6 Speed | 5 Speed | 4 Speed |
| Final Drive: | Chain | Chain, #520 | Chain |
| Frame: | Steel, Double cradle frame | Chrome-moly steel frame, single front down tube | Single cradle tubular frame |
| Front Suspension: | 43 mm Inverted cartridge fork with 16-Way compression damping adjustment | Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload | Hydraulic telescopic fork |
| Rear Suspension: | Uni-Trak® with Adjustable preload, 16-Way compression and Rebound damping adjustment | Link-type, fully adjustable spring preload, 26-way compression damping | Swingarm, dual shocks |
| Front Brakes: | Single 250mm disc 2 piston caliper | Single 310 mm floating disc, 2 piston caliper | Drum |
| Rear Brakes: | Single 230mm disc 1 piston caliper | Single 240mm disc, 1 piston caliper | Drum |
| Front Tyre: | 80/100-21 | 120/70-17 | 2.50 -19 |
| Rear Tyre: | 100/100-18 | 140/70-17 | 2.75 -19 |