Kawasaki ZX-R 750R-M (1993) vs Ariel Arrow Super Sport 250 (1961-62) vs Ariel 4F Square Four 600 (1932-36)
Comparison technical specifications
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| Make: | Kawasaki | Ariel | Ariel |
| Model: | ZX-R 750R-M | Arrow Super Sport 250 | 4F Square Four 600 |
| Years: | 1993 | 1961-62 | 1932-36 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Two stroke, parallel twin | Four stroke, parallel twin, OHC |
| Capacity: | 749 cc / 45.7 cu-in | 247 cc / 15.1 cu in | 601 cc / 36.7 cu in |
| Bore x Stroke: | 71 x 47.3 mm | 54 x 54 mm | 56 x 61 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled |
| Compression Ratio: | 10.8:1 | 10:1 | 6.9:1 |
| Induction: | 4x 39 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake) | 1-1/16 in Amal 376 carburettor | Carburetor |
| Starting: | Electric | Kick | Kick start |
| Max Power: | 121 hp / 88.3 kW @ 10500 rpm | 14.9 kW / 20 hp 2 6500 rpm | 17 kW / 23 hp @ 5600 rpm (1939 model) |
| Transmission: | 6 Speed | 4-Speed | 4-Speed, Burman |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | 41mm Upside-down forks, adjustable ride height, 13-way rebound, 8-way compression. | Trailing link fork | Ariel centre spring girders |
| Rear Suspension: | Uni Track monoshock. adjustable ride height, preload, 4-way rebound. | Swing arm, twin shock absorbers/dampers | Rigid, spring loaded saddle |
| Front Brakes: | 2x 320mm discs 4 piston calipers | Drum, 6 in, leading shoe | Drum, 7 in |
| Rear Brakes: | Single 230mm disc 2 piston caliper | Drum, 6 in, leading shoe | Drum, 7 in |
| Wheelbase: | 1420 mm / 55.9 in | 1300 mm / 51 in | 1384mm / 54.5 in |
| Dry Weight: | 190 kg / 418.8 lbs | 132 kg / 290 lbs | 168 kg / 370 lbs |