Ariel Arrow Super Sport 250 (1961-62) vs Kawasaki GPz 600R Ninja / ZX 600R Ninja (1985-86) vs KTM 890 Duke R (2021)
Comparison technical specifications
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| Make: | Ariel | Kawasaki | KTM |
| Model: | Arrow Super Sport 250 | GPz 600R Ninja / ZX 600R Ninja | 890 Duke R |
| Years: | 1961-62 | 1985-86 | 2021 |
| Engine: | Two stroke, parallel twin | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Capacity: | 247 cc / 15.1 cu in | 592 cc / 36.1 cu-in | 889 cc / 54.2 cu-in |
| Bore x Stroke: | 54 x 54 mm | 60 х 52.4 mm | 90.7 x 68.8 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled with water/oil heat exchanger |
| Compression Ratio: | 10:1 | 11.0:1 | 13.5:1 |
| Induction: | 1-1/16 in Amal 376 carburettor | 4x 32mm Keihin CVK carburetors | DKK DellOrto fuel-Injection throttle body 46mm |
| Starting: | Kick | Electric | Electric |
| Max Power: | 14.9 kW / 20 hp 2 6500 rpm | 75 hp / 54.7 kW @ 10500 rpm | 121 hp / 89 kW @ 9250 rpm |
| Transmission: | 4-Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain 520 X-Ring |
| Front Suspension: | Trailing link fork | 37mm Air assisted forks, AVDS adjustable anti-dive | 43mm WP APEX upside-down forks |
| Rear Suspension: | Swing arm, twin shock absorbers/dampers | Single air assisted shock adjustable for rebound damping | WP APEX Monoshock |
| Front Brakes: | Drum, 6 in, leading shoe | 2x discs 1 piston calipers | 2x 320mm discs, Brembo Stylema monobloc 4 piston, radially mounted caliper |
| Rear Brakes: | Drum, 6 in, leading shoe | Single disc 1 piston caliper | Single 240mm disc, Brembo 1 piston floating calliper |
| Front Tyre: | White wall | 110/90-16 | 120/70 ZR 17 |
| Rear Tyre: | White wall | 130/90-16 | 180/55 ZR 17 |
| Dry Weight: | 132 kg / 290 lbs | 195 kg / 430 lbs | 166 kg / 366 lbs |
| Fuel Capacity: | 13.6 L / 3.6 US gal | 18 Litres / 4.7 US gal | 14 Litres / 3.7 US gal |