Triumph Street Triple R (2010) vs Kawasaki ZX-R 250 Ninja (1993-94) vs Aprilia RS 660 Stars and Stripes Limited Edition (2022)
Comparison technical specifications
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| Make: | Triumph | Kawasaki | Aprilia |
| Model: | Street Triple R | ZX-R 250 Ninja | RS 660 Stars and Stripes Limited Edition |
| Years: | 2010 | 1993-94 | 2022 |
| Engine: | Four stroke, in-line 3-cylinder, DOHC, 12 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder |
| Capacity: | 675 cc / 41.19 cu-in | 249 cc / 15.2 cu-in | 659 cc / 40.2 cu-in |
| Bore x Stroke: | 74 x 52.3 mm | 49 x 33.1 mm | 81 x 63.93 mm |
| Cooling System: | Liquid-cooled | Liquid cooled | Liquid cooled with radiator and water-oil heat exchanger |
| Compression Ratio: | 12.65:1 | 12.2:1 | 13.5: 1 |
| Induction: | Multipoint sequential electronic fuel injection with forced air induction | 4x Keihin CVK D30 carburetors | Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management |
| Starting: | Electric | Electric | Electric |
| Max Power: | 79 kW / 107 hp @ 11700 rpm | 45 hp / 32.8 kW @ 15000 rpm | 100 hp / 73.5 kW @ 10,500 rpm |
| Max Torque: | 69 Nm / 7.0 kgf-m / 51 ft-lb @ 9100 rpm | 2.6 kgf-m / 24.5 Nm @ 11500 rpm | 67.0 Nm / 6.83 kgm @ 8,500 rpm |
| Clutch: | Wet multiplate | Wet, Multi-disc, Manual, Cable-actuated | Wet, multi-plate, slipper |
| Transmission: | 6 Speed | 6 Speed | 6 Speed, AQS Aprilia Quick Shift |
| Final Drive: | O-ring chain | Chain | Chain, with drive ratio: 17/43 |
| Frame: | Aluminium beam twin spar | Perimeter, pressed aluminium | Double beam aluminium frame with detachable rear seat |
| Front Suspension: | 41mm Kayaba upside down forks, with adjustable preload, rebound and compression damping, | Telescopic forks | Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload. |
| Front Wheel Travel: | 120 mm / 4.7 in | 120 mm / 4.7 in | 120 mm / 4.7 in |
| Rear Suspension: | Kayaba monoshock with piggy back reservoir, adjustable for preload, rebound and compression damping, | Uni-track, Swing arm | Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload. |
| Rear Wheel Travel: | 126 mm / 5.0 in | 113 mm / 4.4 in | 130 mm / 5.1 in |
| Front Brakes: | 2 x 308mm Floating discs, Nissin4 piston radial calipers | 2x discs 2 piston calipers | 2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose |
| Rear Brakes: | Single 220 mm disc, 1 piston caliper | Single disc 1 piston caliper | Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos |
| Front Tyre: | 120/80 ZR17 | 110/70-R17 54H | 120/70 ZR 17 Tubeless radials |
| Rear Tyre: | 180/55 ZR17 | 140/60-R18 64H | 180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials |
| Rake: | 23.9º | 24° | 24.1° |
| Trail: | 95 mm / 3.7 in | 85 mm / 3.1 in | 104.6 mm |
| Dimensions: | Length 2030mm / 79.9 in Width (handlebars) 755mm / 29.7 in Height without mirrors 1110mm / 43.7 in | Length 2000 mm / 78.7 in Width 685 mm / 27.0 in Height 1090 mm / 42.9 in | Length mm / in Width mm / in Height mm / in |
| Seat Height: | 805 mm / 31.7 in | 735 mm / 28.9 in | 815 mm / 32.0 in |
| Fuel Capacity: | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 15 Litres / 3.4 US gal | 15 Litres / 3.9 US gal |