Triumph Street Triple R (2010) vs Kawasaki ZX-R 250 Ninja (1993-94) vs Aprilia RS 660 Stars and Stripes Limited Edition (2022) vs Ducati 1198S Testastretta Evoluzione (2009) vs Harley-Davidson Harley Davidson FXD/I Dyna Super Glide (2001-02)

Comparison technical specifications

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Make:	Triumph	Kawasaki	Aprilia	Ducati	Harley-Davidson
Model:	Street Triple R	ZX-R 250 Ninja	RS 660 Stars and Stripes Limited Edition	1198S Testastretta Evoluzione	Harley Davidson FXD/I Dyna Super Glide
Years:	2010	1993-94	2022	2009	2001-02
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	Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder	Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Capacity:	675 cc / 41.19 cu-in	249 cc / 15.2 cu-in	659 cc / 40.2 cu-in	1198 cc / 73.1 cu in	1449 cc / 88.4 cu-in
Bore x Stroke:	74 x 52.3 mm	49 x 33.1 mm	81 x 63.93 mm	106 x 67.9 mm	95.3 x 101.6 mm
Cooling System:	Liquid-cooled	Liquid cooled	Liquid cooled with radiator and water-oil heat exchanger	Liquid cooled	Air cooled
Compression Ratio:	12.65:1	12.2:1	13.5: 1	12.7:1	8.9:1
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	Marelli electronic fuel injection, elliptical throttle bodies	Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection
Starting:	Electric	Electric	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	125 kW / 170hp @ 9750 rpm	67 hp / 48.8 kW @ 5200 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	131.4 Nm / 13.4 kgf-m / 97 lb-ft @ 8000 rpm	116.6 Nm / 86 lb-ft @ 3500rpm
Clutch:	Wet multiplate	Wet, Multi-disc, Manual, Cable-actuated	Wet, multi-plate, slipper	Dry multiplate with hydraulic control	Wet 9-plate
Transmission:	6 Speed	6 Speed	6 Speed, AQS Aprilia Quick Shift	6 Speed	5 Speed
Final Drive:	O-ring chain	Chain	Chain, with drive ratio: 17/43	Chain, front sprocket 15; rear sprocket 38	Belt
Frame:	Aluminium beam twin spar	Perimeter, pressed aluminium	Double beam aluminium frame with detachable rear seat	Tubular steel Trellis frame	Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded
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.	Öhlins 43mm with TiN fully adjustable upside-down fork	39 mm w/ polished aluminum fork triple clamp and dual-rate springs
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.	Progressive linkage with fully adjustable Öhlins monoshock with top-out spring. Aluminium single-sided swingarm	Coil over shock
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	2 x 330 mm Semi-floating discs, radially mounted Brembo Monobloc calipers, 4-piston, 2-pad.	Single 292mm disc 4 piston calipers
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	Single 245 mm disc 2 piston caliper	Single 292mm disc 4 piston calipers
Front Tyre:	120/80 ZR17	110/70-R17 54H	120/70 ZR 17 Tubeless radials	120/70 ZR17	100/90-19
Rear Tyre:	180/55 ZR17	140/60-R18 64H	180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials	190/55 ZR17	MT90 B16
Rake:	23.9º	24°	24.1°	24°30' / 24.5°	29°
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	Length 2100mm / 82.6in Height 1100mm / 43.3in	Length 2357.0 mm / 92.8 in
Seat Height:	805 mm / 31.7 in	735 mm / 28.9 in	815 mm / 32.0 in	820mm / 32.2in	Laden2 675.6 mm / 26.6 in Unladen 700.0 mm / 27.6 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	15.5 Litres / 4.1 US gal / 3.4 Imp gal	18.6 Litres / 4.8 US gal