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) vs Harley-Davidson Harley Davidson FLTRX Road Glide (2019-20) vs Suzuki DR-Z 400E (2005-2006) vs Suzuki Boulevard S83 (2007-09) vs Kawasaki VN 2000 Vulcan (2006-07)

Comparison technical specifications

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Make:	Triumph	Kawasaki	Aprilia	Ducati	Harley-Davidson	Harley-Davidson	Suzuki	Suzuki	Kawasaki
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	Harley Davidson FLTRX Road Glide	DR-Z 400E	Boulevard S83	VN 2000 Vulcan
Years:	2010	1993-94	2022	2009	2001-02	2019-20	2005-2006	2007-09	2006-07
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	Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, 45°V-Twin, SOHC, 3 valves per cylinder.	Four stroke, V-twin cylinder, DOHC, 4 valve 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	1746 cc / 107 cub in.	398 cc / 24.3 cu-in	1360cc / 83 cubic inch	2053 cc / 125 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	100 x 111 mm	90 x 62.6 mm.	94 x 98 mm	103 x 123.2 mm
Cooling System:	Liquid-cooled	Liquid cooled	Liquid cooled with radiator and water-oil heat exchanger	Liquid cooled	Air cooled	Air cooled	Liquid cooled	Oil/air cooled	Liquid cooled
Compression Ratio:	12.65:1	12.2:1	13.5: 1	12.7:1	8.9:1	10.0:1	12.2:1	9.3:1	9.5:1
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	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	Electronic Sequential Port Fuel Injection (ESPFI)	Mikuni BSR36 carburetor	2 x Mikuni BDS36 /BS36	Electronic fuel injection, 46mm throttle bodies
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Kick	Electric	Electric
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	154 Nm / 113.6 lb-ft @ 3250 rpm	39 Nm / 3.98 kg-m / 28.8 lb-ft @ 6600 rpm	115 Nm / 11.7 kgf-m / 84.8 ft-lb @ 3200 rpm	177 Nm / 130.5 lb-ft @ 3200 rpm
Transmission:	6 Speed	6 Speed	6 Speed, AQS Aprilia Quick Shift	6 Speed	5 Speed	6 Speed Cruise Drive®	5 Speed	5 Speed	5 Speed
Final Drive:	O-ring chain	Chain	Chain, with drive ratio: 17/43	Chain, front sprocket 15; rear sprocket 38	Belt	Belt, 32/68 ratio	Chain, #520	Shaft	Belt
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	41.3 mm telescopic, triple circuit damping	Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload	Telescopic, coil spring, oil damped	49 mm telescopic fork.
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	Low air-adjustable low profile air ride rear suspension	Link-type, fully adjustable spring preload, 26-way compression damping	Twin shock, oil damped, 5-way adjustable spring preload	Swingarm with mono-shock, rebound damping 8-way Spring preload adjustable
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	2x 300mm discs 4 piston calipers	Single 250mm disc, 2 piston caliper	Single 295 mm disc, 2 piston caliper	2x 300mm discs 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	Single 300mm discs 4 piston caliper	Single 220mm disc, 1 piston caliper	Single 275 mm disc, 1-piston caliper	Single 320mm disc 2 piston caliper
Front Tyre:	120/80 ZR17	110/70-R17 54H	120/70 ZR 17 Tubeless radials	120/70 ZR17	100/90-19	130/60B19 61H	80/100-21	110/90-19	150/80 R16
Rear Tyre:	180/55 ZR17	140/60-R18 64H	180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials	190/55 ZR17	MT90 B16	BW 180/65B16 81H	120/90-18	170/80-15	200/60 R16
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	Laden 7 658 mm / 25.9 in Unladen 7 695 mm / 27.4 in	945 mm / 37.2 in	740 mm / 29.1 in	690 mm / 26.8 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	22.7 Litres / 6.0 US gal	10 Litres / 2.6 US gal / 2.2 Imp gal	13 Litres / 3.4 US gal	20.8 Litres / 5.5 US gal