Kawasaki ZX-R 750-J (1992) vs Aprilia AF1 125 Project 108 Sport (1988) vs Honda CRF 230L (2006-07) vs Triumph Rocket III Roadster (2017-18) vs Honda CBR 1000RR Fireblade (2005)

Comparison technical specifications

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Make:	Kawasaki	Aprilia	Honda	Triumph	Honda
Model:	ZX-R 750-J	AF1 125 Project 108 Sport	CRF 230L	Rocket III Roadster	CBR 1000RR Fireblade
Years:	1992	1988	2006-07	2017-18	2005
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Two stroke, single cylinder	Four stroke single cylinder, SOHC, 4 valves	Four stroke, 3-cylinder, DOHC	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder.
Capacity:	749 cc / 45.7 cu-in	123 cc / 7.5 cu in	223 cc / 13.6 cu-in	2294 cc / 140 cub in	998 cc / 60.9 cu-in
Bore x Stroke:	71 x 47.3 mm	54 x 54.5 mm	65.5 x 66.2mm	101.6 x 94.3 mm	75 x 56.5 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	10.8:1	15.5:1	9.0:1	8.7:1	11.9:1
Induction:	4x 38 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake)	Dell'Orto carburetor, Ø 28 mm	Single 30 mm CV carburetor	Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies	PGM-DSFI electronic fuel injection. 44mm Throttle Bore
Starting:	Electric	Electric	Electric & Kick	Electric	Electric
Max Power:	100 hp / 74 kW @ 10500 rpm	18.7 kW / 25.1 hp @10000 rpm	18.6 hp / 13.7 kW @ 8000 rpm	109 kW / 146 hp @ 5750 rpm	126,4 kW / 172 hp @ 11250 rpm
Max Torque:	7.45 kgf-m / 58.3 lb-ft @ 9000rpm	17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm	18.8 Nm / 1.92 kg-m @ 6000 rpm	221 Nm / 22.5 kgf-m / 163 ft-lb @ 3300 rpm	115 Nm / 11.73 kg-m @ 10000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain	#520 O-ring-sealed chain	Shaft	Chain
Front Suspension:	43mm Upside-down forks, adjustable ride height, 13-way rebound	Telescopic fork, 4-way anti-drive adjustable	37mm leading-axle Showa fork	Kayaba 43mm upside down forks	43mm inverted HMAS cartridge fork with spring preload, rebound and compression damping adjustability;
Rear Suspension:	Uni Track monoshock. adjustable ride height, preload, 4-way rebound	Sebac mono shock	Pro-Link Showa single-shock with spring-preload adjustability	Kayaba black spring twin shocks with 5 position adjustable preload	Pro-Link single shock with spring preload, rebound and compression damping adjustability;
Front Brakes:	2x 320mm discs 4 piston calipers	Single Ø 260 mm disc	Single 240mm disc 2 piston caliper	2 x 320 mm Floating discs, Nissin 4-piston fixed caliper, ABS	2x 310mm discs 4 piston calipers
Rear Brakes:	Single 230mm disc 2 piston caliper	Single Ø 240mm disc	Single 220mm disc	Single 316 mm disc, Brembo 2 piston floating caliper, ABS	Single 220mm disc 1 piston calliper
Front Tyre:	120/70ZR17 /Std Pressure 36psi	100/80-16	2.75-21	150/80 V17	120/70 ZR17
Rear Tyre:	180/55ZR17 /Std Pressure 41psi	120/80-16	120/80-18	250/50 V16	190/50 ZR17
Dry Weight:	195 kg / 420.9 lbs	120 kg / 265 lbs	113 kg / 249 lbs	320 kg / 704 lbs	179 kg / 394.6 lbs
Fuel Capacity:	18 Litres / 4.7 US gal	22.5 L / 5.9 US gal	8.6 Litres / 2.27 gal	24 Litres / 6.3 US gal	18 Litres / 4.8 gal