Kawasaki KE 125 (1975-76) vs Kawasaki ZX-10 (1989) vs Kawasaki ZZ-R 1200 / ZX-12C (2003) vs Honda CB 450K2 (1969) vs Triumph Bonneville 750 T140E Special Edition (1980) vs Honda VFR 800F V-Tec (2002) vs Kawasaki GPz 550 / Z 550GP (1982)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	Kawasaki	Honda	Triumph	Honda	Kawasaki
Model:	KE 125	ZX-10	ZZ-R 1200 / ZX-12C	CB 450K2	Bonneville 750 T140E Special Edition	VFR 800F V-Tec	GPz 550 / Z 550GP
Years:	1975-76	1989	2003	1969	1980	2002	1982
Engine:	Two stroke, single cylinder, rotary valves	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder	Four stroke, parallel twin, OHV, 2 valves per cylinder	Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.
Capacity:	124 cc / 7.6 cu-in	997 cc / 60.8 cu-in	1164 cc / 71.0 cu-in	445 cc / 27.1 cu-in	744 cc / 45.4 cu in	781.7 cc / 47.4 cu-in	553 cc / 33.7 cu-in
Bore x Stroke:	56 х 50.6 mm	74 x 58 mm	78 x 59 mm	70 x 57.8 mm	76 x 82 mm	72 x 48 mm	58 x 52.4 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled	Air cooled
Compression Ratio:	7.0:1	11.0:1	10.6:1	9.0:1	8.6:1	11.6 1	10.0:1
Induction:	Carburetor	4x 36mm Keihin CV carburtors	4x Keihin CVKD40, TPS	2x 32mm Keihin carburetors	2 x 30 mm Amal carburetors	PGM-FI electronic fuel injection	4x 22mm Teikei constant vacuum - main jets #94
Ignition:	Membrane	Electronic	Digital ignition	Coil with auto-advance, twin contact breaker	Battery / dual coil / dual points / Lucas	PGM-FI electronic fuel injection	CDI
Starting:	Kick	Electric	Electric	Kick	Electric and kick	Electric	Electric
Max Power:	13 hp / 9.6 kW @ 7500 rpm	137 hp / 99.9 kW @ 10000 rpm	158.8 hp / 116.8 kW @ 9800 rpm	45 hp / 32.8 kW @ 9000 rpm	40.3 kW / 54 hp @ 6200 rpm	110 hp / 81 kW @ 10500 rpm	58 hp / 42.3 Nm @ 9000 rpm
Max Torque:	1.5 kgf-m / 10.8 lb-ft @ 6000 rpm	3.6 kgf-m / 103 Nm @ 9000 rpm	164 Nm / 121 lb-ft @ 8200 rpm	37.4 Nm / 27.6 lb-ft @ 7000 rpm	56.6 Nm / 5.77 kgf-m / 41.8 ft-lb @5500 rpm	82 Nm / 60.5 lb-ft @ 8500 rpm	35.5 lb-ft / 48.1 Nm @ 8000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	Chain	Chain, 106 links	#530 O-ring-sealed chain	#530 O-ring chain
Front Suspension:	Telescopic forks	41mm Telescopic forks	Cartridge-style fork with preload adjustment	Telescopic forks with two-way damping.	Telescopic forks	41mm H.M.A.S. cartridge-type telescopic fork with preload adjustable damper,	Telescopic forks
Rear Suspension:	Dual shocks	Uni-trek monoshock,. air assisted 4-way rebound damping adjustment	UNI-TRAK® system with remote reservoir shock with preload adjustment	Swing arm, shock absorbers with adjustable preload	Swingarm, Girling shocks, 3-way spring preload adjustable	Pro arm mono arm system incorporating stepless rebound-adjustable gas-charged H.M.A.S. damper with pro-link,	Dual shocks, Swinging arm
Front Brakes:	Drum	2x 300mm discs 2 piston calipers	2x 320mm discs 6 piston calipers	Drum	Single 254 mm disc, 1 piston caliper	2x 296mm discs 3 piston calipers	2X 260mm disc
Rear Brakes:	Drum	Single 250mm disc 2 piston caliper	Single 250mm disc 2 piston caliper	Drum	Single 254 mm disc, 1 piston caliper	Single 256mm disc 3 piston caliper	Single 260mm disc
Front Tyre:	2.75-21	120/70-17	120/70 ZR17	3.25-18	3.25-19	120/70 ZR17	3.25 H19
Rear Tyre:	3.50-18	160/60-18	180/55-ZR17	3.50-18	4.00-18	180/55 ZR17	3.75 H18
Fuel Capacity:	9.5 Litres / 2.5 US gal	22 Litres / 5.8 US gal	23 Litres / 6.0 US gal	14 Litres / 3.7 US gal	18.2 Litres / 4.8 US gal / 4.0 Imp gal	20.8 Litres / 5.5 gal	15 Litres / 3.9 US gal