Kawasaki KH400 (1976) vs Kawasaki KR1 (1989) vs Kawasaki Ninja 650 (2014) vs Triumph Street Twin (2018) vs Yamaha WR 250Z (1997) vs Honda CBR 500R (2021)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike
Make:	Kawasaki	Kawasaki	Kawasaki	Triumph	Yamaha	Honda
Model:	KH400	KR1	Ninja 650	Street Twin	WR 250Z	CBR 500R
Years:	1976	1989	2014	2018	1997	2021
Engine:	Two stroke, transverse three cylinder, piston valve	Ttwo stroke, parallel twin cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder.	Four stroke, 270° Crank angle parallel twin, SOHC, 8 valves	Two stroke, single cylinder	Four stroke, parallel-twin, DOHC; 4 valves per cylinder
Capacity:	400.4 cc / 24.4 cu-in	249 cc / 15.2 cu-in	649 cc / 39.65 cu /in	900 cc / 54.9 cu in	249 cc / 15.2 cu-in	471 cc / 28.7 cu-in
Bore x Stroke:	57 х 52.З mm	56.0 x 50.6 mm	83 x 60 mm	84.6 x 80 mm	68 x 68.8 mm	67.0 x 66.8 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Compression Ratio:	6.5:1	7.4:1	11.3:1	10.55:1	10.9:1	10.7:1
Induction:	3x Mikuni VM26SC, Ø 26 mm carburetors	2x 28mm Keihin PWK carburetor	2x Keihin 38mm throttle bodies	Multipoint sequential electronic fuel injection	Mikuni VM38SS carburetor	PGM-FI with 34mm throttle bodies
Ignition:	Battery and coil	Capacitor discharge	TCBI with digital advance	Digital	CDI	Computer-controlled digital transistorized with electronic advance
Starting:	Kick	Kick	Electric	Electric	Kick	Electric
Max Power:	38 hp / 28.3 kW @ 7000 rpm	55 hp / 41.0 kW @ 10500 rpm	53 kW / 72.1 hp @ 8,500 rpm	40.5 kW / 55 hp @ 5900 rpm	49.8 hp / 37.2 kW @ 8250 rpm	46.9 hp / 35 kW @ 8500 rpm
Max Torque:	3.9 kgf-m / 28.2 lb-ft @ 6500 rpm	3.75 kgf-m / 27.1 lb-ft @ 10500 rpm	66 Nm / 6.7 kgf·m @ 7000 rpm	80 Nm / 8.16 kgf-m / 59 ft-lb @ 3230 rpm	4.69 kgf-m / 44.5 Nm @ 7500 rpm	43 Nm / 31.7 lb-ft @ 6500 rpm
Transmission:	5 Speed	6 Speed	6 Speed	5-Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain	O-ring chain	Chain, X-ring	Chain	O-ring-sealed chain
Front Suspension:	Telescopic Hydraulic forks	41mm stanchions, air assisted telescopic fork with unstopped preload adjustment	41 mm hydraulic telescopic fork	Kayaba 41 mm fork	43mm inverted fork	41mm Telescopic fork
Rear Suspension:	Dual shocks, Swing arm	Bottom Link Uni-Trak with air adjustable gas shock, unstopped preload, and four-way rebound damping	Single offset laydown shock with adjustable spring preload,	Kayaba twin shocks with adjustable preload	Monocross, swinging arm	Pro-Link® single shock with nine-position spring preload adjustability
Front Brakes:	Single 250mm disc	2x discs 4 piston calipers	2x 300mm discs 2 piston calipers	Single 310mm disc, Nissin 2 piston floating caliper, ABS	Single 204mm disc	Single 320mm wave disc 2 piston calipers
Rear Brakes:	180mm Drum	Single disc 2 piston caliper	Single 220mm disc	Single 255mm disc, Nissin 2 piston floating caliper, ABS	Single 189mm disc	Single 240mm wave disc 1 piston calipers
Front Tyre:	3.25-18	100/70 VR17	120/70 -17	100/90-R18	80/100-21	120/70-17
Rear Tyre:	3.50-18	130/60 VR18	160/50 -17	150/70-R17	110/100-18	160/60-17
Wheelbase:	1364 mm / 53.7 in	1365 mm / 53.7 in	1410 mm / 55.5 in.	1415 mm / 55.7 in	1480 mm / 58.2 in	1400 mm / 55.5 in
Fuel Capacity:	16 Litres / 4.2 US gal	16 Litres / 4.2 US gal	15.5 Litres / 4.1 gal	12 L / 3.2 US gal / 2.7 Imp gal	13 Litres / 3.4 US gal	17.1 Litres / 4.4 US gal