Honda CB 450K0 (1967) vs Honda NX 500 Dominator (1991-93) vs Honda XLR 250R Baja (1987-89) vs Honda CB 250N (1978-81) vs Honda VT 250Z (1984-85) vs Honda XR 250RJ (1987)

Comparison technical specifications

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Make:	Honda	Honda	Honda	Honda	Honda	Honda
Model:	CB 450K0	NX 500 Dominator	XLR 250R Baja	CB 250N	VT 250Z	XR 250RJ
Years:	1967	1991-93	1987-89	1978-81	1984-85	1987
Engine:	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, single cylinder, SOHC, RFVC, 4 valve	Four stroke, parallel twin cylinder, OHC, 3 valve per cylinder	Four stroke, V-Twin, DOHC, 4 valves per cylinder	Four-stroke, single cylinder SOHC, 4 valve, RFVC (Radial Four Valve Combustion Chamber)
Capacity:	445 cc / 27.1 cu-in	498 cc / 30.8 cu-in	249 cc / 15.1 cu-in	249 cc / 15.2 cu-in	248 cc / 15.2 cu-in	249 cc / 15.1 cu-in
Bore x Stroke:	70 x 57.8 mm	92 x 75 mm	75 x 56.5 mm	62 x 41.4 mm	60 x 44.1 mm	73 x 59.5 mm
Cooling System:	Air cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled
Compression Ratio:	9.0:1	8.9:1	10.2:1	9.4:1	11.0:1	10.2:1
Induction:	2x 32mm Keihin carburetors	Single 40mm Keihin VE-type carburetor	PD79	29mm Mikuni carburetor	2x 32mm Keihin carburetors	30 mm piston valve carburator
Ignition:	Coil with auto-advance, twin contact breaker	CDI	Solid state CD	Capacitor discharger	Transistorized	CDI
Max Power:	45 hp / 32.8 kW @ 9000 rpm	NA	28 hp @ 8500 rpm	27 hp / 12.4 kW @ 10000 rpm	35 hp / 25.5 kW @ 11000 rpm	24.2 hp / 18 kW @ 8000 rpm
Max Torque:	37.4 Nm / 27.6 lb-ft @ 7000 rpm	NA	2.5 kgf-m @ 7500 rpm	20 Nm / 14.7 lb-ft @ 8500 rpm	21.5 Nm / 15.9 lb-ft @ 10000 rpm	2.27 kg-M / 22.26 Nm @ 7000 rpm
Transmission:	5 Speed	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	Chian	Chain 520 O-ring	Chain
Front Suspension:	Telescopic forks with two-way damping.	41mm leading-axle fork	Telescopic forks	Telescopic forks, 115mm wheel travel	Air assisted telescopic forks	41 mm Air assisted telescopic forks
Rear Suspension:	Swing arm, shock absorbers with adjustable preload	Pro-Link	Swinging arm	Dual shock with adjustable preload, 65mm wheel travel	Pro-link air assisted monoshock	Remote reservoir-equipped Pro-Link, adjustable compression and rebound
Front Brakes:	Drum	Single 256mm disc 2 piston caliper	Single disc	Single 273mm disc	Single disc	Single 240mm disc 2 piston calipers
Rear Brakes:	Drum	Single 220mm disc 1 piston caliper	Single disc	160 Drum	Drum	Drum
Front Tyre:	3.25-18	90/90–21	3.00 -21	3.60-19	100/90-16 54S	3.00-21 4 PR
Rear Tyre:	3.50-18	120/90–17	4.00 -18	4.10-18	120/80-17 61S	4.00-18 4 PR
Dry Weight:	187 kg / 412 lbs	167 kg / 368 lbs	125 kg	166 kg / 366 lbs	146 kg / 321.8 lbs	115.7 kg / 225 lbs
Fuel Capacity:	14 Litres / 3.7 US gal	16 Litres / 4.2 US gal	9.0 Litres	14 Litres / 3.7 US gal	14 Litres / 3.7 US gal	10.5 Litres / 2.77 US gal