Honda CB 450K0 (1967) vs Honda NX 500 Dominator (1991-93) vs Honda XLR 250R Baja (1987-89) vs Honda CB 250N (1978-81)
Comparison technical specifications
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| Make: | Honda | Honda | Honda | Honda |
| Model: | CB 450K0 | NX 500 Dominator | XLR 250R Baja | CB 250N |
| Years: | 1967 | 1991-93 | 1987-89 | 1978-81 |
| 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 |
| 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 |
| Bore x Stroke: | 70 x 57.8 mm | 92 x 75 mm | 75 x 56.5 mm | 62 x 41.4 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.0:1 | 8.9:1 | 10.2:1 | 9.4:1 |
| Induction: | 2x 32mm Keihin carburetors | Single 40mm Keihin VE-type carburetor | PD79 | 29mm Mikuni carburetor |
| Ignition: | Coil with auto-advance, twin contact breaker | CDI | Solid state CD | Capacitor discharger |
| Max Power: | 45 hp / 32.8 kW @ 9000 rpm | NA | 28 hp @ 8500 rpm | 27 hp / 12.4 kW @ 10000 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 |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Chian |
| Front Suspension: | Telescopic forks with two-way damping. | 41mm leading-axle fork | Telescopic forks | Telescopic forks, 115mm wheel travel |
| Rear Suspension: | Swing arm, shock absorbers with adjustable preload | Pro-Link | Swinging arm | Dual shock with adjustable preload, 65mm wheel travel |
| Front Brakes: | Drum | Single 256mm disc 2 piston caliper | Single disc | Single 273mm disc |
| Rear Brakes: | Drum | Single 220mm disc 1 piston caliper | Single disc | 160 Drum |
| Front Tyre: | 3.25-18 | 90/90–21 | 3.00 -21 | 3.60-19 |
| Rear Tyre: | 3.50-18 | 120/90–17 | 4.00 -18 | 4.10-18 |
| Dry Weight: | 187 kg / 412 lbs | 167 kg / 368 lbs | 125 kg | 166 kg / 366 lbs |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 16 Litres / 4.2 US gal | 9.0 Litres | 14 Litres / 3.7 US gal |