Honda CRF 230M (2009-) vs Honda NT 400 Bros MKI (1987-89) vs Honda CM 250T (1986)
Comparison technical specifications
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| Make: | Honda | Honda | Honda |
| Model: | CRF 230M | NT 400 Bros MKI | CM 250T |
| Years: | 2009- | 1987-89 | 1986 |
| Engine: | Four stroke single cylinder, SOHC, 4 valves | Four stroke, 52°V-Twin cylinder, SOHC, 3 valve per cylinder | Four stroke, parallel twin, OHC, 2 valve per cylinder |
| Capacity: | 223 cc / 13.6 cu-in | 389 cc / 23.7 cu-in | 234 |
| Bore x Stroke: | 65.5 x 66.2mm | 64 x 62 mm | 53.0 x 53.0 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 9.0:1 | 10.0:1 | 9.4:1 |
| Induction: | Single 30 mm CV carb | 2x 31mm Keihin CV carburetors | |
| Ignition: | CD with electronic advance and lighting coil | Digital transistorized | |
| Max Power: | 18.6 hp / 13.7 kW @ 8000 rpm | 27.2kW / 37 PS @ 8500 rpm | 17 hp @ 7500 rpm |
| Max Torque: | 18.8 Nm / 1.92 kg-m @ 6000 rpm | 34.5 Nm / 3.5 kgf-m @ 6500 rpm | |
| Transmission: | 6 Speed | 5 Speed | 4 Speed |
| Final Drive: | #520 O-ring-sealed chain | Chain | Chain |
| Front Suspension: | 37mm leading-axle Showa® fork | 37mm telescopic fork | 31mm Forks, centre axle fork |
| Rear Suspension: | Pro-link Showa® single shock with adjustable spring preload | Swingarm | Dual shocks adjustable spring preload |
| Front Brakes: | Single 240mm disc 2 piston caliper | Single 320mm disc | Single disc |
| Rear Brakes: | Single 220mm disc | Single 208mm disc | Drum |
| Front Tyre: | 110/70-17 | 110/80-17 | 3.25-18 |
| Rear Tyre: | 130/70-17 | 150/70-17 | 110/90-16 |
| Fuel Capacity: | 8.6 Litres / 2.27 gal | 19.5 Litres / 5.1 US gal | 12.5 Litres |