Honda CRF 250X (2015-16) vs Honda CM 400T (1981-82)
Comparison technical specifications
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| Make: | Honda | Honda |
| Model: | CRF 250X | CM 400T |
| Years: | 2015-16 | 1981-82 |
| Engine: | Four stroke single cylinder, 4 valves | Four stroke, parallel twin, OHC, 3 valve per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 395 cc / 24.1 cu-in |
| Bore x Stroke: | 78 x 52.2mm | 70.5 x 50.6 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 12.9:1 | 9.3:1 |
| Induction: | Keihin 37mm flat-slide with throttle position sensor (TPS) | 2x 32mm Keihin carb. |
| Ignition: | CD with electronic advance and lighting coil | Capacitor discharge electronic ignition |
| Starting: | Electric & kick | |
| Max Power: | 28.5 hp / 21 kW @ 9000 rpm | |
| Max Torque: | 24.2 Nm / 2.47 kg-m @ 8000 rpm | |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | #520 T-ring-sealed chain; 14T/53T | Chain |
| Front Suspension: | 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability | Telehydraulic forks |
| Rear Suspension: | Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns) | Swingarm fork with adjustable telehydraulic shocks |
| Front Brakes: | Single 240mm disc 2 piston caliper | Single disc |
| Rear Brakes: | Single 240mm disc 2 piston caliper | Drum |
| Front Tyre: | 80/100-21 | 3.50-18 |
| Rear Tyre: | 110/100-18 | 4.60-16 |
| Dry Weight: | 102 kg / 224.8 lbs | 173 kg / 338 lbs |
| Fuel Capacity: | 8.6 Litres / 2.27 gal | 9.5 Litres / 2.5 US gal |