Yamaha DT 400 (1978-79) vs Royal Enfield Bear 650 (2025)
Comparison technical specifications
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| Make: | Yamaha | Royal Enfield |
| Model: | DT 400 | Bear 650 |
| Years: | 1978-79 | 2025 |
| Engine: | Two stroke, single cylinder, read valve | Four stroke, Parallel Twin, SOHC |
| Capacity: | 397 cc / 24.2 cu-in | 648 cc / 39.5 cu-in |
| Bore x Stroke: | 85 Ñ… 70 mm | 78 x 67.8 mm |
| Cooling System: | Air cooled | Air/oil-cooled |
| Compression Ratio: | 6.4:1 | 9.5:1 |
| Induction: | Single 28mm Mikuni carburetor | Electronic Fuel Injection |
| Ignition: | CDI | Digital electronic ignition |
| Starting: | Kick | Electric |
| Max Power: | 23 hp / 17.1 kW @ 5500 rpm | 46.4 hp / 34.6 kW @ 7150 rpm |
| Max Torque: | 3.8 kg-m / 27.5 lb-ft @ 5000 rpm | 56.5.3 Nm / 41.6 lb-ft @ 5150 rpm |
| Transmission: | 5 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | 43mm USD telescopic fork |
| Rear Suspension: | Swinging arm fork | Twin Shocks, preload adjustable |
| Front Brakes: | Drum | Single 320mm disc |
| Rear Brakes: | Drum | Single 270mm disc |
| Front Tyre: | 3.00-21 | 100/90 - 19 M/C 57H |
| Rear Tyre: | 4.00-18 | 140/80 - R17 M/C 69H |
| Wheelbase: | 1410 mm / 55.5 in | 1460mm / 57.5 in |
| Wet Weight: | 141 kg / 310.9 lbs | 216 kg / 475 lbs |
| Fuel Capacity: | 9 Litres / 2.3 US gal | 13.6 Litres / 3.6 US gal |