Yamaha DT 400 (1978-79) vs Royal Enfield Bear 650 (2025) vs KTM 300 EXC Enduro (2001-02)
Comparison technical specifications
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| Make: | Yamaha | Royal Enfield | KTM |
| Model: | DT 400 | Bear 650 | 300 EXC Enduro |
| Years: | 1978-79 | 2025 | 2001-02 |
| Engine: | Two stroke, single cylinder, read valve | Four stroke, Parallel Twin, SOHC | Two stroke, single cylinder |
| Capacity: | 397 cc / 24.2 cu-in | 648 cc / 39.5 cu-in | 297 cc / 18.1 cu in |
| Bore x Stroke: | 85 Ñ… 70 mm | 78 x 67.8 mm | 72 x 72 mm |
| Cooling System: | Air cooled | Air/oil-cooled | Liquid cooled |
| Compression Ratio: | 6.4:1 | 9.5:1 | 11.0:1 |
| Induction: | Single 28mm Mikuni carburetor | Electronic Fuel Injection | Keihin PWK36 S AG carburetor |
| Ignition: | CDI | Digital electronic ignition | Kokusan digital 2K-3 |
| Starting: | Kick | Electric | Kick |
| Transmission: | 5 Speed | 6 Speed, constant mesh | 5 Speed |
| Final Drive: | Chain | Chain | Chain, Regina O-ring |
| Front Suspension: | Telescopic forks | 43mm USD telescopic fork | WP 48 mm upside down fork and shock |
| Rear Suspension: | Swinging arm fork | Twin Shocks, preload adjustable | Fully adjustable WP-PDS mono-shock |
| Front Brakes: | Drum | Single 320mm disc | Single260 mm disc, 2 piston caliper |
| Rear Brakes: | Drum | Single 270mm disc | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 3.00-21 | 100/90 - 19 M/C 57H | 90/90 - 21, Michelin MP11 |
| Rear Tyre: | 4.00-18 | 140/80 - R17 M/C 69H | 140/80 - 18 |
| Wheelbase: | 1410 mm / 55.5 in | 1460mm / 57.5 in | 1476 mm / 58.1 in |
| Fuel Capacity: | 9 Litres / 2.3 US gal | 13.6 Litres / 3.6 US gal | 8.5 L / 2.2 US gal / 1.9 Imp gal |