Sunbeam Model 10 (1931) vs Derbi Senda SM 125 4T Baja (2006) vs KTM 990 Duke R (2025) vs KTM 300 EXC Hardenduro (2025)
Comparison technical specifications
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| Make: | Sunbeam | Derbi | KTM | KTM |
| Model: | Model 10 | Senda SM 125 4T Baja | 990 Duke R | 300 EXC Hardenduro |
| Years: | 1931 | 2006 | 2025 | 2025 |
| Engine: | Single cylinder, OHV | Four stroke, single cylinder. OHC | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder | Two stroke, Two stroke, single cylinder, with reed intake and exhaust control |
| Capacity: | 344 cc / 21.0 cu in | 124 cc / 7.6 cu-in | 947 cc / 57.8 cu-in | 293.2 cc / 17.9 cu-in |
| Bore x Stroke: | 74 80 mm | 56 x 49 mm | 92.5 x 70.4 | 72 x 72 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled with water/oil heat exchanger | Liquid cooled |
| Starting: | Kick | Electric | Electric | Electric |
| Transmission: | 3-Speed | 5 Speed | 6-Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain 520 X-ring, 16/43 | X-Ring 520 |
| Front Suspension: | Druid forks | 41mm Paoli forks | WP APEX, Compression High Speed (3 turns) Low Speed (30 Clicks), Rebound (30 Clicks), Preload (10 turns) | 48 mm WP XACT-USD |
| Rear Suspension: | Rigid, spring loaded saddle | Paoli monoshock | WP APEX - Monoshock | WP XPLOR Monoshock with PDS, Aluminium-reinforced polyamide |
| Front Brakes: | Drum, internal expanding | Single 300mm disc | 2x 300mm discs, radially mounted BREMBO STYLEMA 4 piston caliper | Single 260 mm disc, 2 piston caliper |
| Rear Brakes: | Drum, internal expanding | Single 220mm disc | Single 240 mm disc, single piston BREMBO caliper | Single 220 mm disc, 1 piston caliper |
| Fuel Capacity: | 9.1 L / 2.0 Imp gal / 2.4 US gal | 7.5 Litres / 2.0 US gal | 14.8 litres / 3.9 US gal | 9 Litres / 2.4 US gal |