Sunbeam Model 3 (1915-26) vs Sunbeam S8 500 (1949-56) vs Derbi Senda Terra 125 (2007-08)
Comparison technical specifications
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| Make: | Sunbeam | Sunbeam | Derbi |
| Model: | Model 3 | S8 500 | Senda Terra 125 |
| Years: | 1915-26 | 1949-56 | 2007-08 |
| Engine: | Single cylinder, side valve | Parallel twin, SOHC | Four stroke, single cylinder. OHC |
| Capacity: | 499 cc / 30.5 cu in | 487 cc / 29.7 cu in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 85 x 88 mm | 70 x 63.5 mm | 56 x 49 mm |
| Cooling System: | Air cooled | Air/Oil cooled | Air cooled |
| Starting: | Kick | Kick | Electric |
| Transmission: | 3-Speed | 4-Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Chain |
| Frame: | Single downtube cradle | Twin cradle, steel | Tubular steel frame |
| Front Suspension: | Druid forks | Telescopic, one way damped | 37mm Telescopic forks |
| Rear Suspension: | Rigid, spring loaded saddle | Plunger, spring loaded saddle | Paoli monoshock |
| Front Brakes: | Drum | Drum, leading shoe, 203 mm / 8" | Single 280mm disc |
| Rear Brakes: | Drum | Drum, leading shoe, 203 mm / 8" | Single 220mm disc |