Adler ISDT (1957) vs BMW F 800GS (2017)
Comparison technical specifications
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| Make: | Adler | BMW |
| Model: | ISDT | F 800GS |
| Years: | 1957 | 2017 |
| Engine: | 2 cylinder, 2 stroke, flat-crowned pistons | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 247 cc / 15.1 cub in. | 798 cc / 47.7 cub. in. |
| Bore x Stroke: | 54 x 54 mm | 82 x 75.8 mm |
| Cooling: | Air cooled | Liquid cooled |
| Clutch: | Multi disc in oil bath | Multiplate-plate in oil bath |
| Starting: | Kick start | Electric |
| Ignition: | 6 V 45/60 W ignition set, battery and coil | Knock control and oxygen sensors. |
| Max Power: | 13.1 kW / 18 hp @ 5590 rpm | 62.5 kW / 85 hp @ 7500 rpm |
| Compression Ratio: | 1: 6.6 | 12.0:1 |
| Transmission: | 4 Speed gearbox housed in engine block, foot gearchange | 6 Speed |
| Final Drive: | Chain, fully enclosed | Chain |
| Frame: | Double tubular frame with sidecar adapter. | Tubular frame in steal partly carrying the engine |
| Front suspension: | Twin swinging leading link forks with shock absorber and steering damper | 43mm Marzocchi. Upside down forks |
| Rear suspension: | Plunger shock absorbers, adjustable for load and road conditions | Double strut swing arm aluminium coast in one piece |
| Dimensions: | Length 1968 mm / 77.5 in. Width 650 mm / 25.6 in. Height 935 mm / 36.8 in. | Length 2320 mm / 91.3 in Width 945 mm / 37.2 in (incl. mirrors) Height 1350 mm / 53.1 in (excl. mirrors) |
| Dry Weight: | 135 kg / 298 lbs | 177.8 kg / 392 lbs |
| Wet Weight: | 145 kg / 320 lbs | 207 kg / 456 lbs |
| Fuel Capacity: | 12 L / 3.2 US gal | 16 Litres / 4.2 US gal. |
| Top Speed: | 125 km/h / 77 mph | 199.0 km/h / 124 mph |