BMW R 26 (1956-60) vs BMW R 1150GS Adventure (2002)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 26 | R 1150GS Adventure |
| Years: | 1956-60 | 2002 |
| Engine: | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder |
| Capacity: | 247 cc / 15.1 cu in. | 1130 cc / 69 cu in |
| Bore x Stroke: | 68 x 68 mm | 101 x 70.5 mm |
| Compression Ratio: | 7.5:1 | 10.3:1 |
| Cooling System: | Air cooled | Air/Oil cooled |
| Induction: | 1x Bing carburetor type 1/26/46 | Bosch Motronic MA 2.4 Fuel injection |
| Ignition: | Battery ignition | Electronic ignition MA 2.2 Bosch Motronic |
| Starting: | Kick | Electric |
| Clutch: | Single plate, dry | Single disc dry clutch, hydraulically operated |
| Max Power: | 11.2 kW / 15 hp @ 6400 rpm | 62.5 kW / 85 hp @ 6750 rpm (rear tyre 58.9 kW / 79 hp @ 6750 rpm) |
| Transmission: | 4 Speed | 6 Speed |
| Final Drive: | Shaft | Shaft |
| Frame: | Steel twin loop frame, welded | Three section composite frame consisting of front & rear section, load bearing engine |
| Front Suspension: | Telescopic fork | Light. Telelever with central spring strut, progressive coil spring, twin-tube gas-filled shock, |
| Rear Suspension: | Long swing arm with suspension units and oil pressure dampers | Patented BMW Paralever swing arm & shaft drive, single shock with variable rebound and damping adjustments |
| Front Brakes: | ∅160mm Drum | 2 x 304mm discs, 4 piston calipers |
| Rear Brakes: | ∅160mm Drum | Single 276mm disc, 2 piston caliper |
| Front Tyre: | 3.25 x 18" | 110/80 R19 |
| Rear Tyre: | 3.25 x 18" | 150/70 R17 |
| Wet-Weight: | 158 kg / 348 lb | 258 kg / 570 lbs |
| Fuel Capacity: | 15 liters / US 3.9 gal | 30 Litres / 7.9 US US gal |