BMW R 50 (1955-60) vs BMW R 65GS (1987)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | BMW | BMW |
| Model: | R 50 | R 65GS |
| Years: | 1955-60 | 1987 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 494 cc / 30.1 cu in. | 649.6 cc / 39.6 cu in. |
| Bore x Stroke: | 68 x 68 mm | 82 x 61.5 mm |
| Compression Ratio: | 6.8:1 | 8.4:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | 2 x Bing 1/24/45 - 1/24/46 carburetors | 2 x Bing constant depression carburetors |
| Ignition: | Magneto ignition | Bosch electronic |
| Max Power: | 19.4 kW / 26 hp @ 5800 rpm | 33 kW / 45 hp 33 kW @ 7250 rpm |
| Transmission: | 4 Speed | 5 Speed |
| Final Drive: | Shaft | Shaft |
| Front Suspension: | Telescopic fork | Telescopic hydraulic forks |
| Rear Suspension: | Long swing arm with suspension units and oil pressure shock absorbers | Monolever - swinging arm |
| Front Brakes: | ∅200mm Drum, duplex full hub | Single ∅260mm disc |
| Rear Brakes: | ∅200mm Drum, simplex full hub | Simple ∅200mm drum |
| Front Tyre: | 3.50 -18" | 3.00-21" |
| Rear Tyre: | 3.50 -18" | 4.00-18" |
| Wet-Weight: | 195 kg / 429 lbs | 198 kg / 437 lbs |
| Fuel Capacity: | 17 liters / 4.49 US gal | 19.5 L / 5.2 US gal |