BMW R 80/7 (1980-84) vs BMW R 32 (1923-26)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | BMW | BMW |
| Model: | R 80/7 | R 32 |
| Years: | 1980-84 | 1923-26 |
| 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: | 797.5 cc / 48.7 cu in. | 494 cc / 30.1 cu in. |
| Bore x Stroke: | 84.8 x 70.6 mm | 68 x 68 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 9.2:1 | 5.0:1 |
| Induction: | 2 x Bing constant depression carburetors | 1 x Special ∅22 mm carburetor |
| Ignition: | Battery ignition | Bosch high voltage magneto ignition |
| Starting: | Electric | Kick |
| Max Power: | 55 hp / 40 KW @ 6500 rpm | 6.3 kW / 8.5 hp @ 3200 rpm |
| Clutch: | Dry single plate, with diaphragm spring | Single plate, dry |
| Transmission: | 5 Speed | 3 Speed |
| Final Drive: | Shaft | Shaft |
| Gear Ratio: | 1st 3.38 / 2nd 2.43 / 3rd 1.93 / 4th 1.67 / 5th 1.50 | 1st 2.27 / 2nd 1.50 / 3rd 1.08:1 |
| Front Suspension: | Telescopic hydraulic forks. | Twin cantilever spring |
| Rear Suspension: | Long swinging arm with adjustable strut. | Rigid, spring loaded saddle |
| Front Brakes: | 2 x ∅260mm discs, 1 piston caliper | ∅150mm Drum |
| Rear Brakes: | Single ∅200mm Drum | Block brake |
| Front Tyre: | 3.25 - H19 | 26 x 3.5 low pressure or 26 x 3.5 high pressure |
| Rear Tyre: | 4.00 - H18 | 26 x 3.5 low pressure or 26 x 3.5 high pressure |
| Wet Weight: | 215 Kg / 473 lbs | 122 kg / 268 lbs |
| Fuel Capacity: | 24 Litres / 6.3 gal | 14 liters / 3.6 US gal |