1923-1926 BMW-R32 - BMW Classic Motorcyle1926 BMW-R32 specification :
Start of Production | 1923 | |
| End of Production | 1926 | |
| Numbers Produced | 3,090 | |
| Price | 2,200 RM | |
| Engine |
| |
| Internal Designation | M 2 B 33 | |
| Motor Type | Four-stroke two cylinder flat twin | |
| Bore x Stroke | 68 x 68 mm (2.67 x 2.67 in) | |
| Displacement | 494 cc | |
| Max Power | 8.5 hp at 3,200 rpm | |
| Compression Ratio | 5.0 : 1 | |
| Valves | SV | |
| Carburation System | 1 carburettor, Type BMW Spezial 22 mm | |
| Engine Lubricating System | Forced feed lubrication | |
| Oil Pump | Gear pump | |
| | | |
| Power Transmission |
| |
| Clutch | Single plate, dry | |
| Number of Gears | 3 | |
| Shifting | Manual | |
| Gearbox Ratios | 2.27 / 1.50 / 1.08 | |
| Rear Wheel Ratio | 1 : 4.41 (1 : 5.36 with sidecar) | |
| Bevel/Crownwheel | 17 / 75 teeth (14 / 75 with sidecar) | |
| | | |
| Electrical System |
| |
| Ignition System | Bosch magneto ignition | |
| Generator | Magneto generator on request | |
| Spark Plugs | Bosch W 145 | |
| | | |
| Chassis |
| |
| Designation | R32 | |
| Frame | Twin loop tubular frame | |
| Front wheel suspension | Twin cantilever spring | |
| Rear wheel suspension | Rigid | |
| Wheel rims | 26 x 2.5 | |
| Tyres, Front | 26 x 3 | |
| Tyres, Rear | 26 x 3 | |
| Brakes, Front | Drum brake 150 mm / 5.9 in diameter (not for 1st Series) | |
| Brakes, Rear | Block brake | |
| | | |
| Dimensions/Weights |
| |
| Length x Width x Height | 2100 x 800 x 950 mm (82.67 x 31.49 x 37.40 in) | |
| Wheel Base | 1380 mm / 54.33 in | |
| Fuel Tank Capacity | 14 litres / 3.07 gal / 3.69 gal US | |
| Unladen Weight with Full Tank | 122 Kg / 268 lb (184 Kg / 405 lb with original sidecar) | |
| Fuel Consumption | 3 litres 100 Km approx / 94 mpg / 78 mpg US | |
| Oil Consumption | 2.5 litres per 1,000 Km approx. | |
| Top Speed | 95 -100 Kph / 59 - 62 mph | |
