1941 BMW R75 Sidecar Unit
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Generator Gear ratios | Four-stroke two cylinder flat twin 78.0 x 78.0 mm (3.07 x 3.07 inches) 745 cc 5.8:1 26 hp @ 4000 rpm 2 x carburettor type Graetzin Sa 24/1 and Sa 24/2 "Road": 4 + 1 reverse gear, "off-road": 3 + 1 reverse gear Cardan Dry single plate Magneto ignition Forced feed lubrication Bosch W 175 T1 Noris DS 6/50 |
| Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Multi part, bolted steel tubular frame 2400 mm (94.48 inches) 1730 mm (68.11 inches) 1000 mm (39.37 inches) 1444 mm (56.85 inches) 810 mm (31.90 inches) 165 mm (56.49 inches) 400 kg 24 litres Telescopic fork Rigid, plate springs on the boat, tube springs on sidecar wheel 4.5 x R16 (off road block profile) 4.5 x R16 (off road block profile) Drum brake 250 mm / 9.84 in diameter, mech Drum brake 250 mm / 9.84 in diameter, mech |
Image: http://www.bmbikes.co.uk/specpages/R75_sidecar_unit.htm