1938 BMW R66
| 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 | Air-cooled, Four-stroke two cylinder flat twin 69.8 x 78.0 mm (2.75 x 3.07 inches) 597 cc 2 valves per cylinder; OHV 6.8:1 30 hp @ 5300 rpm 2 x carburettor type Amal 6/420 S 4-speed; Foot switching (+ auxiliary manual lever), manual gear lever on request Cardan Dry single plate Battery ignition Kick starter Forced feed lubrication Bosch W 225 T1 Bosch RD 50/6 2800 R 17 |
| 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) | Twin loop steel tubular frame 2130 mm (83.85 inches) 2130 x 815 x 960 mm (83.85 x 32.08 x 37.79 in) 815 mm (32.08 inches) 960 mm (37.79 inches) 1400 mm (55.11 inches) 807 mm (31.80 inches) 140 mm (5.51 inches) 187 kg 14 litres Telescopic fork Telescopic suspension 3.5 x R19 3.5 x R19 Drum brake 200 mm/7.87 in diameter Drum brake 200 mm/7.87 in diameter |
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