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BMW Isetta

Date of manufacture 1955 – 1962
Bodywork type(s) 2 Seater “Motocoupe”
Engine Type 1 cylinder four-stroke, air cooled
Capacity 245cc
Bore x stroke 68mm x 68mm
Power 12bhp @ 5800rpm
Compression 6.8:1
Carburettors 1, Bing 24 mm side draught
Valve design Overhead
Valve gear Camshaft in block. Push rods, rockers, tappets and springs
Electrics 12 volt, “Dynastart” system
Transmission Clutch Dry single disc
Gearbox ratios
1st 4.35:1
2nd 2.22:1
3rd 1.52:1
4th 1.17:1
Axle ratio 2.31
Synchromesh None
Chassis Frame Tubular & box section
Suspension Front: Leading trailing arms, coil springs and hydraulic dampers
Rear: Quarter elliptic leaf springs, single hydraulic damper
Steering Worm & nut
Brakes Front & rear: hydraulic
Handbrake: cable on rear wheels
Dimensions Wheelbase 1500mm
Track front/rear 1200mm/520mm(with twin rear wheels)
Length/width 2285mm, later 2355mm x 1380mm
Tyres 4.80 x 10
General Fuel capacity 13 litres
Max speed 53 mph
Number produced 74,312
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