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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