Alder Motorcycles

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1955-1956 Adler M100



Air cooled single cylinder two-stroke 98cc, B/S 50x50mm
Compression ratio 5.7:1

Bing 1/17/8 carburettor
multi-plate dry clutch
single ignition coil

Power: 4.1 HP @ 5600 rpm

Lubrication: 25:1 petroil mixture.

Fuel consumption: 1.8 litres/100k

Gearbox: 3 speed

Max speed: 75 km/h

Weight: 72 kg

Tyres: 2.50 x 19" front and rear.

Fuel tank capacity: 7 litres

Rear suspension: plunger style with hydraulic spring dampers.

Front suspension: leading link with integral damping.

Electrical system: 6 volt 30 watt flywheel magneto and 6v battery (later models had dynamo)