Alder Motorcycles

Today in Motorcycle History

Adler 250cc Motocross 1956-1957


twin cylinder air cooled two-stroke 247cc, B/S 54x54mm

Power: 20 HP

Lubrication: 25:1 petroil mixture.

Gearbox: 4 speed

Max speed: depends on gearing

Weight: 123 kg

Tyres: 2.75 x 19 front, 3.00 x 19 rear

Fuel tank: 7 litres

Rear suspension: swing arm with telescopic hydraulic spring dampers.

Front suspension: Earles style with telescopic hydraulic dampers.