1949-54 ADLER M100 SPECIFICATIONS Engine: air cooled 2 stroke single 98cc bore:50mm, stroke: 50mm loop scavenged, alloy piston compression 5.7:1 1952-1956: Amal 16E1G single slide carburetor jet: 90 1957: Bing 1/17/8 single slide carburetor jet: 85 multi-plate dry clutch single ignition coil output 3.6 HP DIN @ 5000 rpm (1949-50) output 3.75 HP DIN @ 5200 rpm (1951-54) Lubrication: 25:1 petroil mixture. Fuel consumption: 1.8 l/100k (250 mpg) Gearbox: 3 speed Max speed: 70 kmph (44 mph) Dimensions: Weight: 55 kgs (1949-50) 70 kgs (1951-57) Tyres: 2.50x19, front: 15.5 psi rear: 20 psi Fuel tank: 7 litres Rear suspension: hand adjustable progressive telescopic with hydraulic shock absorbers. Front suspension: anti-dive swinging leading links with built in friction shock absorbers. Electrical: 6 volt 30 watt flywheel magneto(1949-52 and 1957), or dynamo (1953-56) 6 volt 6 amp hour battery.