1947-48 ADLER M60 SPECIFICATIONS Engine: air cooled 2 stroke single 60cc bore:42mm, stroke: 43mm loop scavenged, alloy piston compression 5.7:1 output 2.2 HP DIN @ 5000 rpm Lubrication: 25:1 petroil mixture. Fuel consumption: 1.8 l/100k (250 mpg) Gearbox: 3 speed Max speed: 60 kmph (37.5 mph) Dimensions: Weight: 50 kgs Tyres: 2.50x19, front: 15.5 psi rear: 20 psi Fuel tank: 7 litres Rear suspension: Front suspension: anti-dive swinging leading links with built in friction shock absorbers. Electrical: 6 volt 30 watt flywheel magneto,