1951-53 ADLER M150 SPECIFICATIONS Engine: air cooled 2 stroke single 147cc bore:59mm, stroke: 54mm loop scavenged, alloy piston compression 5.4:1 Amal 20E1B single slide carburetor main jet: 125 multi-plate dry clutch (1952) multi-plate clutch in oil bath (1953-56) single ignition coil output 6.8 HP DIN @ 5250 rpm Lubrication: 25:1 petroil mixture. Fuel consumption: 2.34 l/100k @ 64 kmph (120 mpg) 1.9 l/100k @ 50 kmph (148 mpg) Gearbox: 4 speed Max speed: 95 kmph (59 mph) Dimensions: Weight: 120 kgs Tyres: 3.25x16, front: 15.5 psi rear: 20 psi 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. 6 volt 6 amp hour battery.