1949-56 ADLER M125 SPECIFICATIONS
       
Engine: air cooled 2 stroke single
        123cc
        bore:54mm, stroke: 54mm
        loop scavenged, alloy piston
        compression 5.4:1
        Amal 19D1K single slide carburetor
             main jet = 90
        multi-plate dry clutch
        single ignition coil
        output 5.6 HP DIN @ 5250 rpm (early)
        output 6.8 HP DIN @ 5750 rpm (late)
Lubrication: 25:1 petroil mixture.
Fuel consumption: 2.15 l/100k (209 mpg)
Gearbox: 4 speed 
Max speed: 88 kmph (55 mph)
Dimensions:
            Weight:     98 kgs
Tyres:  2.75x19, front:    15.5 psi
                 rear:     20 psi
Rear suspension: plunger 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.