1955-57 ADLER MR100 Roller Junior SPECIFICATIONS
       
Engine: air cooled 2 stroke single
        98cc
        bore:50mm, stroke: 50mm
        loop scavenged, alloy piston
        compression 5.7:1
        output 4.0 HP DIN @ 5600 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: 65 kgs 
Tyres:  2.50x15, front:    15.5 psi
                  rear:    20 psi
Fuel tank:  7 litres
Rear suspension:  
                
Front suspension: swinging leading arm with
                  hydraulic skock absorbers.
Electrical: 6 volt 30 watt flywheel magneto,