1956-5* ADLER MBS250S Sprinter SPECIFICATIONS
       
Engine: air cooled 2 stroke twin
        247cc
        bore:54mm, stroke: 54mm
        loop scavenged, alloy pistons
        compression 6.6:1
        BING 2/22/128 twin slide carburetor
          with handlebar mounted choke lever.
        multi-plate clutch in oil bath
        twin ignition coils
        spark plugs 225 to 260 heat range
        electrode gap: 0.6 - 0.7mm
        breaker points, 0.3 - 0.4mm gap
        output 18 HP DIN @ 6200 rpm
Lubrication: 25:1 petroil mixture.
Fuel consumption: 74 mpg
Gearbox: 4 speed with neutral indicator
         oil capacity: 1.2 litres
         foot operated lever on LHS
         bottom=neutral, up = low-2nd-3rd-top.
         low gear = 2.80:1
         2nd gear = 1.714:1
         3rd gear = 1.11:1
         top gear = 0.809:1
         primary drive = 3.44:1
         final drive = 2.0:1 
Max speed: 126 kmph (79 mph)
Dimensions: height:     935 mm
            width:      620 mm
            length:    1975 mm
            Wheelbase: 1335 mm
            Weight:     170 kgs
Wheels: front: 1.85"x18" steel rim with 36 butted spokes and fully floating axle.
        rear : 2.25"x18" steel rim with 36 butted spokes and fully floating axle.
        Large diameter alloy hubs.
Brakes: 150mm diam x 30mm wide twin shoes.
Tyres:  front: 3.25x18,   15.5 psi
        rear:  3.50x18    20 psi
          "    (pillion): 27 psi
Maximum permissible total weight : 295 kgs
                                    
Frame: double tubular brazed.
Fuel tank: rubber mounted 15 litre with 3 litre reserve.
Rear suspension: swing arm with telescopic hydraulic shock absorbers.
Front suspension: anti-dive swinging leading links with
                  built in hydraulic shock absorbers.
Electrical: 6 volt 60 watt flywheel magneto, 6 volt 6 amp hour battery.
            35/35 watt dual beam headlight 160mm diam.
            5 watt stop light, 3 watt tail lamp
            1.5 watt parking headlamp, ignition warning,
            and neutral warning lamps
            0.5 watt speedo illumination lamp
            Electric horn.
Anti theft steering lock.
Speedometer with odometer and separate trip meter.
Lockable tool case.
Adjustable steering damper.
Enclosed rear chain 5/8" x 1/4" links with 10.1mm diam. rollers
Folding rear mudguard for easy wheel removal.
Paper element aircleaner.
Twin downswept 900mm x 80mm silencers with removable fluted centres
 for cleaning.