Make Model: Adler MB 250S
Engine: 2 cylinder, 2 stroke, flat-crowned pistons
Capacity: 247 cc / 15.1 cub in.
Bore x Stroke: 54 x 54 mm
Cooling: Air cooled
Lubrication: Petrol oil mix 25:1
Clutch: Multi plate
Starting: Kick start
Battery: 6V, 6Ah
Ignition: 6 V 45/60 W ignition set, battery and coil
Carburetor: Single Bing carburetor
Exhaust System: Twin, steel, chrome
Max Power: 13.1 kW / 18 hp @ 5590 rpm
Compression Ratio: 1: 6.6
Clutch: Multi disc in oil bath
Transmission: 4 Speed gearbox housed in engine block, foot gearchange
Final Drive: Chain, fully enclosed
Frame: Double tubular frame with sidecar adapter.
Front suspension: Twin swinging leading link forks with shock absorber and steering damper
Rear suspension: Plunger shock absorbers, adjustable for load and road conditions
Tyres (front and back): 3.25 x 16 in.
Brakes (front and back): Drums, 180 mm diameter