Adler ISDT

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Make Model.	Adler ISDT
Year	1957
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
Dimensions	Length  1968 mm / 77.5 in. Width      650 mm / 25.6 in. Height     935 mm / 36.8 in.
Wheelbase	1257 mm / 49.5 in.
Dry Weight	135 kg / 298 lbs
Wet Weight	145 kg / 320 lbs
Fuel Capacity	12 L / 3.2 US gal
Reserve	3.8 L / 1 US gal
Average Consumption	3.6 l/100 km / 27.8 km/l / 65.3 US mpg
Top Speed	125 km/h / 77 mph
Colours	Black, Red

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The only difference from the MB250S is the positioning of the high level exhaust.