autoevolution

Segment: Clasic

The 1955 Adler MB 250S sports an air-cooled, two-stroke, 247cc, twin cylinder engine paired to a four-speed manual transmission, and can produce a claimed 18 horsepower at 5600 rpm.

It boasts standard features such as laced wheels, a high-mounted exhaust, a single saddle, dual shocks as a rear suspension, a leading link fork in the front, a drum braking system, and a large headlamp.

Adler MB 250S 1955 - 1956 3 Photos
Adler MB 250S (1955 - 1956)Adler MB 250S (1955 - 1956)Adler MB 250S (1955 - 1956)
Adler MB 250S 1955 - 1956

Adler MB 250S 247

engine specs
Type
air-cooled, two-stroke, twin cylinder
Displacement
247 cm3
Bore X Stroke
2.1x2.1 in OR 53 mm
Compression Ratio
5.75:1
Horsepower
18/5600 KW(hp)/RPM
Torque
0/- lb-ft/RPM OR 0 Nm/RPM
Fuel System
Bing carburetor
transmission specs
Gearbox
4-speed, manual
Clutch
wet multi-disc, manual
Primary Drive
-
Final Drive
chain
chassis specs
Frame
steel
Front Suspension
leading link fork
Rear Suspension
adjustable plunger dual shocks
Front Brake
180mm diameter
Rear Brake
180mm diameter
dimension specs
Overall Length
77.5 in OR 1969 mm
Overall Width
25.6 in OR 650 mm
Seat Height
-
Weelbase
49.5 in OR 1257 mm
Ground Clearance
-
Weight
298 lbs OR 135 kg
Fuel Capacity
3.2 gallons OR 12.1 L
tyres specs
Front
3.25 x 16
Rear
3.25 x 16
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