Adler MB250

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Adler-mb-250-1956-1956-0.jpg
Adler MB 250
Manufacturer
Production 1956
Class Classic
Engine
air-cooled, two-stroke, twin cylinder
Bore / Stroke 53.3mm x 53.3mm
Compression ratio 5.75:1
Horsepower 15.96 HP (11.9 KW) @ 5600RPM
Transmission Gear box: 4-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: leading link fork
Rear: adjustable plunger dual shocks
Brakes Front: 180mm diameter
Rear: 180mm diameter
Front Tire 3.25 x 16
Rear Tire 3.25 x 16
Wheelbase 49.49 inches (1257 mm)
Length 77.52 inches (1969 mm)
Width 25.59 inches (650 mm)
Weight 135.0 kg (wet)
Related Adler MB250S Adler MB250RS, Yamaha YD-1
Manuals Service Manual


The Adler MB 250 was a air-cooled, two-stroke, twin cylinder Classic motorcycle produced by Adler in 1956. Claimed horsepower was 15.96 HP (11.9 KW) @ 5600 RPM. It was later copied by Yamaha in the Yamaha YD-1.

Engine[edit]

A 53.3mm bore x 53.3mm stroke result in a displacement of just 247.0 cubic centimeters.

Drive[edit]

The bike has a 4-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit]

It came with a 3.25 x 16 front tire and a 3.25 x 16 rear tire. Stopping was achieved via 180mm diameter in the front and a 180mm diameter in the rear. The front suspension was a leading link fork while the rear was equipped with a adjustable plunger dual shocks. The wheelbase was 49.49 inches (1257 mm) long.

1956 Adler MB 250[edit]

1956 Adler MB 250 1956 Adler MB 250

The 1955 Adler MB 250 is a middle-weight machine suitable for daily commuting inside the urban jungle. It boasts superior comfort levels (for it's time), thanks to a high-end suspension package, composed of a leading link fork, and twin plunger shocks. It also sports an air-cooled, two-stroke, 247cc, twin cylinder powerplant paired to a four-speed manual transmission, and can produce a claimed 16 horsepower at 5600 rpm.


Videos[edit]