Adler MB250
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| 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 |
| 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
A 53.3mm bore x 53.3mm stroke result in a displacement of just 247.0 cubic centimeters.
Drive
The bike has a 4-speed, manual transmission. Power was moderated via the wet multi-disc, manual.
Chassis
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
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.