Adler MB250RS

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'Adler MB250RS'
Also called MB 250 RS
Production 1954 - 1956
Class [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]]
twin, two-stroke
Bore / Stroke 54.0mm x 54.0mm
Compression ratio 5.75:1
Top Speed 105 mph (169 km/h)
Horsepower 26.02 HP (19.4 KW) @ 7500RPM
Ignition coil
Transmission Gear box: 4-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: leading link fork
Rear: dual shocks
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.25-16
Rear Tire 3.25-16
Wheelbase 49.49 inches (1257 mm)
Weight 98.0 kg (wet)
Fuel Capacity 3.17 Gallon (12.00 Liters)
Related Adler MB250S Adler MB250
Manuals Service Manual

The Adler MB250RS was a twin, two-stroke Classic motorcycle produced by Adler between 1954 and 1956. It could reach a top speed of 105 mph (169 km/h). Claimed horsepower was 26.02 HP (19.4 KW) @ 7500 RPM.


The engine was a air cooled twin, two-stroke. A 54.0mm bore x 54.0mm stroke result in a displacement of just 247.0 cubic centimeters.


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


It came with a 3.25-16 front tire and a 3.25-16 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a leading link fork while the rear was equiped with a dual shocks. The MB250RS was fitted with a 3.17 Gallon (12.00 Liters) fuel tank. The wheelbase was 49.49 inches (1257 mm) long.

1954 Adler MB 250 RS

1954 Adler MB 250 RS 1954 Adler MB 250 RS 1954 Adler MB 250 RS

The 1953 Adler MB 250 RS has, at its heart, an air-cooled, two-stroke, 247cc, twin cylinder powerhouse paired to a four-speed manual transmission, and can produce a claimed 26 horsepower at 7500 rpm. It comes standard with laced wheels, a single seat, a leading link front fork, dual rear shocks as a rear suspension, and a 12-liter (3.2-gallon) fuel tank.