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ADLER. M250. 250cc. 2T. 1955.

283.28

Used

BRAND: ADLER. 250cc. 2T.

MODEL: M250.

DOCUMENTATION: NO. Not available.

REGISTRATION: B-110907

TECHNICAL SHEET: NOT. Not available.

STATE OF the CHASSIS: Good.

MOTOR STATUS: Original full. Lack review.

YEAR: 1955.

More details

 

Data sheet

State Restore old

More info

APPRECIATIONS: painting is in good condition, general wear and tear visible. Seat with original upholstery. Chrome lack of Polish. Trims in good condition, and original worn out parts and chopped. Engine visibly oxidized externally block cylinder. Parts of hardware oxidized.

You do not have documentation, we would have to do a recovery. (Custom quote with our manager).

EXAMINATION OF RESTORATION OR DAMAGE: Not significant. Good general condition deteriorated due to disuse, nothing serious.

Old restoration. (Budget custom in our workshops, apart).

ADLER
 
MB 250 1954
M 250 MBS 250
Manufacturer : Adlerwerke
production period 1954 to 1958
class motorcycle
engine data
Two-stroke engine of two cylinders.
Displacement (cm3) 247
Power (kW / hp ) 11.8 / 16 5600 / min to 13.2 / 18 at 6200 / min
Maximum speed (km / h) 116/126
transmission 4 courses
drive chain drive
Distance between axes (mm) 1225-1335
Seat height (cm) 78
Weight empty (kg) 145-170

The predecessor of the Adler M 250 was the Adler M 200, which is built in parallel until 1955. The latest models of the M-250 and the MB 250 were 1957 favorites and sprinters . In 1958, he finished the production of motorcycles of the Adlerwerke. In addition to the road, Adler built the 250er Eagle Sixdays for racing reliability, the special machine Eagle Motocross with initially 20 hp at 6400 / min and the bike runs RS 250 with initially 26 hp, the latter with air and Also with water-cooled engine. The RS was developed even more by mechanics and drivers racing after the end of the production Adlerwerke, most recently with an engine power of 36 hp at 8700 rpm.

Engine

The engine is a two-cylinder engine two-stroke air-cooled and mounted transversely, with an offset of 180 ° and a purge reverse . The compression ratio of 5.75: 1 MB 250 S was increased to 6.6: 1 to improve performance; The engine of 18 horsepower of the MB 250 S has modified the exhaust ports and the pistons forged from 16 grams lighter with only two piston rings instead of the 206-pistons 3-rings molded of 206 grams, and 16 horsepower. The mixing ratio of oil and petrol is 1:25.

The MB 250 is equipped with an electrical system from 6 volts. The spark plugs had a calorific value of 225 to 240, according to the classification of Bosch, and an electrode gap of 0.6 to 0.7 mm; The engine 18 HP requires 280 spark plugs.

The alternator, ignition system with two switches, capacitors and ignition coils are encapsulated. The rotor sits on the crankshaft. To the right is the voltage regulator. The horn is mounted on the left side in a door of sheet metal, just below the driver's seat.

Technical data

parameters MB 250 MB 250 S sprinter
engine Two-cylinder two-stroke
capacity 247 cc
Bore × stroke 54 × 54 mm
compression 1: 5.75 1: 6,6
Power to 1 / min 16 hp (11.8 kW) at 5600 18 CV (13,2 kW) at 6200
cooling Air cooling (air flow)
Electrical system 6V, 60/90 W
transmission 4-speed with foot pedal.
framework Frame double tube, suitable for the car.
Front suspension Rocker arm of short arm, cushioned hydraulically
Rear suspension Geradeweg,
dampened hydraulically
Rocker arm shaft with struts,
dampened hydraulically
distance between axes 1260 mm 1335 mm
tire 3,25-16 3,25-18
brakes drum brakes
Curb weight (without driver) 145 kg 170 kg
Total weight allowed 295 kg 320 kg
tank capacity k. A. 15 l
the maximum speed 116 km / h 126 km / h

The sizes of the tires are front / rear in the model Sixdays 3.00-19 and 3.50-18, the model of motocross 2.75-19 and 3.00-19.

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ADLER. M250. 250cc. 2T. 1955.

ADLER. M250. 250cc. 2T. 1955.

BRAND: ADLER. 250cc. 2T.

MODEL: M250.

DOCUMENTATION: NO. Not available.

REGISTRATION: B-110907

TECHNICAL SHEET: NOT. Not available.

STATE OF the CHASSIS: Good.

MOTOR STATUS: Original full. Lack review.

YEAR: 1955.

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