
Adler M 250
Key specifications
Overview
### Introducing the 1952 Adler M 250: A Classic Custom Cruiser The 1952 Adler M 250 stands as a testament to post-war innovation in the motorcycle realm, perfectly blending nostalgic charm with practical functionality. Positioned within the custom-cruiser category, this motorcycle beckons enthusiasts who appreciate classic design and the thrill of open roads. With its unique styling and robust build, the M 250 captures the essence of mid-20th century motorcycling, appealing not only to collectors but also to anyone seeking a stylish ride for leisurely jaunts. ### Engine Performance and Riding Characteristics At the heart of the Adler M 250 lies a spirited twin-cylinder, two-stroke engine that displaces 250 cc, delivering an engaging 16 HP at 5,590 RPM. This power is managed via a smooth 4-speed gearbox, allowing riders to harness the motorcycle’s capability while enjoying a balanced ride. The air-cooled engine, paired with a carburettor fuel system, delivers a satisfying performance that truly shines during relaxed cruising and gentle acceleration. The M 250 maintains a respectable fuel consumption rate of 5.70 litres per 100 km, making it an economical option for those long, winding rides. Weighing in at just 135 kg, its power-to-weight ratio of 0.1185 HP/kg ensures that every twist of the throttle translates into an exhilarating experience. ### Key Features and Technology The Adler M 250 is not just about engine performance; it also boasts several features that enhance both comfort and safety. The semi double cradle frame provides a sturdy foundation while contributing to the bike's agile handling. Equipped with 180 mm expanding drum brakes at both the front and rear, the M 250 ensures reliable stopping power, even in challenging conditions. The classic kick starter adds a layer of authenticity to the experience, allowing riders to engage with their machine in a way that modern electric starters simply can’t replicate. With a fuel capacity of 12 litres, riders can confidently embark on longer journeys without the constant worry of refueling. ###
Pros
Cons
- Classic Aesthetic: The timeless design and vintage appeal make it a head-turner at any gathering.
- Economical Performance: With impressive fuel efficiency, it's an excellent choice for long rides without frequent stops.
- Agile Handling: The lightweight frame and responsive engine create an enjoyable riding experience.
- Limited Power Output: While adequate for city cruising, it may struggle on highways or during aggressive acceleration.
- Drum Brakes: Although effective, drum brakes may not provide the stopping power or reliability of modern disc brakes.
- Kick Starter Only: The absence of an electric starter can be a hassle for some riders, especially in colder weather.
Technical details
Source specification data
- Make
- Adler
- Model
- M 250
- Category
- Custom-cruiser
- Starter
- Kick
- Power
- 16.00 HP (11.7 kW)) @ 5590 RPM
- Clutch
- Wet multiplate
- Gearbox
- 4-speed
- Fuel System
- Carburettor
- Bore X Stroke
- 54.0 x 54.0 mm (2.1 x 2.1 inches)
- Displacement
- 250.00 ccm (15.26 cubic inches)
- Cooling System
- Air
- Engine Details
- Twin, two-stroke
- Fuel Consumption
- 5.70 litres/100 km (17.5 km/l or 41.27 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Transmission Type Final Drive
- Chain
- Dry Weight
- 135.0 kg (297.6 pounds)
- Fuel Capacity
- 12.00 litres (3.17 gallons)
- Power Weight Ratio
- 0.1185 HP/kg
- Seat
- Single spring-mounted
- Frame Type
- Semi double cradle
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Brakes Diameter
- 180 mm (7.1 inches)
- Front Brakes Diameter
- 180 mm (7.1 inches)