1939 | O.E.C. 250 Duplex
Rare - British - Pre-war
$27,489
1939 | O.E.C. 250 Duplex
Rare - British - Pre-war
$27,489
1939 | O.E.C. 250 Duplex
Rare - British - Pre-war
$27,489
Private seller
Description
Description
OEC 250cc
Year of manufacture: 1939
Registration number: PL-35-89
Registered in the Netherlands since: 21-01-1954 (presumably previously had a provincial registration)
Owned by the current (3rd) owner since 19-08-1970
Produced from 1934 to 1939
Technical specifications:
Frame: Duplex steering with front and rear suspension
Engine: Matchless 4-stroke overhead-valve
Displacement: 250 cc
Power: 12 hp at 5500 rpm
Ignition: Coil and contact points
Carburetion: Amal Pré Monobloc carburettor type 5/001
Gearbox: Burman & Sons, 3-speed
Drive: Dry plate clutch and chain drive to the rear wheel
Electrical system: Dynamo with built-in regulator and ignition in conjunction with a 6-volt battery and charging ammeter in the headlamp
Lighting: Headlamp with sidelamp, dipped beam and main beam. Tail light with built-in brake light.
Brakes: Drum brakes, front hand-operated, rear foot brake via cable
**Particulars **
Motorcycle is in the configuration created and made roadworthy by the then owner in 1953.
In 1971, this OEC took part in the Elefanten Treffen at the Nürburgring in Germany.
In 1994, the cylinder was rebored, the piston replaced and the valves ground. Since then, the motorcycle has been ridden with some regularity, but has not covered many kilometres. Also in 1994, the dynamo was overhauled and the built-in mechanical regulator was replaced with an electronic regulator.
In 2025, the throttle slide in the carburettor was replaced with an oversized one, and the jet needle, jet needle holder and float needle were renewed. The engine is in rideable condition.
This description has been automatically translated. Original language: Dutch.
Condition & Registration
Condition & Registration
- Condition category
- Restored
- Registered
- Ready to drive
- Accident free
Inspection Report
Not available
Inspection Report
Not available
Have this vehicle inspected by experts!
- Transparency over 128 inspection points
- Condition grades for each component
- Paint thickness measurement
Technical Details
Technical Details
Vehicle data
- Make
- O.E.C.
- Model name
- 250 Duplex
- Type
- Touring Bike
- First registration date
- 01/1954
- Year of manufacture
- 1939
- Mileage (read)
- Chassis number
- Not provided
- Engine number
- Not provided
- Gearbox number
- Not provided
- Number of owners
- Not provided
- Café Racer
- No
Technical details
- Engine Type
- 4 stroke
- Power (kW/hp)
- 9/12
- Cubic capacity (cm³)
- 250
- Cylinders
- 1
- Starter
- Kickstarter
- Cooling
- Air
- Gearbox
- Manual
- Gearshift
- Pedal Control Right
- Gears
- Not provided
- Transmission
- Chain
- Front brakes
- Not provided
- Rear brakes
- Not provided
- Fuel type
- Petrol
- Curb weight (kg)
- Not provided
Individual Configuration
Individual Configuration
- Exterior color
- Blue
Location
Loading map
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