Balkan MK50: history, specs, pictures

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Balkan MK50
Manufacturer
Also called MK50 2JU25
Production 1970
Engine
single cylinder, two-stroke
Bore / Stroke 40.0mm x 39.0mm
Top Speed 40 mph (65 km/h)
Horsepower 3.22 HP (2.4 KW) @ 6500RPM
Fuel System carburetor
Transmission Gear box: 3-speed
Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Length 73.23 inches (1860 mm)
Width 25.79 inches (655 mm)
Height 39.96 inches (1015 mm)
Weight 134.48 pounds (61.0 Kg) (dry), 70.0 kg (wet)
Fuel Consumption 2.20 liters/100 km (45.5 km/l or 106.92 mpg)
Manuals Service Manual


The Balkan MK50 2JU25 was a single cylinder, two-stroke standard produced by Balkan in 1970. It could reach a top speed of 40 mph (65 km/h). Claimed horsepower was 3.22 HP (2.4 KW) @ 6500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 40.0mm bore x 39.0mm stroke result in a displacement of just 49.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 3-speed transmission.

Chassis[edit | edit source]

Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The bike weighed just 134.48 pounds (61.0 Kg).