WK Mii50: history, specs, pictures

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WK Mii50
Manufacturer
WK
Also called Mii 50
Production 2017
Engine
single cylinder, four-stroke
Bore / Stroke 39.0mm x 41.4mm
Horsepower 2.95 HP (2.2 KW) @ 7500RPM
Torque 2.36 ft/lbs (3.2 Nm) @ 6000RPM
Fuel System carburetor
Transmission Gear box: automatic

Final Drive: belt

Clutch: cvt
Suspension Front: hydraulic fork
Rear: dual adjustable oil shock
Brakes Front: single disc
Rear: expanding brake (drum brake)
Front Tire 120/70-12
Rear Tire 130/70-12
Wheelbase 51.57 inches (1310 mm)
Length 71.65 inches (1820 mm)
Width 25.79 inches (655 mm)
Height 41.14 inches (1045 mm)
Weight 176.37 pounds (80.0 Kg) (dry),
Fuel Capacity 1.19 Gallon (4.50 Liters)
Manuals Service Manual


The WK Mii50 was a single cylinder, four-stroke standard produced by WK in 2017. Max torque was 2.36 ft/lbs (3.2 Nm) @ 6000 RPM. Claimed horsepower was 2.95 HP (2.2 KW) @ 7500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 39.0mm bore x 41.4mm stroke result in a displacement of just 49.5 cubic centimeters.

Drive[edit | edit source]

The bike has a automatic transmission. Power was moderated via the cvt.

Chassis[edit | edit source]

It came with a 120/70-12 front tire and a 130/70-12 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydraulic fork while the rear was equipped with a dual adjustable oil shock. The Mii50 was fitted with a 1.19 Gallon (4.50 Liters) fuel tank. The bike weighed just 176.37 pounds (80.0 Kg). The wheelbase was 51.57 inches (1310 mm) long.