WK ZS125: history, specs, pictures

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WK ZS125
Manufacturer
WK
Also called ZS 125
Production 2017
Engine
single cylinder, four-stroke
Bore / Stroke 56.5mm x 49.5mm
Horsepower 12.07 HP (9.0 KW) @ 9500RPM
Torque 8.11 ft/lbs (11.0 Nm) @ 8000RPM
Fuel System carburetor
Transmission Gear box: 5-speed
Final Drive: chain
Suspension Front: upside down telescopic
Rear: single shock, air, adjustable.
Brakes Front: double disc
Rear: single disc
Front Tire 110/70-17
Rear Tire 140/70-17
Length 87.99 inches (2235 mm)
Width 33.07 inches (840 mm)
Height 44.96 inches (1142 mm)
Weight 352.74 pounds (160.0 Kg) (dry),
Fuel Capacity 3.17 Gallon (12.00 Liters)
Manuals Service Manual


The WK ZS125 was a single cylinder, four-stroke standard produced by WK in 2017. Max torque was 8.11 ft/lbs (11.0 Nm) @ 8000 RPM. Claimed horsepower was 12.07 HP (9.0 KW) @ 9500 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 56.5mm bore x 49.5mm stroke result in a displacement of just 124.0 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).

Drive[edit | edit source]

The bike has a 5-speed transmission.

Chassis[edit | edit source]

It came with a 110/70-17 front tire and a 140/70-17 rear tire. Stopping was achieved via double disc in the front and a single disc in the rear. The front suspension was a upside down telescopic while the rear was equipped with a single shock, air, adjustable.. The ZS125 was fitted with a 3.17 Gallon (12.00 Liters) fuel tank. The bike weighed just 352.74 pounds (160.0 Kg).