WK SM 125 - 2017 Specifications and Reviews

The 2017 WK SM 125 is an entry-level streetfighter designed for new and budget-conscious riders seeking agile urban performance. Its lightweight chassis, responsive handling, and accessible 830mm seat height make it ideal for commuting and learning fundamental motorcycle skills. The bike delivers practical everyday usability with a 12.8-liter fuel tank and nimble 125cc character.

2017
4 stars Average rating: 4 from 1 votes
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General information

CategorySuper motard
Year2017
ModelWK SM 125

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemAir
IgnitionCDI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemCarburettor
Compression9.5:1
Power11.13 HP (8.1 kW) @ 9500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre130/70-17
Front tyre110/70-17
Rear SuspensionSingle shock
Front SuspensionTelescopic fork
 
 

Physical measures and capacities

Fuel capacity12.80 litres (3.38 gallons)
Overall width810 mm (31.9 inches)
Overall length2,200 mm (86.6 inches)
Overall height1,120 mm (44.1 inches)
Seat height830 mm (32.7 inches) If adjustable, lowest setting.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
InstrumentsDigital
StarterElectric
Color optionsWhite, black

Performance Profile & Rider Fit

11.1 hp
Peak Power

Best For

Track25%
City80%
Cornering60%
Daily Riding65%
Touring20%
Passenger25%

Rider Profile

Best ForWell suited to beginner and learner riders due to its small displacement and low power output.
PurposeDesigned as a lightweight, budget-friendly supermoto-styled bike for urban commuting and short fun rides rather than serious performance riding.
Rider FitThe 830mm seat height combined with a light overall build makes it manageable for riders of average or shorter stature.
CharacterA nimble, playful little machine that favors flickable handling and low running costs over outright speed.
Not Ideal ForNot suitable for highway touring, carrying a passenger long distances, or riders seeking strong acceleration.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2017 WK SM 125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 830mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2017 WK SM 125, with a relaxed knee angle of around 125 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2017 WK SM 125 motorcycle is a lightweight and agile option for riders looking for a nimble and responsive ride. With a 125cc engine, this motorcycle provides enough power to navigate city streets with ease, while also being fuel efficient. The bike's compact design and comfortable seating position make it a great option for both new and experienced riders. Overall, the 2017 WK SM 125 motorcycle offers a great combination of performance, handling, and fuel efficiency. Its sleek design and maneuverability make it a top choice for urban commuting or weekend adventures. Whether you're a beginner or a seasoned rider, this motorcycle is worth considering for its versatility and reliability on the road.
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