Sherco 125 SE Factory - 2021 Specifications and Reviews

The 2021 Sherco 125 SE Factory is a competition-focused two-stroke enduro bike designed for serious riders seeking reliability and performance in off-road racing. Powered by a liquid-cooled 124.8cc single-cylinder engine paired with a six-speed transmission, it delivers sharp throttle response and agile handling. Known for its robust chrome-molybdenum frame and premium KYB suspension, this Factory model excels in technical terrain and competitive enduro events.

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General information

CategoryEnduro / offroad
Year2021
ModelSherco 125 SE Factory

Engine and Transmission Specifications

Exhaust systemAluminum Silencer with carbon cap
ClutchHydraulic, multidisc in oil bath
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionDC - CDI ignition with digital advance
Fuel systemCarburettor. Keihin PWK 36
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Engine typeSingle cylinder, two-stroke
Capacity:124.8 ccm (7.62 cubic inches)

Brakes, suspension, Frame and wheels

WheelsBlack Excel rim with Michelin Enduro Medium tires
Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tire2.15-18
Front tire1.60-21
Rear wheel travel330 mm (13.0 inches)
Rear SuspensionYB shock absorber with hydraulic adjustment and specific spring calibration
Front wheel travel300 mm (11.8 inches)
Front SuspensionKYB fork with hydraulic adjustment and specific spring calibration
Frame typeChrome-Molybdenum steel semi-perimeter
 
 

Physical measures and capacities

Fuel capacity9.70 litres (2.56 US gallons)
Wheelbase1465 mm (57.7 inches)
Ground clearance355 mm (14.0 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight67.0 kg (147.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsFrench brand.
ElectricalShido LTZ5S Lithium battery
StarterElectric
Color optionsWhite/Blue/Yellow

Performance Profile & Rider Fit

Best For

Track30%
City15%
Cornering85%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForThis bike suits intermediate to advanced off-road riders who understand two-stroke power delivery and clutch/throttle control.
PurposeBuilt as a competition-focused enduro machine for tight trails, technical terrain, and off-road racing rather than any road use.
Rider FitThe tall 950mm seat height, light two-stroke chassis, and standing-focused ergonomics favor taller, fit riders comfortable maneuvering the bike aggressively.
CharacterA sharp, high-strung two-stroke enduro weapon that rewards active riding, quick reflexes, and confident throttle management on demanding terrain.
Not Ideal ForThis is not a good fit for commuters, passengers, long-distance tourers, or beginners seeking a forgiving, low-maintenance street-friendly bike.

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

Rider Fit Visualizer

2021 Sherco 125 SE Factory Rider Ergonomics Assessment

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

Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 Sherco 125 SE Factory, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. 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 2021 Sherco 125 SE Factory is a lightweight and agile off-road motorcycle that delivers excellent performance for its size. With a 125cc engine, this bike is perfect for navigating tight trails and tackling challenging terrain. The Factory edition comes equipped with top-of-the-line components, including a WP XACT air fork and a WP XACT shock, providing riders with superior handling and control. Overall, the Sherco 125 SE Factory offers a thrilling riding experience for those seeking a powerful and capable off-road bike. In conclusion, the 2021 Sherco 125 SE Factory is a top-notch choice for riders looking for a high-performance off-road motorcycle. Its lightweight design and premium components make it a standout option in the 125cc segment. Whether you're hitting the trails or navigating technical obstacles, this bike is sure to impress with its agility and power. If you're in the market for a reliable and capable off-road machine, the Sherco 125 SE Factory is definitely worth considering.
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