Sherco 125 4T SM RS Factory - 2026 Specifications and Reviews

The Sherco 125 4T SM-RS Factory is a lightweight supermotard built for agile riders seeking nimble street and track performance. Its liquid-cooled single-cylinder engine delivers responsive power ideal for urban commuting and weekend circuits. Known for its sharp handling and manageable power delivery, it suits beginners to intermediate riders developing their skills.

2026
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General information

Color OptionsBlue/white/green
CategorySuper motard
ModelSherco 125 4T SM-RS Factory

Engine and Transmission Specifications

StartingElectric
ClutchHydraulic, wet, multi-plate
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionDC-CDI
InductionCarburettor. Keihin PWK 28
Bore x Stroke52.0 x 58.6 mm (2.0 x 2.3 inches)
Engine DetailsSherco engine
Capacity:124.5 ccm (7.59 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity8.00 litres (2.11 US gallons)
Wheelbase1408 mm (55.4 inches)
Ground Clearance284 mm (11.2 inches)
Seat Height898 mm (35.4 inches) If adjustable, lowest setting.

Sherco 125 4T SM RS Factory dimensions and frame

WheelsBlack rims with Michelin tires.
Rear BrakesSingle disc
Brake Disc Diameter180 mm (7.1 inches)
Front BrakesSingle disc
Rear Tyre130/70-17
Front Tyre100/80-17
Rear Wheel Travel67 mm (2.6 inches)
Rear SuspensionSingle shock absorber
Front Wheel Travel253 mm (10.0 inches)
Front SuspensionUSD 41 mm
FrameSemi-perimeter high-strength chrome-molybdenum steel

Other specs

MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Insurance costsCompare US insurance quotes from the nation's top providers.
Update specsReport missing specs or required updates.
CommentsFrench brand.
Exhaust systemAluminium Silencer with carbon end cap
Lubrication system2% oil pre-mix
Engine typeSingle cylinder, two-stroke
Year2025

Rider Fit Visualizer

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

Feet:

At 898mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2026 Sherco 125 4T SM RS Factory, with a relaxed knee angle of around 140 degrees and a forward-leaning 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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