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Trials Bikes

2021Sherco 125 ST Factory

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The 2021 Sherco 125 ST Factory is a lightweight trial bike engineered for competitive riders seeking precision and agility on technical terrain. Powered by a potent 123.7cc two-stroke engine with digital ignition and liquid cooling, it delivers responsive performance through a 5-speed gearbox. Known for its nimble handling and exceptional maneuverability, this machine excels in trial competition.

Capacity
123.7 ccm
Engine
Single, two-stroke
Gearbox
5-speed
Dry weight
Not on record
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Seat height
685 mm
Power
15.0 HP (11.0 kW)
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How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 15Agility 95Comfort 25Off-road 97Touring 10Road manners 15
Off-road & trail97%
Cornering60%
City riding15%
Daily riding10%
Touring5%
Two-up5%
Track10%
Best for
Built purely for technical trials riding, tackling obstacles, rocks, and tight balance-based maneuvers at very low speeds rather than for general riding or speed.
Built for
A featherweight, high-precision tool that rewards finesse, balance, and throttle control over outright power or comfort.
Not ideal for
Not suitable for riders wanting highway speed, passenger capability, long-distance touring, or everyday road commuting.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine
Capacity
123.7 ccm
Power
15.0 HP (11.0 kW)
Engine type
Single, two-stroke
Bore x stroke
54.0 x 54.0 mm
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Ignition
Hidria digital
Lubrication system
2% oil pre-mix
Transmission
Gearbox
5-speed
Transmission type
Manual
Clutch
Hydraulic, diaphragm system
Dimensions & weight
Wheelbase
1322 mm
Seat height
685 mm
Fuel capacity
2.40 litres
Ground clearance
310 mm
Chassis & suspension
Frame
Tubular section Chrome-moly
Front suspension
Aluminum Tech fork Ø 39 mm
Rear suspension
Progressive link system with single adjustable shock absorber . 3-way Reiger shock absorber.
Front wheel travel
165 mm
Rear wheel travel
175 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
185 mm
Rear brakes
Single disc
Other
Color options
White/Blue/Yellow
Comments
Spanish brand.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

Rider Reviews

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MotorcycleDB

The 2021 Sherco 125 ST Factory motorcycle is a top-of-the-line off-road bike designed for maximum performance. With its powerful 125cc engine, advanced suspension system, and lightweight design, this bike is perfect for navigating challenging terrain with ease. The Factory edition also comes with premium components, such as a full FMF exhaust system and high-performance braking system, making it a standout choice for professional riders and experienced enthusiasts.

Overall, the 2021 Sherco 125 ST Factory motorcycle offers top-tier performance and cutting-edge features that set it apart from the competition. Whether you're hitting the trails for a weekend adventure or competing in a race, this bike delivers the power, agility, and durability needed to tackle any off-road challenge. With its stylish design and top-notch engineering, the Sherco 125 ST Factory is a must-have for riders who demand the best in off-road performance.

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Common questions

What is the engine size of the Sherco 125 ST Factory?

The 2021 Sherco 125 ST Factory has a Capacity of 123.7 ccm (7.55 cubic inches).

What engine power does the Sherco 125 ST Factory have?

The 2021 Sherco 125 ST Factory has a Power of 15.0 HP (11.0 kW).

How many gears does the Sherco 125 ST Factory have?

The 2021 Sherco 125 ST Factory has a Gearbox of 5-speed.

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