Sherco 125 ST Racing - 2021 Specifications and Reviews
The 2021 Sherco 125 ST Racing is a lightweight trial motorcycle designed for competitive and intermediate riders seeking precision handling in technical terrain. Its liquid-cooled two-stroke engine delivers responsive power with excellent maneuverability, while the hydraulic clutch and five-speed transmission provide smooth control over obstacles and demanding courses.
2021
General information | |
| Category | Trial |
| Year | 2021 |
| Model | Sherco 125 ST Racing |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel exhaust pipe with an integrated aluminium muffler |
| Clutch | Hydraulic, diaphragm system |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | 2% oil pre-mix |
| Ignition | Hidria digital |
| Fuel system | Carburettor. Keihin PWK 28 |
| Bore x Stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Engine details | Sherco engine |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 123.7 ccm (7.55 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Morad black rim |
| Rear brakes | Single disc |
| Diameter | 185 mm (7.3 inches) |
| Front brakes | Single disc |
| Rear wheel travel | 175 mm (6.9 inches) |
| Rear Suspension | Progressive link system with single adjustable shock absorber |
| Front wheel travel | 165 mm (6.5 inches) |
| Front Suspension | Steel Tech fork Ø 39 mm |
| Frame type | Tubular section Chrome-moly |
Physical measures and capacities | |
| Fuel capacity | 2.40 litres (0.63 US gallons) |
| Wheelbase | 1322 mm (52.0 inches) |
| Ground clearance | 310 mm (12.2 inches) |
| Seat height | 685 mm (27.0 inches) If adjustable, lowest setting. |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Spanish brand. |
| Starter | Kick |
| Color options | White/Blue/Yellow |
Performance Profile & Rider Fit
Best For
Track5%
City5%
Cornering30%
Daily Riding5%
Touring3%
Passenger0%
Rider Profile
| Best For | This is a specialist trial machine best suited to riders with some off-road balance skills already, or dedicated beginners fully committed to learning the discipline, rather than general road riders. |
| Purpose | Built purely for technical trial competition and obstacle-based riding, using extreme agility and low weight rather than power or speed to conquer rocks, logs, and steep terrain. |
| Rider Fit | Riding demands strong core balance, standing control, and active body movement rather than raw strength, with a tall seat and no passenger accommodation reinforcing its solo, stand-up riding style. |
| Character | A light, nimble, purpose-built two-stroke trial bike that rewards precision and finesse over brute force or outright speed. |
| Not Ideal For | This is not suitable for riders wanting a comfortable commuter, a highway tourer, or anyone seeking outright speed and passenger capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2021 Sherco 125 ST Racing is a top-of-the-line motorcycle designed for riders who demand power, precision, and control. With its lightweight frame and powerful 125cc engine, this bike is built for speed and agility. Whether you're navigating tight turns or tackling rugged terrain, the Sherco 125 ST Racing delivers an exhilarating and responsive riding experience. Its sleek design and advanced features make it a standout choice for riders who want to take their performance to the next level. Sherco's attention to detail and commitment to quality are evident in every aspect of the 125 ST Racing. From its advanced suspension system to its cutting-edge electronics, this motorcycle offers unparalleled handling and performance. Whether you're a seasoned rider looking for a competitive edge or a newcomer eager to experience the thrill of off-road biking, the 2021 Sherco 125 ST Racing is a standout choice. With its combination of power, precision, and style, this bike is sure to impress even the most discerning riders.Add a Comment
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