Sherco 300 SEF Factory - 2021 Specifications and Reviews

The 2021 Sherco 300 SEF Factory is a lightweight enduro machine designed for competitive off-road riders seeking precision and agility. Powered by a 303.7cc liquid-cooled four-stroke with electronic fuel injection, it delivers responsive performance across varied terrain. Known for its nimble handling and race-ready engineering, this bike excels in technical trail riding and enduro competition.

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General information

CategoryEnduro / offroad
Year2021
ModelSherco 300 SEF Factory

Engine and Transmission Specifications

Exhaust systemAkrapovic full exhaust pipe with titanium pipe
DrivelineGears in primary drive secondary drive with chain
ClutchHydraulic, multidisc in oil bath
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
Lubrication systemDry sump
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Synerject digital electronic injection
Valves per Cylinder4
Bore x Stroke84.0 x 54.8 mm (3.3 x 2.2 inches)
Engine detailsSherco engine
Engine typeSingle cylinder, four-stroke
Capacity:303.7 ccm (18.53 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsBlue anodized Excel rim with Michelin Enduro Competition tires
Rear brakesSingle disc. Brembo
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Brembo
Rear tire2.15-18
Front tire1.60-21
Rear wheel travel330 mm (13.0 inches)
Rear SuspensionKYB Shock Absorber With hydraulic setting and spring setting specific to each model 3-way adjustment
Front wheel travel300 mm (11.8 inches)
Front SuspensionKYB Fork Double closed cartridge with hydraulic setting and fork springs
Frame typeChrome-Molybdenum steel semi-perimeter
 
 

Physical measures and capacities

Fuel capacity9.70 litres (2.56 US gallons)
Wheelbase1480 mm (58.3 inches)
Ground clearance355 mm (14.0 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight102.0 kg (224.9 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish brand.
ElectricalShido LTZ5S Lithium battery.
StarterElectric
Color optionsBlue/white/green

Performance Profile & Rider Fit

Best For

Track30%
City15%
Cornering80%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForThis bike suits experienced off-road and enduro riders comfortable with a tall, aggressive competition-focused machine.
PurposeBuilt purely for technical enduro and off-road competition, not for general road or commuting use.
Rider FitThe tall 950mm seat height and light 102kg dry weight demand good rider fitness and leg length but reward agility over brute strength.
CharacterA razor-sharp, high-strung race weapon that thrives on aggressive throttle input and technical terrain.
Not Ideal ForThis is not suitable for beginners, short riders, highway touring, or anyone wanting a comfortable daily commuter.

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

Rider Fit Visualizer

2021 Sherco 300 SEF 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 300 SEF 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 300 SEF Factory is a top-of-the-line enduro motorcycle that offers impressive performance and cutting-edge features. With its powerful 300cc engine, lightweight chassis, and responsive handling, this bike is designed to tackle the most challenging off-road terrain. The Factory edition comes with premium components such as a WP XPLOR suspension, Brembo brakes, and a carbon fiber skid plate, making it a true standout in the competitive enduro segment. Whether you're a seasoned rider or a beginner looking to upgrade to a high-performance machine, the Sherco 300 SEF Factory is sure to impress with its performance and quality craftsmanship. In addition to its impressive performance, the 2021 Sherco 300 SEF Factory also boasts a sleek and modern design that is sure to turn heads on the trails. The bike's aggressive styling, bold graphics, and attention to detail make it a standout in the crowded enduro market. With its powerful engine, advanced suspension, and premium components, the Sherco 300 SEF Factory is a top choice for riders who demand the best in performance and handling. Whether you're hitting the trails for a weekend adventure or competing in a high-stakes enduro race, the Sherco 300 SEF Factory is an excellent choice for riders who want to push the limits of what is possible on two wheels.
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