Sherco 300 SEF-R Six Days - 2017 Specifications and Reviews

The 2017 Sherco 300 SEF-R Six Days is a competition-focused enduro machine designed for serious off-road racers and experienced trail riders. Known for its lightweight construction and precision handling, this bike excels in technical terrain with its progressive WP suspension, responsive hydraulic clutch, and competition-grade braking system. Best suited for riders seeking a proven six-day enduro platform with minimal weight and maximum adjustability.

2017
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General information

CategoryEnduro / offroad
Year2017
ModelSherco 300 SEF-R Six days
 
 

Engine and Transmission Specifications

Exhaust systemAluminum muffler
DrivelineGears in primary drive secondary drive with chain
ClutchHydraulic, multidisc in oil bath
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Synerject digital electronic fuel 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:303.68 ccm (18.53 cubic inches)

Brakes, suspension, Frame and wheels

WheelsAluminum rim with Michelin Enduro Competition tube-type tire
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. Brembo
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. Brembo
Rear wheel travel320 mm (12.6 inches)
Rear SuspensionWP progressive, multiadjustable rear shock utilizing a linkage and rod system 330 mm (
Front wheel travel300 mm (11.8 inches)
Front SuspensionWP 48mm telescopic fork, rebound and compression adjustable
Frame typeHalf perimeter frame Chrome-Molybdenum

Physical measures and capacities

Fuel capacity9.70 litres (2.56 gallons)
Wheelbase1,480 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.
Electrical12 V / 4Ah Yuasa battery.
StarterElectric
Color optionsWhite/red/yellow/black

Performance Profile & Rider Fit

Best For

Track20%
City15%
Cornering70%
Daily Riding10%
Touring15%
Passenger5%

Rider Profile

Best ForThis is a competition-grade enduro machine best suited to experienced off-road riders comfortable with a tall, light, aggressive dirt bike.
PurposeBuilt for serious enduro and off-road competition riding, including technical trails, hard terrain, and Six Days-style events.
Rider FitThe tall seat height, minimal weight, and firm long-travel suspension demand good rider fitness, strong legs, and confidence standing on the pegs.
CharacterA featherweight, high-revving four-stroke enduro weapon that rewards precise, active riding with sharp agility and strong suspension performance over rough ground.
Not Ideal ForThis bike is not suited to riders seeking comfort, highway touring capability, or an easy, low-maintenance daily commuter.

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

Rider Fit Visualizer

2017 Sherco 300 SEF-R Six Days 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 2017 Sherco 300 SEF-R Six Days, 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 2017 Sherco 300 SEF-R Six Days motorcycle is a top-of-the-line off-road bike that is built for performance and endurance. With its powerful 300cc engine and sleek design, this bike is sure to impress any rider looking for a high-performance machine. The Six Days edition also comes with special graphics and features to commemorate the prestigious International Six Days Enduro race, making it a unique and collectible option for enthusiasts. Whether you're hitting the trails or competing in off-road races, the Sherco 300 SEF-R Six Days offers top-tier performance and reliability. Overall, the 2017 Sherco 300 SEF-R Six Days motorcycle is a fantastic choice for riders who want a high-quality off-road bike with a competitive edge. Its powerful engine, durable build, and special edition features make it a standout option in the off-road motorcycle market. Whether you're a serious competitor or a recreational rider, this bike is sure to provide an exciting and reliable off-road experience.
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