2021 Sherco 450 SEF Factory Technical Analysis & Specification Breakdown
At the heart of the 2021 Sherco 450 SEF Factory enduro - offroad motorcycle, Sherco pairs a 449.4 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 95.0 x 63.4 mm (3.7 x 2.5 inches).
Rider ergonomics and chassis geometry center around a 950 mm (37.4 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,480 mm (58.3 in) wheelbase engineered for balanced agility and highway composure. The 9.7-liter (2.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sherco archive, this model family spans 7 indexed model years from 2019 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
950 mm (37.4 in)
Engine
Displacement449.4 ccm (27.42 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSherco engine
Bore x Stroke95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/Cylinder4
Fuel SystemInjection. Synerject digital electronic injection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
LubricationDry sump
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchHydraulic, multidisc in oil bath
DrivelineGears in primary drive secondary drive with chain
Performance
ExhaustAkrapovic full exhaust pipe with titanium pipe
Chassis
Frame TypeChrome-Molybdenum steel semi-perimeter
Front SuspensionKYB Fork Double closed cartridge with hydraulic setting and fork springs
Front Travel300 mm (11.8 inches)
Rear SuspensionKYB Shock Absorber With hydraulic setting and spring setting specific to each model 3-way adjustment
Rear Travel330 mm (13.0 inches)
Wheelbase1480 mm (58.3 inches)
Ground Clearance355 mm (14.0 inches)
Wheels & Brakes
Front Tyre1.60-21
Rear Tyre2.15-18
Front BrakesSingle disc. Brembo
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc. Brembo
Rear Brake Ø220 mm (8.7 inches)
WheelsBlue anodized Excel rim with Michelin Enduro Competition tires
Dimensions & Weight
Seat Height950 mm (37.4 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
