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Technical Overview
2021 Sherco 250 ST Racing Technical Analysis & Specification Breakdown
At the heart of the 2021 Sherco 250 ST Racing trial motorcycle, Sherco relies on a 249.7 cc (15.2 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 72.8 x 60.0 mm (2.9 x 2.4 inches).
Rider ergonomics and chassis geometry center around a 685 mm (27 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,322 mm (52 in) wheelbase engineered for quick, flickable steering geometry. The 2.4-liter (0.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
685 mm (27 in)
Engine
Displacement249.7 ccm (15.24 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSherco engine
Bore x Stroke72.8 x 60.0 mm (2.9 x 2.4 inches)
Fuel SystemCarburettor. Keihin PWK 28
IgnitionHidria digital
Lubrication2% oil pre-mix
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchHydraulic, diaphragm system
Performance
ExhaustStainless steel exhaust pipe with an integrated aluminium muffler
Chassis
Frame TypeTubular section Chrome-moly
Front SuspensionSteel Tech fork Ø 39 mm
Front Travel165 mm (6.5 inches)
Rear SuspensionProgressive link system with single adjustable shock absorber, R16V.
Rear Travel175 mm (6.9 inches)
Wheelbase1322 mm (52.0 inches)
Ground Clearance310 mm (12.2 inches)
Wheels & Brakes
Front BrakesSingle disc
Front Brake Ø185 mm (7.3 inches)
Rear BrakesSingle disc
Rear Brake Ø145 mm (5.7 inches)
WheelsMorad black rims
Dimensions & Weight
Seat Height685 mm (27.0 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.
