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Technical Overview
2023 Sherco 125 ST-R Racing EN Technical Analysis & Specification Breakdown
Built around Sherco's trial motorcycle platform, the 2023 Sherco 125 ST-R Racing EN relies on a 123 cc (7.5 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 54.0 x 54.0 mm (2.1 x 2.1 inches).
Rider ergonomics and chassis geometry center around a 704 mm (27.7 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,310 mm (51.6 in) wheelbase engineered for quick, flickable steering geometry. The 2.2-liter (0.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
704 mm (27.7 in)
Engine
Displacement123.0 ccm (7.51 cubic inches)
Engine TypeSingle cylinder, two-stroke
Bore x Stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Fuel SystemInjection
IgnitionHidria digital
Lubrication1 % blend
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 Reiger single adjustable shock absorber
Rear Travel165 mm (6.5 inches)
Wheelbase1310 mm (51.6 inches)
Ground Clearance350 mm (13.8 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 21 and 19 inches. Michelin tyres.
Dimensions & Weight
Seat Height704 mm (27.7 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.
