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Technical Overview
2013 Sherco ST 125 Technical Analysis & Specification Breakdown
Built around Sherco's trial motorcycle platform, the 2013 Sherco ST 125 relies on a 124.7 cc (7.6 cu in) single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 56.0 x 50.7 mm (2.2 x 2.0 inches).
On the scales, the ST 125 measures 67 kg (148 lbs) dry. Rider ergonomics and chassis geometry center around a 645 mm (25.4 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.
Standover Height
645 mm (25.4 in)
Engine
Displacement124.7 ccm (7.61 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsNikasil coated cylinder
Bore x Stroke56.0 x 50.7 mm (2.2 x 2.0 inches)
Fuel SystemCarburettor. Keihin Ø 28
IgnitionDigital Hidria with two power curves
Lubrication2% oil pre-mix
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchHydraulically activated multidisc in oil bath
Performance
ExhaustIntegrated aluminum muffler
Chassis
Frame TypeTubular section Chrome-moly
Front SuspensionTech Ø 39 mm hydraulic telescopic fork
Front Travel165 mm (6.5 inches)
Rear SuspensionProgressive link system with singleR16V adjustable shock absorber
Rear Travel175 mm (6.9 inches)
Wheelbase1322 mm (52.0 inches)
Ground Clearance310 mm (12.2 inches)
Wheels & Brakes
Front BrakesSingle disc. Hydraulically activated Formula floating disc
Front Brake Ø185 mm (7.3 inches)
Rear BrakesSingle disc. Hydraulically activated Formula floating disc
Rear Brake Ø145 mm (5.7 inches)
WheelsMorad 21 inch front and 18 inch rear gold anodized aluminum rim and aluminum hub, steel spokes with Michelin tube-type tire
Dimensions & Weight
Dry Weight67.0 kg (147.7 pounds)
Seat Height645 mm (25.4 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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
