2009 Sherco ST 1.25 Technical Analysis & Specification Breakdown
Engineered by Sherco for the trial motorcycle segment, the 2009 Sherco ST 1.25 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 1.25 measures 69.5 kg (153 lbs) dry. Rider ergonomics and chassis geometry center around a 1,322 mm (52 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Sherco archive, this model family spans 3 indexed model years from 2009 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement124.7 ccm (7.61 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Bore x Stroke56.0 x 50.7 mm (2.2 x 2.0 inches)
Fuel SystemCarburettor. Dellorto PHBL26BS
LubricationOil pre-mix
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchHydraulically activated multidisc in oil bath
Chassis
Frame TypeTriangulated cross section Chrome-moly. Painted flat black
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.
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.
