2009 Sherco ST 2.5 Technical Analysis & Specification Breakdown
Engineered by Sherco for the trial motorcycle segment, the 2009 Sherco ST 2.5 features a 249.7 cc (15.2 cu in) single cylinder, two-stroke configuration. Internal engine geometry specifies a bore and stroke of 72.8 x 69.0 mm (2.9 x 2.7 inches).
On the scales, the ST 2.5 measures 69.5 kg (153 lbs) dry. Rider ergonomics and chassis geometry center around a 625 mm (24.6 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 2.9-liter (0.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
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.
Standover Height
625 mm (24.6 in)
Engine
Displacement249.7 ccm (15.24 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Bore x Stroke72.8 x 69.0 mm (2.9 x 2.7 inches)
Fuel SystemCarburettor. Dellorto PHPL26
IgnitionLeonelli progressive, electronic ignition with a balan¬ced magnetic flywheel
Lubrication2% oil pre-mix
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchHydraulically activated multidisc in oil bath
Performance
ExhaustSteel header pipe with an integrated aluminum muffler
Chassis
Frame TypeTriangulated cross section Chrome-moly. Painted flat black
Front SuspensionCeriani 38 mm. dia hydraulic telescope fork, 185 mm travel fully adjustable for preload and dampening. Black low friction coating
Rear SuspensionProgressive link system with single Olle adjustable shock absorber, 175 mm travel
Wheelbase1322 mm (52.0 inches)
Ground Clearance305 mm (12.0 inches)
Wheels & Brakes
Front BrakesSingle disc
Rear BrakesSingle disc
Dimensions & Weight
Dry Weight69.5 kg (153.2 pounds)
Seat Height625 mm (24.6 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.
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.
