Sherco ST 2.5 - 2009 Specifications and Reviews

The 2009 Sherco ST 2.5 is a lightweight trial motorcycle built for competitive and amateur riders seeking precision handling in challenging terrain. Powered by a 250cc single-cylinder two-stroke engine with progressive electronic ignition, it delivers responsive power delivery essential for trial riding. Known for its minimal 69.5kg weight and excellent maneuverability, the ST 2.5 excels at navigating obstacles and technical sections with reliability and control.

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General information

CategoryTrial
Year2009
ModelSherco ST 2.5
 
 

Engine and Transmission Specifications

ClutchHydraulically activated multidisc in oil bath
Transmission typefinal driveChain
Gearbox5-speed
Lubrication system2% oil pre-mix
IgnitionLeonelli progressive, electronic ignition with a balanced magnetic flywheel
Fuel systemCarburettor. Dellorto PHPL26
Bore x stroke72.8 x 69.0 mm (2.9 x 2.7 inches)
Stroke2
Engine typeSingle cylinder
Capacity:249.70 ccm (15.24 cubic inches)

Physical measures and capacities

Wheelbase1,322 mm (52.0 inches)
Ground clearance305 mm (12.0 inches)
Seat height625 mm (24.6 inches) If adjustable, lowest setting.
Dry weight69.5 kg (153.2 pounds)

Sherco ST 2.5 dimensions and frame

Exhaust systemSteel header pipe with an integrated aluminum muffler
Rear brakesSingle disc
Front brakesSingle disc
Rear suspensionProgressive link system with single Olle adjustable shock absorber, 175 mm travel
Front suspensionCeriani 38 mm. dia hydraulic telescope fork, 185 mm travel fully adjustable for preload and dampening. Black low friction coating
Frame typeTriangulated cross section Chrome-moly. Painted flat black

Speed and acceleration

Modifications compared to previous modelNew frame geometry and improved balance point. Redesigned suspensions adapted to the new geometry.
Color optionsBlue/black/grey
Fuel capacity2.90 litres (0.77 gallons)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track10%
City10%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis machine is built for skilled trial riders who have mastered balance, clutch control, and low-speed technical maneuvering.
PurposeIt exists purely for competitive and recreational trials riding, tackling obstacles, rocks, logs, and steep technical terrain at walking pace.
Rider FitIts featherweight build and tiny seat height demand an agile, athletic riding style with constant standing and body shifting rather than seated comfort.
CharacterIt has the personality of a precision tool, nimble, responsive, and utterly focused on control rather than speed or long-distance capability.
Not Ideal ForThis is not suitable for riders wanting a fast, comfortable, or passenger-friendly bike for road or touring use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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