Trials Bikes
2009Sherco ST 2.5
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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.
- Capacity
- 249.7 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 69.5 kg
- Seat height
- 625 mm
- Power
- 25.0 HP (18.4 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely for competitive and recreational trials riding, tackling obstacles, rocks, logs, and steep technical terrain at walking pace.
- Built for
- It has the personality of a precision tool, nimble, responsive, and utterly focused on control rather than speed or long-distance capability.
- Not ideal for
- This is not suitable for riders wanting a fast, comfortable, or passenger-friendly bike for road or touring use.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 249.7 ccm
- Power
- 25.0 HP (18.4 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.3597 HP/kg (dry)
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Leonelli progressive, electronic ignition with a balanced magnetic flywheel
- Lubrication system
- 2% oil pre-mix
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Hydraulically activated multidisc in oil bath
Dimensions & weight
- Wheelbase
- 1322 mm
- Seat height
- 625 mm
- Dry weight
- 69.5 kg
- Fuel capacity
- 2.90 litres
- Ground clearance
- 305 mm
Chassis & suspension
- Frame
- Triangulated cross section Chrome-moly. Painted flat black
- Front suspension
- Ceriani 38 mm. dia hydraulic telescope fork, 185 mm travel fully adjustable for preload and dampening. Black low friction coating
- Rear suspension
- Progressive link system with single Olle adjustable shock absorber, 175 mm travel
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
Other
- Color options
- Blue/black/grey
- Modifications compared to previous model
- New frame geometry and improved balance point. Redesigned suspensions adapted to the new geometry.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2009 | 2010 | 2011 |
|---|---|---|---|
| Capacity | 250 cc | 250 cc | 250 cc |
| Dry weight | 70 kg | 68 kg | 68 kg |
| Seat height | 625 mm | 645 mm | 645 mm |
| Fuel capacity | 2.9 L | 2.9 L | 2.9 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Sherco ST 2.5?
The 2009 Sherco ST 2.5 has a Capacity of 249.7 ccm (15.24 cubic inches).
What engine power does the Sherco ST 2.5 have?
The 2009 Sherco ST 2.5 has a Power of 25.0 HP (18.4 kW).
How many gears does the Sherco ST 2.5 have?
The 2009 Sherco ST 2.5 has a Gearbox of 5-speed.
How much does the Sherco ST 2.5 weigh?
The 2009 Sherco ST 2.5 has a Dry weight of 69.5 kg (153.2 pounds).
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