Beta Evo 250 4T - 2011 Specifications and Reviews

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General information

CategoryTrial
ModelBeta Evo 250 4T
Year2011

Engine and Transmission Specifications

Gearbox5-speed
Cooling systemLiquid
Fuel systemCarburettor. Mikuni
Bore x stroke77.0 x 53.6 mm (3.0 x 2.1 inches)
Compression11.5:1
Engine typeSingle cylinder, four-stroke
Capacity:249.60 ccm (15.23 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter150 mm (5.9 inches)
Front brakes diameter185 mm (7.3 inches)
Front brakesSingle disc. 4 piston caliper
Rear tyre dimensions4.00-18
Front tyre dimensions2.75-21
Rear suspension travel165 mm (6.5 inches)
Rear suspensionMonoshock
Front suspension travel180 mm (7.1 inches)
Front suspensionHydraulic fork with 38 mm shaft
Frame typeSingle wave aluminium beam
 
 

Physical measures and capacities

Reserve fuel capacity0.50 litres (0.13 gallons)
Fuel capacity2.60 litres (0.69 gallons)
Wheelbase1,305 mm (51.4 inches)
Ground clearance310 mm (12.2 inches)
Overall width850 mm (33.5 inches)
Overall length1,990 mm (78.3 inches)
Overall height1,115 mm (43.9 inches)
Seat height680 mm (26.8 inches) If adjustable, lowest setting.
Dry weight72.0 kg (158.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed/black

Performance Profile & Rider Fit

Best For

Track10%
City5%
Cornering60%
Daily Riding5%
Touring3%
Passenger0%

Rider Profile

Best ForThis is a specialist machine best suited to riders who already have trials or dedicated off-road experience, though dedicated beginners can learn on it under guidance.
PurposeBuilt purely for competitive and recreational observed trials riding, tackling extreme low-speed technical obstacles rather than any form of road use.
Rider FitDespite its featherweight build under 75kg, it demands strong core balance, leg strength, and standing endurance rather than raw muscle.
CharacterAn ultra-light, razor-precise trials tool with instant throttle response and pinpoint balance, designed to hop, climb, and pivot over obstacles a normal bike could never approach.
Not Ideal ForThis bike is not suitable for anyone wanting a comfortable commuter, a highway tourer, or a passenger-carrying machine.

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

Rider Reviews

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