Beta Minitrial - 2009 Specifications and Reviews

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General information

Year2009

Engine and Transmission Specifications

ClutchAutomatic centrifugal wet clutch
GearboxAutomatic
Cooling systemAir
Lubrication systemmix with fuel 1,5% (with synthetic oil)
IgnitionElectronic Selettra
Fuel systemCarburettor. Dell´Orto SHA 14 - 12L
Bore x stroke39.5 x 40.0 mm (1.6 x 1.6 inches)
Compression13.9:1
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,020 mm (40.2 inches)
Ground clearance255 mm (10.0 inches)
Overall width650 mm (25.6 inches)
Overall length1,530 mm (60.2 inches)
Overall height940 mm (37.0 inches)
Seat height570 mm (22.4 inches) If adjustable, lowest setting.
Dry weight42.5 kg (93.7 pounds)

Beta Minitrial dimensions and frame

Rear brakes diameter90 mm (3.5 inches)
Rear brakesExpanding brake (drum brake). Mechanical drive drum
Front brakes diameter66 mm (2.6 inches)
Front brakesExpanding brake (drum brake). Mechanical drive drum
Rear tyre dimensions2.5-14
Front tyre dimensions2.5-16
Front suspensionMechanical fork with 30 mm shaft
Frame typeSteel tubing
 
 

Speed and acceleration

Reserve fuel capacity0.30 litres (0.08 gallons)
Fuel capacity2.00 litres (0.53 gallons)

CategoryTrial
ModelBeta Minitrial

Other specs

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

Performance Profile & Rider Fit

Best For

Track15%
City5%
Cornering60%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a purpose-built kids' trial bike intended for young beginners just learning balance and clutch-free control, not experienced adult riders.
PurposeIt exists purely for teaching trial riding skills at very low speeds over obstacles, not for speed, commuting, or long-distance riding.
Rider FitIts tiny 42.5 kg dry weight and low 570 mm seat height make it suited to small children rather than teens or adults.
CharacterLight, playful, and forgiving, with an automatic centrifugal clutch that lets young riders focus entirely on balance and throttle control.
Not Ideal ForIt is not suitable for adults, road use, highway travel, or anyone seeking speed, comfort, or passenger capability.

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

Rider Reviews

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