Beta Evo 300 4T - 2018 Specifications and Reviews

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General information

CategoryTrial
ModelBeta Evo 300 4T
Year2018
 
 

Engine and Transmission Specifications

ClutchWet multi-disc clutch
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel systemCarburettor. Mikuni
Valves per cylinder4
Bore x stroke84.0 x 53.6 mm (3.3 x 2.1 inches)
Compression11.0:1
Engine typeSingle cylinder, four-stroke
Capacity:297.30 ccm (18.14 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter150 mm (5.9 inches)
Rear brakesSingle disc. 2 piston caliper
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 travel180 mm (7.1 inches)
Rear suspensionMonoshock
Front suspension travel165 mm (6.5 inches)
Front suspensionHydraulic fork
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 length1,990 mm (78.3 inches)
Overall height1,115 mm (43.9 inches)
Seat height680 mm (26.8 inches) If adjustable, lowest setting.
Dry weight71.5 kg (157.6 pounds)
 
 

Other specs

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

Performance Profile & Rider Fit

Best For

Track10%
City8%
Cornering60%
Daily Riding5%
Touring3%
Passenger2%

Rider Profile

Best ForThis is a machine built for skilled trials riders or dedicated beginners specifically training in technical obstacle riding, not general motorcyclists.
PurposeIt exists purely to conquer extreme low-speed technical terrain like rocks, logs, and steep inclines through precise balance and control rather than speed.
Rider FitRiding demands strong core balance, leg strength for standing control, and stamina since there is no real seat for extended sitting.
CharacterIt feels featherlight, incredibly responsive, and almost telepathic in tight technical sections, rewarding finesse over brute force.
Not Ideal ForThis is not for anyone wanting a comfortable seat, highway capability, passenger carrying, or general road and 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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