2021 EVO 2T 300 SS Beta Dirt Bike Review Specs

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2021 EVO 2T 300 SS Beta Dirt Bike

The “SS” in the 2021 EVO 2T 300 SS Beta Dirt Bike stands for Super Smooth, which means that thanks to the additional weight on the flywheel for enhanced inertia and other minor measures, it is more manageable to medium-low revs. The dirt motorcycle still makes the SS extremely easy and entertaining to ride and its overall review is given below.

2021 EVO 2T 300 SS Beta Dirt Bike – Features

2021 EVO 2T 300 SS Beta Dirt Bike

Engine Features

The new 2021 EVO 2T 300 SS Beta Dirt Motorcycle has a potent 296.5ccm single-cylinder and two-stroke engine. The overall compression ratio has been set at 10.1:1 while the bore to stroke ratios has been set at 79mm and 60.5mm, respectively. The lubrication system has a 1.5% oil mixture to ensure the lowest possible friction level. The gearbox comes with a 6-speed transmission system to provide an excellent gear shifting experience.

Chassis Features

The new 2021 EVO 2T 300 SS Beta Dirt Bike features a single solid wave hydroformed aluminum beam frame type, offering impressive stability throughout the ride. The suspension system features a hydraulic fork with a 38mm shaft in the front while the rear has a hydraulic mono-shock. The braking system comprises a single disc with four-piston calipers in the front during a single disc with two-piston calipers.

2021 EVO 2T 300 SS Beta Dirt Bike

2021 EVO 2T 300 SS Beta Dirt Bike – Technical Specifications

Engine and transmission

Displacement 296.5 ccm (18.09 cubic inches)
Engine type Single cylinder, two-stroke
Engine details Lamellar induction in the crankcase
Compression 10.2:1
Bore x stroke 79 x 60.5 mm (3.1 x 2.4 inches)
Fuel system Carburetor. Keihin PWK ø 28mm
Ignition Electronic Hidria
Lubrication system 1.5% oil mixture
Cooling system Liquid
Gearbox 6-speed
Transmission type Chain (final drive)
Clutch Wet multi-disc clutch with cush-drive rubber

2021 EVO 2T 300 SS Beta Dirt Bike

Chassis, suspension, brakes, and wheels

Frame type Single wave hydroformed aluminum beam
Front suspension Hydraulic fork with ø38 mm shaft
Front-wheel travel 165 mm (6.5 inches)
Rear suspension Hydraulic Monoshock
Rear-wheel travel 180 mm (7.1 inches)
Front tire 2.75-21
Rear tire 4.00-18
Front brakes Single disc. Four-piston calipers.
Diameter 185 mm (7.3 inches)
Rear brakes