• B.Y.O.B.
  • Evo 300 SS (Super Smooth)


    Standard Evo

    • Hydro-formed aluminum frame with fuel in the frame

    • Reversed flywheel moves weight mass to the center of the bike providing more balance

    • Tightest turning radius of all other brands

    EVO Sport

    • Designed for slow speed trail riding

    • Long range seat/tank for more longer, more comfortable rides

    • Knobby tires provide better traction on the trail

    • Hand guards for protection

    Evo SS

    • “Hi-Torque” exhaust system

    • Heavier flywheel to help smooth out the power.

    • Slower turn throttle assemble

    • Different combustion chamber to reduce the engine’s power pulses

    • Heavier primary drive gear for additional smoothness.


    Engine Specs:

    Type: Single cylinder, 2-stroke, liquid-cooled w/ reed valve
    Bore: 79mm
    Stroke: 60.5mm
    Displacement: 299 cc
    Compression Ratio: 10:1
    Ignition: 12-pole electronic 12 volt, 85 watt w/ dual-map switch (aggressive or soft settings)
    Spark Plug NGK BR7ES
    Lubrication: Pre-mix (synthetic oil)
    Carburetor: Keihin PWK 28mm }
    Clutch: Wet multi-disc w/ cush-drive basket
    Transmission: 6-speed

    Items included with all SS models:
    -“Hi-Torque” exhaust system
    -Heavier flywheel to help smooth out the power.
    -Smaller countershaft sprocket to tie the engine torque to the ground
    -Slower turn throttle assemble
    -Different combustion chamber to reduce the engine’s power pulses
    -Heavier primary drive gear for additional smoothness.

    Chassis Specs:

    Frame: Aluminum beam, single wave Hydro-Formed w/built in fuel tank
    Wheelbase: 51.4”
    Seat Height: 26”
    Ground Clearance: 12.2”
    Footrest Height: 13.6”
    Dry Weight: 146 lbs. dry
    Fuel Tank Capacity: .75 US gallons
    Front Suspension: 38mm Paioli including hard-coated tubes
    Rear Suspension: Adjustable single shock, aluminum bodied, with nitrogen valve including linkage
    Front Wheel Travel: 6.5”
    Rear Wheel Travel: 7.1”
    Final Gearing: 10t front, 42t rear }
    Front Brake: 185mm rotor w/ 4-piston caliper
    Rear Brake: 160mm rotor w/ twin-piston caliper
    Front/Rear Rim: 21” (Front) 18” (Rear)
    Front/Rear Tire: Michelin Trial
    Warranty: 6 month Limited Warranty
    MSRP: $7899.00 (lower price for 2017)

    *specifications subject to change without notice.
    Additional information on all models including manuals, accessories and parts books are available online at BetaUSA.com under Support