2024: 390 RR Race Edition

2024: 390 RR Race Edition

Price: $11,099.00
BYOB build times run on average between 45-60 days. After your order is placed, you will receive a build time via email.
  • Description


    390 RR Race Edition








    Beta Built single cylinder, 4-stroke, liquid cooled, 4-valve (Titanium intake and exhaust) and electric start with back up kick starter sold as an option

    Frame:  Molybdenum steel / Double Cradle w/ quick air filter access
    Bore: 88mm Wheelbase:   58.7"
    Stroke: 63.4mm Seat Height:   37"
    Displacement: 385.6cc Ground Clearance:   12.6"
    Compression Ratio: 12.48:1 Footrest Height: 16.3" 
    Valve Train Titanium Intake & Exhaust Dry Weight:  237 lbs (wet weight, no fuel) 
    Ignition: Dual Map Kokusan 200w Output & On Demand Traction Control Fuel Tank Capacity:  2.4 US Gallons 
    Spark Plug: NGK LKAR8A-9 Front Suspension: 48 mm KYB AOS Closed Cartridge with adjustable compression & rebound 
    Lubrication:  Twin Oil Pumps w/ Cartridge filter & Separate Compartments for Engine & Transmission Rear Suspension:  KYB 45 mm body with adjustable rebound and high/low speed on compression adjustment
    Fuel System 42mm Throttle Body w/ Dual Injectors Front Wheel Travel:  11.8"
    Traction Control: On Demand with Push of a Button Rear Wheel Travel:  12.4"
    Clutch: Wet Diaphragm Style Front Brake:   260 mm floating rotor
    Transmission: 6 Speed Rear Brake:  240 mm rotor
    Final Drive: O-ring chain Front/Rear Rim:  21" (Front) 18" (Rear)
        Front/Rear Tire:   Metzeler Six Day Off Road
     MSRP $11,099.00  Final Gearing  13T Front/48T Rear
     Destination Fee $489.00    

    *Specifications subject to change without notice. Additional information on all models including manuals, accessories and parts books are available online at www.betausa.com under support.

    **This model is for competition use only