2023 Beta 390 RR Specs, Top Speed, Price, Review

Beta 390 RR specs, Top Speed, Price, and mileage are listed below. We recommend keeping the model year in mind when reviewing Beta 390 RR specs.

The specifications of the Beta 390 RR, including its Top Speed, weight, MPG, horsepower, Seat Height, and other aspects, were published with the help of the manufacturer’s manuals.

Verify the Beta 390 RR specs with the seller. We will add the Beta 430 RR review video to assist you in your purchase.

Beta 390 RR Top Speed, Specs, Price, Review, Horsepower, Seat Height, Weight

Beta 390 RR Specs, Top Speed, Price, Review


Type: Single cylinder, 4 –stroke, liquid cooled, 4-valve (Titanium intake and exhaust), electric start. (back up kick starter as an option)
Bore: 88mm
Stroke: 63.4mm
Displacement: 385..6cc
Compression Ratio: 12.48:1
Exhaust Valve: Titanium Intake & Exhaust 
Ignition: Dual-Map Kokusan 200w output
Spark Plug: NGK LKAR8A-9
Lubrication:  Twin Oil Pumps w/Cartridge Filter & Separate Compartments For Engine & Transmission
Fuel System: 42mm Throttle Body w/Dual Injectors
Traction Control: On-Demand w/ push of a button
Clutch: Wet Diaphragm-style
Transmission: 6 Speed
Final Drive: O-ring chain
Fuel Tank Capacity:  2.4 US Gallons 


Front Brake:  260 mm floating rotor
Rear Brake:  240 mm rotor


Front Suspension: 48 mm Sachs Open Cartridge with compression, rebound   & spring preload adjustment
Rear Suspension:  Aluminum Body Sachs shock w/adjustable rebound and   hi/low speed compression


Frame:  Molybdenum steel, double cradle w/ quick air filter access

Wheels and Tires

Front Wheel Travel: 11.6″
Rear Wheel Travel: 11.4″
Front/Rear Rim: 21″ (Front) 18″ (Rear)
Front/Rear Tire:  Maxxis Enduro
Final Gearing: 13T Front/48T Rear 


Wheelbase:   58.7″
Seat Height:   37″
Ground Clearance:   12.6″
Footrest Height: 16.3″ 
Dry Weight:  237 lbs (wet weight, no fuel) 

2023 Beta 390 RR Price 

Price: $10,599.00 MSRP, Destination Fee $439.00

Beta 390 RR Top Speed

Top Speed: 85 mph (Est.)

Beta 390 RR Horsepower

Horsepower: NA

Beta 390 RR Set Height

Seat Height:  37″

Beta 390 RR Weight

Dry Weight:  237 lbs (wet weight, no fuel) 

Beta 390 RR Fuel Capacity

Fuel Tank Capacity:  2.4 US Gallons 

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