2018 Beta Motorcycles 390 RR-S
- Engine: Electronic Fuel Injection, 4-valve, six speed transmission
- Tech Voyager GPS: Trail Tech Voyager GPS with navigation, engine & outside temperature, ability to download trail routes, hours, mileage, trip meter, and much more.
- Fold Down Mirrors: Mirrors fold down while trail riding
- Rear Suspension Linkage: Provides a more plush rear suspension
- Type: Single cylinder, 4-valve, (titanium intake and exhaust), 4-stroke, liquid cooled, cooling fan, electric start.
- Bore: 88mm
- Stroke: 63.4mm
- Displacement: 386 cc
- Compression Ratio: 12.5:1
- Ignition: DC-CDI with dual map selection, Kokusan. 200 watt output at 6000 RPM
- Spark Plug: NGK LKAR 8A-9
- Lubrication: Twin oil pumps with cartridge oil filter. Separate oil for engine and clutch
- Fuel System: 42mm Electronic Fuel Injection
- Clutch: Wet multi-disc
- Transmission: 6-speed
- Final Drive: O-ring chain
- Frame: Molybdenum steel/double cradle w/quick air filter access.
- Wheelbase: 58.7 in.
- Seat Height: 36.8 in.
- Ground Clearance: 12.6 in.
- Footrest Height: 16.2 in.
- Steering Rake/Offset: 26.5 deg. rake/23mm Offset
- Dry Weight: 242 lb. (wet weight, no fuel)
- Electrical: Trail Tech Voyager GPS unit
- Fuel Tank Capacity: 2 US gal.
- Front Suspension: 48 mm Sachs USD fork, adjustable compression and rebound, TFX technology.
- Rear Suspension: Aluminum Body Sachs shock w/adjustable rebound and hi/low speed compression
- Front Wheel Travel: 11.6 in.
- Rear Wheel Travel: 11.4 in.
- Final Gearing: 15t front, 48t rear
- Front Brake: 260mm rotor
- Rear Brake: 240mm rotor
- Front/Rear Rim: 21 in. (Front) 18 in. (Rear)
- Front/Rear Tire: Michelin Enduro (DOT Approved)
- Warranty: 12 month Limited Warranty
NOTES:Specifications subject to change without notice. Additional information on all models including manuals, accessories and parts books are available online at www.betausa.com.com under support.
- Engine Type
- Single cylinder, 4-valve, (titanium intake and exhaust), 4-stroke
- 386 cc
- Bore and Stroke
- 88 x 63.4mm
- Compression Ratio
- Fuel System
- 42mm Electronic Fuel Injection
- DC-CDI with dual map selection, Kokusan. 200 watt output at 6000 RPM
- Final Drive
- O-ring chain
- Front Suspension
- 48 mm Sachs USD fork, adjustable compression and rebound, TFX technology.
- Rear Suspension
- Aluminum Body Sachs shock w/adjustable rebound and hi/low speed compression
- Front Brakes
- 260mm rotor
- Rear Brakes
- 240mm rotor
- Front Tire
- 21 in. Michelin Enduro (DOT Approved)
- Rear Tire
- 18 in. Michelin Enduro (DOT Approved)
- 58.7 in.
- Seat Height
- 36.8 in.
- 26.5 deg.
- Fuel Capacity
- 2 US gal.
- Dry Weight
- 242 lb.
- 12 month Limited Warranty