2019 Beta Motorcycles 390 RR-S 4-Stroke
390 RR-S 4-Stroke
- 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 W 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 a cc ess.
- Wheelbase: 58.7 in.
- Seat Height: 36.8 in.
- Ground Clearance: 12.6 in.
- Footrest Height: 16.2 in.
- Steering Rake/Offset: 26.5 degree rake/23mm Offset
- Dry Weight: 242 lb. (wet weight, no fuel)
- Electrical: Trail Tech Voyager GPS unit
- Fuel Tank Capacity: 2.1 US gal.
- Front Suspension: 48 mm Sachs USD fork, adjustable compression, rebound, & spring preload.
- 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
- Trail Tech Voyager GPS with navigation, engine & outside temperature, ability to download trail routes, hours, mileage, trip meter, and much more.
- The new ZF Sachs forks feature the positioning of the compression, rebound, and spring preload adjusters on the upper fork cap. Adjustments can now be made on the fly without special tooling.
- The new ZF Sachs rear shock is about 300g lighter and has been designed to increase sensitivity while enhancing comfort and traction.
- Engine Type
- Single cylinder, 4-valve, (titanium intake and exhaust), 4-stroke
- 386 cc
- Bore and Stroke
- 88mm x 63.4mm
- Compression Ratio
- Fuel System
- 42mm Electronic Fuel Injection
- DC-CDI with dual map selection, Kokusan
- Front Suspension
- 48 mm Sachs USD fork, adjustable compression, rebound, & spring preload.
- 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.
- Rear Tire
- 18 in.
- 58.7 in.
- Seat Height
- 36.8 in.
- 26.5 deg.
- Fuel Capacity
- 2.1 US gal.
- Dry Weight
- 242 lb.
- Final Drive
- O-ring chain
- 12 month Limited Warranty