Beta 390 RR: history, specs, pictures
| Beta 390 RR-S | |
| Manufacturer | |
|---|---|
| Production | 2017 |
| Class | Enduro |
| Engine | Single cylinder, 4-stroke, liquid cooled |
| Bore / Stroke | 88.9mm x 88.9mm |
| Compression ratio | 12.5:1 |
| Fuel System | Electronic Fuel Injection |
| Spark Plug | NGK LKAR8A-9 ‘15-18[1] |
| Transmission | Gear box: 6-Speed Final Drive: Chain |
| Final Drive | Chain: 520x114 ‘15-18[1] |
| Rear Sprocket | 49T ‘15-18[1] |
| Suspension | Front: 48 mm Sachs USD fork, adjustable compression and rebound, TFX technology Rear: Aluminum Body Sachs shock w/adjustable rebound and hi/low speed compression |
| Brakes | Front: 260mm rotor Rear: 240mm rotor |
| Front Tire | 90/90-21 ‘15-18[1] |
| Rear Tire | 140/80-18 ‘15-18[1] |
| Wheelbase | 58.7 inches (1491 mm) |
| Seat Height | 36.81 inches (935 mm) |
| Weight | 118.0 kg (wet) |
| Fuel Capacity | 0.53 Gallon (2.00 Liters) |
| Manuals | Service Manual |
The Beta 390 RR-S was a Single cylinder, 4-stroke, liquid cooled Enduro motorcycle produced by Beta in 2017.
Engine[edit | edit source]
A 88.9mm bore x 88.9mm stroke result in a displacement of just 386.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 6-Speed transmission. Power was moderated via the Wet multi-disc.
Chassis[edit | edit source]
Stopping was achieved via 260mm rotor in the front and a 240mm rotor in the rear. The front suspension was a 48 mm Sachs USD fork, adjustable compression and rebound, TFX technology while the rear was equipped with a Aluminum Body Sachs shock w/adjustable rebound and hi/low speed compression. The 390 RR-S was fitted with a 0.53 Gallon (2.00 Liters) fuel tank. The wheelbase was 58.7 inches (1491 mm) long.
2017 Beta 390 RR-S[edit | edit source]
Many improvements and updates have been included on the 2017 lineup. All to enhance the riding experience. One big change is the new RR -S model line Beta calls “Street Legal Off Road”. These models are basically off road race/play bikes that have been approved for the street in all 50 states.