$12,390.00
The go-anywhere, do-anything dual sport. Beta RS models deliver the same off-road DNA found in the RR X-Pro line, making them some of the most trail-capable 50-state street-legal dual sports available. That means you can link trails with roads, ride longer loops, and spend more time having fun—without needing a truck in between.
For 2026, the 4-Stroke RS lineup comes in four engine sizes: 350, 390, 430, and 500, each with a distinct feel:
350 RS: the most lively and nimble—likes to be revved.
390 RS: similar light feel, with extra torque for easier pulling power.
430 RS: keeps the “rev-happy” character but adds more horsepower and torque.
500 RS: the best-seller—very user-friendly, lots of torque, and lighter-feeling than expected thanks to the slim chassis.
The RS fork features tool-less preload adjustment, built for riders carrying more fuel. As fuel burns off and weight drops, preload can be reduced quickly to keep the ride compliant and comfortable.
Maintenance is simple too: the air filter is tool-free, thanks to a push-button seat and large access panel—an easy, fast system Beta has used on full-size models for years.
New main frame with larger backbone tube for improved stability
Xtrig Flexfix elastomer bar mounts to reduce vibration
New rear brake master cylinder with larger volume
New rear muffler with removable spark arrestor
EFI with twin injectors
50-state street-legal dual sport capability
Traction Control + Map Switch integrated into the handlebar pad
200-watt high-output stator
Sachs ZF forks with tool-less adjustability
Easy-access airbox
Electric start, fold-down mirrors
Voyager GPS navigation system
| Specification | 350 RS |
|---|---|
| ENGINE TYPE | Single cylinder, 4-stroke, liquid cooled, 4-valve (Titanium intake, steel exhaust), cooling fan, electric start (optional kick starter) |
| BORE | 88mm |
| STROKE | 57.4mm |
| DISPLACEMENT | 349.1cc |
| COMPRESSION RATIO | 13.19:1 |
| VALVE TRAIN | Titanium Intake & Exhaust |
| IGNITION | Dual-Map Kokusan, 200W output w/ Traction Control |
| SPARK PLUG | NGK LKAR8A-9 |
| LUBRICATION | Twin Oil Pumps w/ cartridge filter & separate engine/transmission compartments |
| FUEL SYSTEM | 42mm throttle body w/ dual injectors |
| CLUTCH | Wet diaphragm-style |
| TRANSMISSION | 6 Speed |
| FINAL DRIVE | O-ring chain |
| TRACTION CONTROL | On-demand, push-button |
| FRAME | Molybdenum steel / double cradle |
| WHEELBASE | 58.7″ |
| SEAT HEIGHT | 36.8″ |
| GROUND CLEARANCE | 12.2″ |
| FOOTREST HEIGHT | 16.1″ |
| DRY WEIGHT | 237 lbs |
| FUEL TANK CAPACITY | 2.4 US Gallons |
| FRONT SUSPENSION | 48 mm Sachs open cartridge fork, compression, rebound & tool-less preload |
| REAR SUSPENSION | Aluminum-body Sachs shock, adjustable rebound & hi/low speed compression |
| FRONT WHEEL TRAVEL | 11.6″ |
| REAR WHEEL TRAVEL | 11.4″ |
| FRONT BRAKE | 260 mm floating rotor |
| REAR BRAKE | 240 mm rotor |
| FRONT/REAR RIM | 21″ / 18″ |
| FRONT/REAR TIRE | DOT Maxxis Enduro |
| ELECTRICAL | Trail Tech Voyager GPS |
| WARRANTY | 24-Month Limited Warranty |
| MSRP | $12,390.00 |
| DESTINATION | TBA |
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