The 2027 Beta RR 390 Race 4-Stroke is built for riders looking for the ideal middle ground between the lightweight, agile feel of a 350 and the stronger torque of a larger-displacement four-stroke. Its 385.6cc liquid-cooled single-cylinder engine delivers a broad, tractable powerband while the race-focused chassis and KYB suspension provide the control and precision needed for serious enduro competition.
For 2027, the RR 390 Race gains five-level Launch Control and Quick Shift, giving riders greater control off the line and allowing rapid upshifts without closing the throttle. The engine also receives titanium intake and exhaust valves and a mechanical cam-chain tensioner, while revised KYB suspension valving, a higher-output voltage regulator, redesigned LED lighting, and updated drivetrain protection further improve performance and durability.
385.6cc single-cylinder 4-stroke engine
Liquid cooled
4-valve titanium intake & exhaust
42mm throttle body with dual injectors
6-speed transmission
Electric start
Dual-map ignition
Traction Control
5-level Launch Control
Quick Shift
48mm KYB AOS closed-cartridge front fork
KYB 46mm rear shock with high/low-speed compression and rebound adjustment
11.8" front / 11.3" rear wheel travel
260mm front / 240mm rear brakes
21" front / 18" rear wheels
Maxxis MaxxEnduro tires
2.5-gallon fuel capacity
37.4" seat height
13.2" ground clearance
58.1" wheelbase
237 lb dry weight
The 2027 Beta RR 390 Race 4-Stroke is built for riders looking for the ideal middle ground between the lightweight, agile feel of a 350 and the stronger torque of a larger-displacement four-stroke. Its 385.6cc liquid-cooled single-cylinder engine delivers a broad, tractable powerband while the race-focused chassis and KYB suspension provide the control and precision needed for serious enduro competition.
For 2027, the RR 390 Race gains five-level Launch Control and Quick Shift, giving riders greater control off the line and allowing rapid upshifts without closing the throttle. The engine also receives titanium intake and exhaust valves and a mechanical cam-chain tensioner, while revised KYB suspension valving, a higher-output voltage regulator, redesigned LED lighting, and updated drivetrain protection further improve performance and durability.
385.6cc single-cylinder 4-stroke engine
Liquid cooled
4-valve titanium intake & exhaust
42mm throttle body with dual injectors
6-speed transmission
Electric start
Dual-map ignition
Traction Control
5-level Launch Control
Quick Shift
48mm KYB AOS closed-cartridge front fork
KYB 46mm rear shock with high/low-speed compression and rebound adjustment
11.8" front / 11.3" rear wheel travel
260mm front / 240mm rear brakes
21" front / 18" rear wheels
Maxxis MaxxEnduro tires
2.5-gallon fuel capacity
37.4" seat height
13.2" ground clearance
58.1" wheelbase
237 lb dry weight