For the racer who wants the ideal compromise between the lightweight handling of a 350 and the tractable torque of an open class bike, the 2027 RR Race 390 is a standout choice. This competition ready iteration of the X-Pro lineup introduces a suite of racing derived electronics, including a new handlebar-mounted control panel housing Launch Control and Quick Shift technologies for flawless starts and uninterrupted gear changes. The 390 engine benefits from new titanium valves and a mechanical cam chain tensioner, ensuring immense consistency in all racing conditions. Coupled with updated internal valve settings in the benchmark KYB suspension, a modern LED headlight mask, and a new high output voltage regulator, the RR Race 390 delivers high performance capabilities without inducing rider fatigue.
RR 390 RACE
THE STANDARD IN FOUR-STROKE RACING
0
cc
Engine Displacement
0
Speed
Transmission
36.0
in.
Seat height
300
lbs
Dry Weight
OVERVIEW
MODEL HIGHLIGHTS
FEATURES
ZF DUAL MATERIAL REAR SPROCKET
ZF rear sprocket has an anodized aluminum center with steel sprocket teeth that offer a lightweight yet super strong and durable design from the steel ring.
SOFTER COMPOUND GRIPS
New, softer grips reduce rider fatigue and arm pump by absorbing trail vibration, allowing you to stay on the gas longer.
MACHINE BILLET ALUMINUM FOOTPEGS
Features a curved-top profile with replaceable stainless steel pins for maximum boot traction.
RACE GRIPPER SEAT
Non-slip gripper seat with document pocket.
QUICK RELEASE FRONT AXLE PULL
Red-anodized quick-pull front axle for on the fly wheel changes.
KYB REAR SHOCK
KYB rear shock, benchmarked with internal race valving for precise absorption.
FLEXFIX HANDLEBAR MOUNTS
Handlebar risers utilize silent-block rubber mounts to isolate the rider's hands from engine vibration.
REDSIGNED LED HEADLIGHT & MASK
A redesigned LED headlight mask delivers a brighter beam and lower power consumption while refreshing the bike’s styling.
REINFORCED HEAVY-DUTY CHAIN GUIDE
The reinforced design boosts impact and mud resistance for greater durability, precise drivetrain performance, and reliable chain retention in extreme conditions.
UPDATED METER
New Trail Tech meter with a larger display for speed, RPM, trip data, and engine hours.
PHOTO GALLERY
ENGINE SPECIFICATION
| Engine Type | Single cylinder, 4 –stroke, liquid cooled, (4-valve), electric start. |
| BORE | 88mm |
| STROKE | 63.4mm |
| DISPLACEMENT | 385.6cc |
| COMPRESSION RATIO | 12.48:1 |
| VALVE TRAIN | Titanium Intake & Exhaust |
| IGNITION | Dual-Map Kokusan 200w output |
| SPARK PLUG | NGK LKAR8A-9 |
| LUBRICATION | Twin Oil Pumps w/ Cartridge Filter & Separate Compartments For Engine & Transmission |
| FUEL SYSTEM | 42mm Throttle Body w/ Dual Injectors |
| ELECTRONICAL | Launch Control, Traction Control, & Quick Shift |
| CLUTCH | Wet multi-disk |
| TRANSMISSION | 6 Speed |
| FINAL DRIVE | O-ring chain |
CHASSIS SPECIFICATION
| FRAME | Molybdenum steel / Parameter-style w/ quick air filter access |
| WHEELBASE | 58.1" |
| SEAT HEIGHT | 37.4” w/ 35mm of static sag |
| GROUND CLEARANCE | 13.2" |
| FOOTREST HEIGHT | 16.8" |
| DRY WEIGHT | 237 lbs |
| FUEL TANK CAPACITY | 2.5 US Gallons |
| FRONT SUSPENSION | 48 mm KYB AOS closed cartridge fork, adjustable compression & rebound |
| REAR SUSPENSION | KYB 46 mm body with adjustable rebound and high/low speed on compression adjustment |
| FRONT WHEEL TRAVEL | 11.8 |
| REAR WHEEL TRAVEL | 11.3" |
| FRONT BRAKE | 260 mm floating rotor |
| REAR BRAKE | 240 mm rotor |
| FRONT/REAR RIM | 21" (Front) 18" (Rear) |
| FRONT/REAR TIRE | Maxxis Maxx Enduro |
DOWNLOADS
*Specifications subject to change without notice. Additional information on all models, including manuals, accessories, and parts books are available online at www.betausa.com under SUPPORT.
MSRP: $12,190.00
Destination fee $595.00