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ID # 34788209

2025 Beta RR 390 ENDURO

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Overview

After twenty years of production, the Beta RR models have been transformed into a new breed of enduro bikes. Introducing the all new range of 2T and 4T models known as RR X-Pro! Not to be confused with the older brother Race Edition models, the X-Pro models offer the enduro rider with a
large range of features and benefits suited for trail riding of all disciplines. There are eight models of RR X-Pro available, all with a different personality and attitude. 125, 200, 250, and 300 2T models along with 350, 390, 430, and 480 4T. Solely designed to take on the toughest trails with features not found on most other enduro models including a new frame with a 20mm lower seat height, an all-new single spring front fork, elastomeric handlebar mounts, coolant overflow reservoir, as well as a rescue strap on the front fender. Topping off the list of changes is all new plastic that will set the bike apart from the others. The all-new ZF SHC front fork is lighter weight than earlier standard RR models design by using one spring on the right-side tube that includes a preload adjuster while all of the fork compression and rebound dampening is handled in the left side. This single spring design is perfect for heavy enduro use by providing the rider with a more “planted” feeling while riding. It also allows the fork to react quicker than other designs due to less overall friction. Complimenting the front fork are the isoelastic handlebar mounts from XTrig, these mounts reduce vibration and rider fatigue. The rear shock is also new with updated valve settings that match the all new SHC front fork. To add to the Rideability of the bike, the seat height has been reduced by 20mm to lower the centre of gravity and providing the rider with better footing when the going gets tough. A grab-strap on the front fender is a new feature added in the case the front wheel needs to be lifted out of an extreme situation. A new frame which design has been adopted from the RR Race Edition and RX models. This new frame provides a larger backbone that is stronger than previous models and provides improved control through less flex. Along with the new frame, a new Nissin rear brake master cylinder has been added to provide improved rear brake performance. This new reservoir holds a larger volume of fluid which helps cool the system down under extreme braking. RR X-Pro models have their own distinct look with new bodywork. A new designed front headlight mask, new sleek tank panels, and finished with a new rear fender. New graphics top off the stunning look of the range.

 

Specifications
Model
RR
Category Name
Motorcycles
Year
2025
Sale Type
New
Manufacturer
Beta Motorcycles
updates are as follows

ZF SHC Front Fork: Single-sided spring, fully adjustable for preload, compression and rebound dampening. Weight reduction of more than 250 grams.
ZF rear Shock: Redesigned and matched with the SHC front fork. Provides a better overall balance of the suspension and rideability. A progressive linkage improves handling.
Lower Seat Height: 20mm lower than MY24 RR models, newly designed shape as well as a softer foam for longer, more comfortable rides.
Frame: Similar in design of the RR Race Edition and RX models, larger backbone for durability and less overall flex.
Rear Brake Master Cylinder: Larger volume of fluid over previous models to reduce heat during extreme braking.
Handlebar Mounts: XTrig FlexFix isoelastic bar mounts to reduce rider fatigue and reduce vibration.
Map switch: Two positions to adjust the engine power delivery to the type of conditions. (wet or dry) Now mounted on the handlebar pad.
Electronic Oil Injection: (2T 200, 250, and 300) An oil tank is located beneath the seat (which is easily opened at the touch of a button), it does away with the need for the oil-fuel premix.
Traction Control: (4T models only) the added feature of traction control at the touch of a button. Enhances traction in first and second gear in difficult terrain.
Electronic Key: Provides a safety system prevents theft with a unique coded key that also has a tether to be used as a safety shutoff when worn around the riders wrist.
Coolant Recovery Tank: Reduces loss of coolant in extreme riding conditions.
All-New Body Design: New headlight mask, fuel tank panels, and rear fender to set the bike apart from the other model range.
• Graphics: A stunning look that wears the Italian Red color matched with subtle lines.
Front Rescue Strap: To aid when needing to lift the front wheel out of a difficult section.

 

other features

Electric starter: precise and reliable, essential when restarting the bike in tricky situations. A back-up kick starter is sold as an option.

Clutch: “Light-Pull” diaphragm clutch has three settings for adjustment of lever pull and progressiveness.

Battery: Lithium battery provides quick starts as well as reduced weight.

Electrics: Headlight and taillight with meter that includes hours of use, trip meter, speed, and more.

Fuel Tank: Translucent so the fuel level can be easily monitored.

Skid Plate: A plastic skid plate reduces engine noise and is formed to the frame for better ground clearance.

Graphics: the design of the bike is enhanced with new graphics that are similar to those on the RR models providing the characteristic Beta red in its dominant fashion.

 

chassis
Frame
Molybdenum steel with double cradle split above the exhaust port
Reserve
2,3l.
Rear Rim
18 x 2,15 - 36 holes
Front Rim
21 x 1,6 - 36 fori
Max Width
830 mm
Rear Tyre
140/80 -18
Wheelbase
1490 mm
Dry Weight
107,5 kg (front 52,7 kg; rear 54,8 kg)
Front Tyre
90/90 - 21
Max Height
1270 mm
Max Length
2180 mm
Rear Brake
Wave disc ø240 mm and single-piston floating caliper
Front Brake
Wave disc ø260 mm and double-piston floating caliper
Seat Height
930 mm
Footrest Height
407 mm
Rear Suspension
Monoshock with progressive compound lever
Front Suspension
Hydraulic USD fork with ø 48 mm shaft
Ground Clearance
315 mm
Rear Wheel Travel
290 mm
Front Wheel Travel
295 mm
Fuel Tank Capacity
9,0 l.
Shock Absorber Stroke
132 mm
Cooling System Capacity
1,4 l.
engine
ACG
Kokusan
Bore
88 mm
Type
Single cylinder, 4-stroke, liquid-cooled
Clutch
wet multi-disc clutch
Stroke
63,4 mm
Starter
Electric starter
Engine Oil
SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.
Spark Plug
NGK LKAR 8A-9
Fuel System
Elldor dual electronic injection
Lubrication
2 oil pumps
Valve Train
DOHC finger follower / 4 titanium valve
Displacement
385,6 cc
Transmission
6 gears
Primary Drive
Z. 28/76
Throttle Body
Ø 42 mm - Synerject
Compression Ratio
12,48:1
Final Transmission
chain
Consumption L/100 Km
3,3
Pollution Co2 [g/km]
77