RR X-PRO
4T 350 MY26

My26
My27

The RR X-PRO 350 4T is the most easy to handle displacement in the 4T range: it prefers high rpm riding, while maintaining linear and manageable power delivery. It is the ideal choice for those looking for an agile and fun 4T, without sacrificing Beta’s racing DNA.

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349,1 cc

Displacement

88 x 57,4 mm

Bore x stroke

930 mm

Seat height

107 kg

Dry weight

MAIN FEATURES

ENGINE

Engine maps

The new 4-stroke engine maps improve power delivery in terms of linearity and usability at all revs. Whatever the displacement, Beta engineers improved their linearity and usability, to better manage the power available, at any speed.

SHC fork

Redesigned to offer superior performance, the new fork reduces weight by approximately 250 g and introduces separate function management: the right leg controls elasticity, while the left leg controls hydraulics.

FRONT RECOVERY STRAP

To emphasise the Extreme character of the RR X-PRO, a new front recovery strap has been introduced, customised with Beta embroidery, which is very useful for getting out of the most difficult situations.

Battery

All 4-stroke models are equipped with a new, lighter and more-performing battery to ensure reliable starting under any usage conditions.

COOLANT EXPANSION TANK

The coolant expansion tank, approximately 200cc, allows you to recover water that could be expelled from the radiator as temperatures rise, particularly when riding slowly and technically, or during extreme enduro passages.

HANDLEBAR MAP SWITCH

The map switch button located on the handlebar allows you to select two engine maps: Full Power, which offers all the power and responsiveness of the engine, and Soft, which softens the power delivery, making it more manageable on slippery surfaces or when greater traction is needed. The same button is also used to select the level of Traction Control intervention.

XPRO Mono

In keeping with the character of the X-PRO, the suspension system generates optimal vehicle handling, with the bike’s overall behaviour always comfortable and suitable for both amateur riders and pros who are dedicated to Hard Enduro.

NISSIN BRAKE PUMP

The new X-PRO My26 models are equipped with a new front brake caliper, coming from motocross, which is smaller, lighter and more efficient than the previous one, ensuring significantly more effective performance when braking at the limit, while maintaining the typical modularity of the systems chosen by Beta’s engineers.

Silent block

The Silent Block reduces vibrations transmitted to the rider, making the grip more comfortable and less tiring.

A distinctive design

The RR X-PRO 350 4T is highly distinctive: it features an all-red livery with contrasting black graphics, giving it a sporty and contemporary style. The new LED rear light, which is more compact and robust, completes the look and guarantees reliability even in the most challenging conditions. The design is not only aesthetic but also functional, enhancing performance.

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manual brochure

CHASSIS

Frame

Molybdenum steel with double cradle split above
the exhaust port

Wheelbase

1480 mm

Max length

2180 mm

Max width

830 mm

Max height

1270 mm

Seat height

930 mm

Ground clearance

315 mm

Footrest height

407 mm

Dry weight

107,5 kg (front 52,7 kg; rear 54,8 kg)

Fuel tank capacity

9,0 l

Reserve

2,3 l

Cooling system capacity

1,4 l

Front suspension

Hydraulic USD fork with ø 48 mm shaft

Rear suspension

Monoshock with progressive compound lever

Shock absorber stroke

132 mm

Front wheel travel

295 mm

Rear wheel travel

290 mm

Front brake

Wave disc ø260 mm and double-piston floating
caliper

Rear brake

Wave disc ø240 mm and single-piston floating
caliper

Front rim

21 x 1,6 – 36 holes

Rear rim

18 x 2,15 – 36 holes

Front tyre

90/90 – 21

Front tyre

140/80 -18

ENGINE

Type

Single cylinder, 4-stroke, liquid-cooled

Bore

88 mm

Stroke

57,4 mm

Displacement

349,1 cc

Compression ratio

13,19:1

Valve train

DOHC finger follower / 4 titanium valve

Starter

Electric starter

ACG

Kokusan

Spark plug

NNGK LKAR 8A-9

Lubrication

2 oil pumps

Fuel system

Elldor dual electronic injection

Throttle body

Ø 42 mm – Synerject

Clutch

Wet multi-disc clutch

Primary drive

Z.28/76

Transmission

6 gears

Final transmission

Chain

Engine oil

SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.

Consumo l/100km

3,4

Pollution Co2 [g/km]

80

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