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ID # 32561123

2024 Beta RX 4T 450

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Overview

In 2023, Beta's project to expand the horizons of RideAbility has officially entered the new dimension of Motocross in Europe, first with the RX 300 two-stroke and now with the king of motocross bikes, the RX 450 four-stroke!

It is officially the first four-stroke motocross bike built by the Italian manufacturer; for enthusiasts of all riding abilities, this translates into the first chance to ride the Beta MX bike closest to the race prototype which has been competing in the MXGP World Championship for the last three years.

A race-ready bike in all respects, designed for Motocross circuits all over the world as has never previously been possible. The design is completely new from the ground up: the frame, engine and components are of the highest level, just like the project behind it: bringing the new horizons of RideAbility to the MX world.

Specifications
Model
RX
Category Name
Motorcycles
Year
2024
Sale Type
New
Manufacturer
Beta Motorcycles
chassis
Frame Molybdenum steel with double cradle split above the exhaust port
Wheelbase 1485 mm
Max length 2170 mm
Max width 825 mm
Max height 1270 mm
Seat height 945 mm
Ground clearance 330 mm
Footrest height 410 mm
Dry weight 104,5 kg (front 51,4 kg; rear 53,1 kg)
Fuel tank capacity 7,0 I.
Reserve 1,4 I.
Front suspension Kayaba Hydraulic USD fork with ø48 mm shaft
Rear suspension Kayaba Monoshock with progressive compound lever
Shock absorber stroke 135 mm
Front wheel travel 305 mm
Rear wheel travel 300 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 19 X 2,15 - 36 holes
Front tyre 80/100 - 21
Rear tyre 110/90 -19
engine
Type Single cylinder, 4-stroke, liquid-cooled
Bore 97 mm
Stroke 60,8 mm
Displacement 449,3 CC
Compression ratio 13.5:1
Valve train DOHC finger follower / 4 valve, intake titanium, exhaust steel
Starter Electric starter
ACG Kokusan
Spark plug NGK LKAR 8A-9
Lubrication 2 oil pumps
Fuel system Elldor electronic injection
Throttle body Ø 46 mm
Clutch wet multi-disc clutch
Primary drive Z.31/72
Transmission 5 marce
Final transmission chain
Engine oil SAE 10W/50 0,8 I. + SAE 10W/40 0,8 I.
literature
Name Link
RX 450 4T MY 2024 EN UK Download
TECH DATA 2024 EN Download
Documents