2026 Beta RX 450
New bike to order
4
CategoryMotocross 4 Stroke
Engine Size449cc 4 stroke
About this bike
Motocross Manual 5sp 450cc (4T)
Bike details
øNetwork Id
SHRM-AD-686161
Bike
Motocross Manual 5sp 450cc (4T)
Body
Motocross 4 Stroke
Engine Capacity
449 cc
Configuration
Single cylinder, 4-stroke, liquid-cooled
Country of Origin
ITALY
Details
Bike Type
Motocross
Series
RX
Colours
Beta Red/Blue
Ride Away Price
True
OEM Ride Away Price
14495
Country of Origin
ITALY
Grey Import
False
Is Limited Edition
False
Engine
Engine Description
450
Engine Config
Single
Engine Capacity
449cc
Engine Type
Piston
Engine Stroke
4
Bore
97.0mm
Stroke
60.8mm
Cam Type
DOHC (Double Over Head Cam)
Cylinders
1
Valves Per Cylinder
4
Compression Ratio
13.5:1
Induction System
Aspirated
Carburettor
Elldor dual electronic injection
Throttle Bore
46mm
Cooling
Liquid
Coolant Capacity
1.3L
Lubrication
Wet Sump
Oil Capacity
0.8L
Exhaust Config
1 Into 1
Exhaust Description
Steel/Aluminium system
Electric Power
Electric Hub Motor
Not Available
Start
Ignition
CDI (Capacitive Discharge Ignition)
Ignition Description
AC Kokusan - Digital CDI
Starter
Electric
Electrics
Engine Voltage
12Volt
Charging Method
Alternator & Regulator-Rectifier
Spark Plug Description
NGK LKAR 8A-9
Fuel & Emissions
Fuel Type
Petrol
Fuel Tank Capacity
7.0L
Fuel Reserve Capacity
1.40L
Transmission
Drive Type
Chain
Gear Type
Manual
Gear Number
5
Gear Change Method
Left foot lever
Clutch Type
Wet, Multi-disc
Chassis & Suspension
Chassis Description
Molybdenum steel with double cradle split above the
exhaust port
Frame Material
Molybdenum steel
Frame Design
Double cradle; Split
Front Suspension
KYB AOS Closed Cartridge with adjustable compression & rebound
Front Suspension Travel
305.0mm
Rear Suspension
KYB 50mm body with adjustable rebound and high/low speed on compression adjustment (135mm stroke)
Rear Suspension Travel
300.0mm
Fork Diameter
48.0mm
Swingarm Type
Dual Sided
Steering Damper
Not Available
Brakes
Front Brake Description
Single Galfer wave disc; Floating Nissin caliper; Hydraulic
Front Brake Caliper(s)
Double Piston
Front Brake Diameter
260.0mm
Rear Brake Description
Single Galfer wave disc; Floating Nissin caliper; Hydraulic
Rear Brake Caliper(s)
Single Piston
Rear Brake Diameter
240.0mm
Wheels & Tyres
Wheel Type
Blue rims; Laced, 36 Spokes
Wheel Size Front
1.6x21"
Wheel Size Rear
2.15x19"
Rear Tyre
110/90-19"
Front Tyre
80/100-21"
Dimensions & Weights
Length
2170mm
Width
830mm
Height
1270mm
Wheelbase
1475mm
Ground Clearance
335.0mm
Dry Weight
104.5kg
Weight Distribution Front/Rear
Front 51.4 kg / Rear 53.1 kg
Seat Height
945mm
Seating Capacity
1
Warranty & Servicing
Warranty in Months from First Registration
1 Month - Parts Only
Safety & Security
Traction Control
Standard
Rider Modes
2
Convenience
Seating Position
Upright
Expert bike reviews on Beta RX 450
ø Specifications have been sourced from Automotive Data Services Pty Ltd (Redbook) and are based on manufacturer standard features and specifications, some of which may require subscription. Actual features and specifications for this vehicle may differ. Please confirm these details with the seller.
‡ This is an estimated figure calculated with reference to ADR 81/02 and is made on the assumption the vehicle is at maximum factory fuel/energy capacity. It does not take into account factors such as individual driving habits, terrains and driving conditions which may vary depending on the driver and the vehicle.
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