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2025 Beta 450 RX — photo 1 of 8
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Specs

New or used
Used
Availability
In stock
Colour
Red
Displacement
449 ccManufacturer specDealer: 449.3 cc
Cylinders
1Manufacturer specDealer: Single
Engine cycle
Four-strokeManufacturer specDealer: 4 –stroke, 4-valve
Cooling
Liquid-cooledManufacturer specDealer: Liquid
Transmission
ManualManufacturer specDealer: 5 speed
Final drive
ChainManufacturer spec
Hours
4 hrs
Seat height
37.2 inManufacturer spec
Wheelbase
58.4 inManufacturer spec
Ground clearance
13 inManufacturer spec
Dry weight
229 lbManufacturer spec
Fuel capacity
1.8 galManufacturer spec
VIN
ZD3E7M48XS0450663
Stock #
450663
All details from the dealer (25)
Model Type
Motocross
Model Code
NA

Features

Features
Larger battery for higher output and quicker starting.Manufacturer spec
Features
Different final ration with a 51T rear sprocket to help pull out of the corners harder.Manufacturer spec
Features
Smaller and lighter front brake caliper from Nissin, improved feel and modulation.Manufacturer spec
Features
Xtrig FlexFix handlebar mounts reduce vibration at the handlebar and raises the bar by 5mm overall.Manufacturer spec
Features
Footpegs provide a better bite over the previous version.Manufacturer spec
Features
Larger rear axle for more rigidity, now 22mm over last year’s 20mm.Manufacturer spec
Features
Updated engine mapping for 2025.Manufacturer spec

General Information

Model Code
NAManufacturer spec

Brakes/Wheels/Tires

Brakes
Front - 260 mm floating rotor Rear - 240 mm rotorManufacturer spec
Rims
Front - 21 in. Rear - 19 in.Manufacturer spec
Tires
Front / Rear - MaxxisManufacturer spec

Dimensions

Height
Footrest - 16.1 in.Manufacturer spec

Engine

Bore x Stroke
3.8 x 2.3 in. (97 x 60.8 mm)Manufacturer spec
Compression Ratio
13.5:1Manufacturer spec
Clutch
Hydraulic, adjustable diaphragm multi-plateManufacturer spec
Fuel System
46 mm Throttle BodyManufacturer spec
Exhaust
Valve Train - Finger followers with shim adjustmentManufacturer spec
Ignition
Dual-Map Kokusan with Traction Control Spark Plug - NGK LKAR8A-9Manufacturer spec
Starting
ElectricManufacturer spec
Lubrication
Twin Oil Pumps with Cartridge Filter and Separate Compartments for Engine and TransmissionManufacturer spec

Operational

Frame
Molybdenum steel / Double Cradle with push button seat and quick air filter accessManufacturer spec
Front Suspension
48 mm KYB AOS closed cartridge fork, adjustable compression and rebound Front wheel travel - 12 in.Manufacturer spec
Rear Suspension
KYB 50 mm body with adjustable rebound and high / low speed on compression adjustment Rear wheel travel - 11.8 in.Manufacturer spec

From the dealer's page

THIS PRISTINE 2025 BETA 450RX IS GORGEOUS AND SUPER TRICK! BIKE IS LIKE NEW, ONLY 4 HOURS. COMPLETELY STOCK BUT COMES WITH ALL THE GOODIES FROM THE FACTORY!

Price history

Tracked since Oct 12, 2026 · last checked 4h ago

Price details as printed by the dealer

  1. Price$7,499

Throttle does not add these up.

Not enough observations yet — the chart appears after the second crawl of this listing.

Timeline

  1. First seen

    Oct 12, 2026

Market context

Comp set: 2023–2027 Beta 450 RX · 11 listings

Median asking
$8,042
across 10 comparable listings
This one
$7,499
-6.8% vs median
Days on market
New to Throttle
segment median 1d on Throttle before leaving
Left dealer sites
1
comparable listings gone from dealer sites, or marked sold; not sales
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Deal reasons — where this asking price sits against similar listings, with the sample behind it

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