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2024 Beta 450 RX 4-Stroke
2024 Beta 450 RX 4-Stroke

Specs

General Information

Manufacturer
Beta
Beta
Model Year
2024
2024
Model
450 RX 4-Stroke
450 RX 4-Stroke
Model Code
NA
NA
Color
Red
Red

Brakes/Wheels/Tires

Brakes

Front - 260 mm floating rotor

Rear - 240 mm rotor

Front - 260 mm floating rotor

Rear - 240 mm rotor

Rims

Front - 21 in.

Rear - 19 in.

Front - 21 in.

Rear - 19 in.

Tires
Front / Rear - Maxxis
Front / Rear - Maxxis

Dimensions

Height
Footrest - 16.1 in.
Footrest - 16.1 in.
Weight
Dry - 229 lb. (wet weight, no fuel)
Dry - 229 lb. (wet weight, no fuel)
Ground Clearance
13 in.
13 in.
Wheelbase
58.4 in.
58.4 in.
Seat Height
37.2 in.
37.2 in.

Drivetrain

Transmission
5 speed
5 speed
Final Drive
DID drive chain
DID drive chain

Engine

Engine
4 –stroke, 4-valve
4 –stroke, 4-valve
Cooling
Liquid
Liquid
Cylinders
Single
Single
Displacement
449.3 cc
449.3 cc
Bore x Stroke
97 x 60.8 mm
97 x 60.8 mm
Compression Ratio
13.4:1
13.4:1
Clutch
Hydraulic, adjustable diaphragm multi-plate
Hydraulic, adjustable diaphragm multi-plate
Fuel System
46 mm Throttle Body with Dual Injectors
46 mm Throttle Body with Dual Injectors
Exhaust
Valve - Finger followers with shim adjustment
Valve - Finger followers with shim adjustment
Ignition

Dual-Map Kokusan with Traction Control

Spark Plug - NGK LKAR8A-9

Dual-Map Kokusan with Traction Control

Spark Plug - NGK LKAR8A-9

Starting
Electric
Electric
Lubrication
Twin Oil Pumps with Cartridge Filter and Separate Compartments for Engine and Transmission
Twin Oil Pumps with Cartridge Filter and Separate Compartments for Engine and Transmission
Fuel Capacity
1.8 US gal.
1.8 US gal.

Operational

Frame
Molybdenum steel / Double Cradle with push button seat and quick air filter access
Molybdenum steel / Double Cradle with push button seat and quick air filter access
Front Suspension

48 mm KYB AOS closed cartridge fork, adjustable compression & rebound

Wheel Travel - 12 in.

48 mm KYB AOS closed cartridge fork, adjustable compression & rebound

Wheel Travel - 12 in.

Rear Suspension

KYB 45 mm body with adjustable rebound and high / low speed on compression adjustment

Wheel Travel - 11.8 in.

KYB 45 mm body with adjustable rebound and high / low speed on compression adjustment

Wheel Travel - 11.8 in.

Features

Features

  • Engine designed specifically for motocross use. Counter balanced to smooth out vibration. Five Speed transmission with dedicated ratios to MX. Diaphragm style clutch with three adjustments that allows rider to select their desired feel.
  • Air filter box, combined with 46mm throttle body, provides the optimum air flow to keep up with the performance of the engine.
  • A precise chassis was designed specifically for motocross. The frame was engineered to handle repeated landings yet supple enough for great cornering.
  • KYB 48mm forks up front & 50mm piston in rear. Both components are completely adjustable in compression, rebound, and spring preload representing an ideal compromise between Rideability & Performance.
  • Fuel Tank designed for MX. 1.8 gallon capacity.
  • 21" Front / 19" Rear with 90/100-21 & 110/90-19 Maxxis Tires. Nissin floating calipers 260mm disc front, 240mm disc rear.

Features

  • Engine designed specifically for motocross use. Counter balanced to smooth out vibration. Five Speed transmission with dedicated ratios to MX. Diaphragm style clutch with three adjustments that allows rider to select their desired feel.
  • Air filter box, combined with 46mm throttle body, provides the optimum air flow to keep up with the performance of the engine.
  • A precise chassis was designed specifically for motocross. The frame was engineered to handle repeated landings yet supple enough for great cornering.
  • KYB 48mm forks up front & 50mm piston in rear. Both components are completely adjustable in compression, rebound, and spring preload representing an ideal compromise between Rideability & Performance.
  • Fuel Tank designed for MX. 1.8 gallon capacity.
  • 21" Front / 19" Rear with 90/100-21 & 110/90-19 Maxxis Tires. Nissin floating calipers 260mm disc front, 240mm disc rear.