We Are The Difference
The 2025 450 RX model received updates bringing it closer to perfection than ever. Updates to sharpen the model’s weapons, ready to do battle on MX tracks throughout the USA. An even-stronger rear aluminum subframe, suspension upgrades, as well as a more powerful lithium battery are just a few.
| ENGINE TYPE |
Single cylinder, 4 –stroke, liquid cooled, 4-valve with electric start.
|
| BORE | 97mm |
| STROKE | 60.8mm |
| DISPLACEMENT | 449.3cc |
| COMPRESSION RATIO | 13.5:1 |
| VALVE TRAIN |
Finger followers w/ shim adjustment
|
| IGNITION |
Dual-Map Kokusan with Traction Control
|
| SPARK PLUG | NGK LKAR8A-9 |
| LUBRICATION |
Twin Oil Pumps w/Cartridge Filter & Separate Compartments For Engine & Transmission
|
| FUEL SYSTEM |
46mm Throttle Body
|
| CLUTCH |
Hydraulic, adjustable diaphragm multi-plate clutch
|
| TRANSMISSION | 5 Speed |
| FINAL DRIVE | DID drive chain |
| FRAME |
Molybdenum steel / Double Cradle w/ push button seat and quick air filter access
|
| WHEELBASE | 58.4″ |
| SEAT HEIGHT | 37.2″ |
| GROUND CLEARANCE | 13″ |
| FOOTREST HEIGHT | 16.1″ |
| DRY WEIGHT | 229 lbs |
| FUEL TANK CAPACITY | 1.8 US Gallons |
| FRONT SUSPENSION |
48 mm KYB AOS closed cartridge fork, adjustable compression & rebound
|
| REAR SUSPENSION |
KYB 50mm body with adjustable rebound and high/low speed on compression adjustment
|
| FRONT WHEEL TRAVEL | 12″ |
| REAR WHEEL TRAVEL | 11.8″ |
| FRONT BRAKE |
260 mm floating rotor
|
| REAR BRAKE | 240 mm rotor |
| FRONT/REAR RIM |
21″ (Front) 19″ (Rear)
|
| FRONT/REAR TIRE | Maxxis |
| SPECS |
*Specifications subject to change without notice Additional information on all models including manuals, accessories, and
parts books are available online at www.betausa.com under the support tab **This model is for competition use only |
While great effort is made to ensure the accuracy of the information on this site, errors can occur. Please verify all pricing information with a customer service representative. This is easily done by calling us or visiting us at the dealership.
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