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Overview:
Through many hours of race team development, working with current World Champion Brad Freeman, Beta has transferred the race team’s technology into a production model with an innovative twin-spark ignition system (300 Race Edition only). This new system utilizes two spark plugs in the cylinder head that are fired at the same time. This dramatically improves the engine’s overall torque while still providing top-end power when needed. Both torque and overall horsepower have been increased.
New frame for 2024 has been developed for the Race Editions that improves the turning stability of the bike and reduces flex under heavy load but doesn't hamper the overall feel and rideability of the chassis.
The new twin-spark system decreases fuel consumption while offering a cleaner burning engine. This system, combined with the revolutionary Keihin carburetor, provides a clean running engine, similar to that of an EFI model, yet still retains the linear power delivery that only a carburetor can provide. An added bonus to the twin spark ignition is that in the event of a fouled or faulty spark plug, the bike will continue to run.
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Features: Electric start, pre-mix to save on weight, dual material rear sprocket, racing graphics and seat cover, adjustable power valve, front axle pull, billet aluminum footpegs, off-road light and meter package, counter balanced engine, easy access air filter box, and adjustable KYB AOS closed cartridge front forks, KYB rear shock with adjustable rebound and high/low compression adjustment
Extra wide billet aluminum foot pegs with stainless steel gripper pins provide the rider with a strong, yet light platform.
Beta Power Valve allows the rider to adjust power delivery to dial in the right hit for the situation
Quick release front axle pull, red anodized allow lever for quick removal of the front axle during tire swaps.
Narrow shrouds give the rider more freedom of movement, especially in corners. Designed to be sleed, simple, & attractive.
The Kayaba C46 rear shock is a collaboration of Kayaba and Beta led to the development of a shock that is particularly effective in enhancing the Rideability of the bike under all conditions. KYB shocks are seen as a gold standard in the racing scene in terms of their ability to absorb big square-edged hits while at the same time, providing a supple ride over the smaller, lower speed bumps.
| MODEL | 250 RR Race Edition |
| ENGINE TYPE | Beta Built single cylinder, 2-stroke, liquid cooled, with BPV power valve system and counter balancer, electric start with back-up kick starter sold as an option |
| BORE | 66.4mm |
| STROKE | 72mm |
| DISPLACEMENT | 249cc |
| COMPRESSION RATIO | 13.2:1 |
| VALVE TRAIN | Beta Progressive Valve (BPV) |
| IGNITION | AC-CDI Kokusan |
| SPARK PLUG | NGK BR8ES |
| LUBRICATION | Pre-Mix |
| FUEL SYSTEM | Kelhin PWK 36mm |
| CLUTCH | Wet Diaphragm-style |
| TRANSMISSION | 6 Speed |
| FINAL DRIVE | O-ring chain |
| FRAME | Molybdenum steel / Double Cradle w/ quick air filter access |
| WHEELBASE | 58.3" |
| SEAT HEIGHT | 36.6" |
| GROUND CLEARANCE | 12.6" |
| FOOTREST HEIGHT | 16" |
| DRY WEIGHT | 228 lbs |
| FUEL TANK CAPACITY | 2.5 US Gallons |
| FRONT SUSPENSION | 48 mm KYB AOS closed cartridge fork, adjustable compression & rebound |
| REAR SUSPENSION | KYB 46 mm body with adjustable rebound and high/low speed on compression adjustment |
| FRONT WHEEL TRAVEL | 11.6" |
| REAR WHEEL TRAVEL | 11.4" |
| FRONT BRAKE | 260 mm floating rotor |
| REAR BRAKE | 240 mm rotor |
| FRONT/REAR RIM | 21" (Front) 18" (Rear) |
| FRONT/REAR TIRE | Maxxis |
| SPECS | *Specifications subject to change without notice. |
