Whereas we’re ready with bated breath for the upcoming Beta 450cc four-stroke motocrosser, it’s value remembering that Beta already has a two-stroke motocross bike. The 2023 Beta 300 RX has only one replace this yr, but it surely’s an enormous one—the Sachs ZF shock is gone, changed by a KYB C46 shock to match the KYB AOS fork. Not merely an off-the-shelf KYB, Beta labored with KYB to optimize the brand new C46 shock to work with the KYB AOS closed-cartridge fork and the motocross chassis.
The 2023 Beta 300 RX’s retains its purpose-built 293cc two-stroke motor fed by a 38mm Keihin PXK carburetor. It contains a smaller crankshaft and a sq. 72mm x 72mm bore-and-stroke with motocross monitor efficiency in thoughts. Though it has electrical begin, there isn’t a oil injection—you’ll be working premix. The adjustable energy valve additionally options progressive actuation. Weight with the two.5-gallon gasoline tank topped off is 235 kilos.Beta positions the 300 RX as a motocross vet-class competitors bike that may also be utilized by off-road riders.
The 2023 Beta 300 RX will hit supplier flooring in November and have a $9399 price ticket—up simply $200 from final yr. 2023 Beta 300 RX SpecsENGINE
- Sort: Single-cylinder 2-stroke w/ counterbalancer
- Displacement: 293cc
- Bore x stroke: 72 x 72mm
- Compression ratio: 11.6:1
- Induction: V-Power case reed
- Fueling: Keihin 38mm PXK
- Exhaust: Adjustable energy valve w/ Arrow enlargement chamber
- Beginning: Electrical (optionally available backup kickstarter)
- Lubrication: Premix
- Transmission: 6-speed
- Clutch: Moist diaphragm-style
- Remaining drive: O-ring chain
CHASSIS
- Body: Double-cradle chromoly metal
- Entrance suspension; journey: Compression- and rebound-damping adjustable 48mm inverted KYB AOS closed-cartridge fork; 11.6 inches
- Rear suspension; journey: Linkage-assisted totally adjustable KYB C46 piggyback-reservoir shock; 11.4 inches
- Rims: Excel Takasago
- Tires: Michelin StarCross 5 Medium
- Entrance tire: 90/90 x 21
- Rear tire: 120/80 x 19
- Entrance brake: 260mm Galfer rotor w/ 4-piston Nissin caliper
- Rear brake: 240mm Galfer rotor w/ 2-piston Nissin caliper
DIMENSIONS and CAPACITIES
- Wheelbase: 58.6 inches
- Seat top: 37 inches
- Floor clearance: 13.3 inches
- Gas tank capability: 2.5 gallons
- Moist weight: 235 kilos
2023 Beta 300 RR Worth: $9399 MSRP



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