Beta USA
2027 Beta 250RX
2027 Beta 250RX
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Built for Any Moto, Ready for Every Gate.
250 RX: Like the 350 version, this 2-stroke powered motocross model will appeal to all of those wanting a high-revving, lightweight 250 that can tear up berms with a distinctive sound that can only be heard from a Beta. The 250 RX also receives new engine cases along with the new cylinder, cylinder head, and exhaust. The 250 uses a single-spark head. Finally, a Beta Moto model that can run in many 250 classes.
Experienced riders love its versatility, seamlessly switching from fast tracks to technical Hard Enduro to singletrack thanks to an adaptable chassis and clicker settings that can be adjusted on the fly. Amateurs and weekend warriors appreciate the ease of use and confidence the bike delivers, keeping things comfortable even when the terrain gets demanding.
The 2-stroke range of motocross models also have been refined with updates to the following: Updated final gearing for the 250 to improve starts, New muffler that is stronger than the prior model, Dunlop MX 34 tires
By combining refined, high-revving power with a lightweight, confidence-inspiring chassis, the 250 RX is engineered to elevate the ride for everyone from seasoned competitors to weekend warriors.
ENGINE SPECIFICATION
| ENGINE TYPE | Beta Built single cylinder, 2-stroke, liquid cooled, with BPV power valve system and counter balancer, electric start |
| BORE | 66.4mm |
| STROKE | 72mm |
| DISPLACEMENT | 249.3cc |
| COMPRESSION RATIO | 14.6:1 |
| EXHAUST VALVE | Beta Progressive Valve (BPV) |
| IGNITION | AC-CDI Kokusan |
| SPARK PLUG | NGK BR8ECM |
| LUBRICATION | Pre-Mix |
| FUEL SYSTEM | Keihin PWK 38mm |
| CLUTCH | Wet Diaphragm-style |
| TRANSMISSION | 5 Speed |
| FINAL DRIVE | Non-O-ring chain |
CHASSIS SPECIFICATION
| FRAME | Molybdenum steel / Double Cradle w/ quick air filter access |
| WHEELBASE | 58.3" |
| SEAT HEIGHT | 37.3" |
| GROUND CLEARANCE | 13.4" |
| FOOTREST HEIGHT | 16.6" |
| DRY WEIGHT | 220.5 lbs |
| FUEL TANK CAPACITY | 1.85 US Gallons |
| FRONT SUSPENSION | 48 mm KYB AOS Closed Cartridge with adjustable compression & rebound |
| REAR SUSPENSION | KYB 50 mm body with adjustable rebound and high/low speed on compression adjustment |
| FRONT WHEEL TRAVEL | 12.0" |
| 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 | Dunlop Geomax MX 34 |
DOWNLOADS
*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 SUPPORT.

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