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Re-engineered Large Capacity 2 Strokes

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Available in both RR (standard) and Race Edition models. The RRs have oil injection and open chamber forks standard. Race Edition feature closed chamber forks, billet footpegs, and unique graphics.

 Engine Displacement (cc)
   249 / 293
 Type Two-stroke, single cylinder with case-reed induction, Beta Progressive Valve (easily adjustable powervalve)  Exhaust spigot now a separate piece.
 Bore x Stroke (mm)
  66.4 x 72 / 72 x 72
 Ignition

Kokusan CDI

 Fuel System
 Keihin PWK 36
 Clutch Hydraulic multidisc, redesigned 6-spring design
 Gearbox 6 speed with updated shifter mechanism
 Starting Electric start (lithium battery) w optional kickstart backup (starter beneath engine)
 
 
 FrameChromoly steel tubing, redesigned for improved stiffness characteristics and lower weight
 Front Suspension
48 mm Sachs w TFX Technology, 290 mm / 11.6 in travel [black legs on open chamber RR forks, red legs on closed chamber Race Edition forks]
 Rear Suspension
Progressive, Sachs shock absorber w adjustable rebound and high-and-low-speed compression, 290 mm / 11.4 in. travel 
 Front Brake
 260 mm. disc, double-piston caliper
 Rear Brake
 240 mm. disc, single-piston caliper
 Front Tire
 90 x 90 - 21" Michelin
 Rear Tire
 140 x 80 - 18" Michelin
  
 Wheelbase (mm/in)
 1481 / 58.3 (250 and 300)
 Seat Height (mm/in)
 930 / 36.6
 Minimum Ground Clearance (mm/in)
 320 / 12.6
 Fuel Capacity (l/gal)
 9.5 / 2.5 (includes reserve)
 Weight (kg/lbs)

 97 / 213 (250,300) 



Additional Features
Electronic oil injection (std on RR, optional on RE), 6 month warranty


High Performance 4 Strokes

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A new dual-injector fuel injection system provides even smoother, more manageable power. Combined with a new clutch and lighter/stronger frame, the Beta 4Ts are better than ever in 2018.


 Engine Displacement (cc)
   349/386/431/478 
 Type Beta-built single cylinder, liquid cooled 4valve 4 stroke
 Bore x Stroke (mm)
  88x57.4/88x63.4/95x60.8/100x60.8
 Ignition

DC CDI with variable ignition timing, Kokusan

 Fuel System
 Synerject 42mm dual injector EFI w adjustable stepper motor to control engine braking
 Clutch Hydraulic multidisc, redesigned with six-spring pressure plate
 Gearbox 6 speed with updated shifter components
 Starting Electric start w Kickstart backup (starter beneath engine)
 
 
 FrameChromoly steel tubing, redesigned for better flex character and lighter weight
 Front Suspension
48 mm Sachs w TFX Technology, 290 mm / 11.4 in travel [red legs on closed chamber forks for Race Editions]
 Rear Suspension
Progressive, Sachs shock absorber w adjustable rebound and high-and-low-speed compression, 290 mm / 11.4 in. travel
 Front Brake
 260 mm. disc, double-piston caliper
 Rear Brake
 240 mm. disc, single-piston caliper
 Front Tire
 90 x 90 - 21" Michelin
 Rear Tire
 140 x 80 - 18" Michelin
  
 Wheelbase (mm/in)
 1491 / 58.7
 Seat Height (mm/in)
 935 / 36.8
 Minimum Ground Clearance (mm/in)
 320 / 12.6
 Fuel Capacity (l/gal)
 8 / 2.1 (includes reserve)
 Weight (kg/lbs)

 102.3 / 225.3 [new engine castings and internals reduce weight, increase strength]



Additional Features
Enduro instrumentation, 6 month warranty


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Street Legal 4 Stroke RR-s

The RR-s models retain the fantastic powertrains from 2017 that make them street legal in all 50 states. A new clutch and redesigned frame highlight the changes for 2018. The Trail Tech Voyager GPS sets the industry standard for OE GPS systems. A 12 month warranty provides even more peace of mind.

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A Whole New 125 for a Whole New Generation of Riders

Designed from the ground up as a lightweight and powerful enduro champion, the new 125 RR debuts in February of 2018. Slightly smaller than the 250 and 300, the new 125 is sure to please novice and experienced riders alike.

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