2027 BETA RX

THE NEW BETA RX RANGE 2027!

2027 BETA RX

Beta RX 450 4T MY27 - Image 1

Beta RX 450 4T MY27

THE NEW BETA RX RANGE 2027!

TBC
  • Beta’s ultimate expression of 4-stroke power in the cross world has evolved. The RX 450 4T features an aggressive red and black livery and updated electronics, with a new control panel integrated into the handlebar guard, to better manage its powerful thrust in all racing conditions.
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Tech Specs

Beta RX 450 4-Stroke

Technical Specifications

Chassis

SpecificationValue
FrameMolybdenum steel with a split double engine cradle above the exhaust port
Wheelbase1475 mm
Max Length2170 mm
Max Width830 mm
Max Height1270 mm
Seat Height945 mm
Ground Clearance335 mm
Footrest Height422 mm
Dry Weight104.5 kg (front 51.4 kg; rear 53.1 kg)
Fuel Tank Capacity7.0 l
Reserve1.4 l
Front SuspensionKayaba sealed hydraulic cartridge front fork ø 48 mm fork tubes
Rear SuspensionKayaba Monoshock with progressive compound lever ø 50 mm
Shock Absorber Stroke133 mm
Front Wheel Travel305 mm
Rear Wheel Travel300 mm
Front BrakeWave disc ø260 mm and double-piston floating caliper
Rear BrakeWave disc ø240 mm and single-piston floating caliper
Front Rim21 x 1.6 - 36 holes
Rear Rim19 x 2.15 - 36 holes
Front Tyre80/100 - 21
Rear Tyre110/90 - 19

Engine

SpecificationValue
TypeSingle cylinder, 4-stroke, liquid-cooled
Bore97 mm
Stroke60.8 mm
Displacement449.3 cc
Compression Ratio13.5:1
Valve TrainDOHC finger-follower camshafts / 4 valves
StarterElectric starter
GeneratorMitsuba
Spark PlugNGK BR8ECM
LubricationMixing
CarburettorNGK LKAR 8A-9
ClutchMulti-disk wet clutch with oil bath
Primary DriveZ.31/72
Transmission5 gears
Final TransmissionChain
Gearbox OilSAE 10W/50 0.8 l. + SAE 10W/40 0.8 l.

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About John Lee Motorcycles

John started work in the Motorcycle Trade in 1955, working for 2 large London Dealers for 10 years. His ambition was to own his own dealership, so moved to Northamptonshire and purchased the shop where we are today in Higham Ferrers, that was 1964.

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