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Technical Overview
2020 Beta RR 50 Sport Technical Analysis & Specification Breakdown
At the heart of the 2020 Beta RR 50 Sport enduro - offroad motorcycle, Beta utilizes a 49.7 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. Internal engine geometry specifies a bore and stroke of 40.3 x 39.0 mm (1.6 x 1.5 inches) with a 12.0:1 compression ratio.
On the scales, the RR 50 Sport measures 85 kg (187 lbs) dry. Rider ergonomics and chassis geometry center around a 935 mm (36.8 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,415 mm (55.7 in) wheelbase engineered for quick, flickable steering geometry. The 6.5-liter (1.7 US gal) fuel tank paired with a rated consumption of 3.4 L/100 km provides an estimated theoretical range of roughly 191 km (119 miles) between fill-ups.
Theoretical Range
~191 km (119 mi)
Engine
Displacement49.7 ccm (3.03 cubic inches)
Engine TypeSingle cylinder, two-stroke
Compression12.0:1
Bore x Stroke40.3 x 39.0 mm (1.6 x 1.5 inches)
Fuel SystemCarburettor. Dell´Orto PHBN 16 HS
IgnitionElectronic ignition
LubricationWet sump
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchWet multi-disc clutch
Performance
Fuel Consumption3.40 litres/100 km (29.4 km/l or 69.18 mpg)
Greenhouse Gases78.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeSteel double cradle frame
Front SuspensionHydraulic fork with ø41 mm shaft
Rear SuspensionMonoshock with adjustable spring preload
Wheelbase1415 mm (55.7 inches)
Ground Clearance350 mm (13.8 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre120/90-18
Front BrakesSingle disc
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight85.0 kg (187.4 pounds)
Seat Height935 mm (36.8 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
