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Technical Overview
2010 Beta RE 125 4T Technical Analysis & Specification Breakdown
Positioned in Beta's enduro - offroad motorcycle lineup, the 2010 Beta RE 125 4T features a 124 cc (7.6 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 54.0 x 54.0 mm (2.1 x 2.1 inches) with a 10.0:1 compression ratio.
On the scales, the RE 125 4T measures 110 kg (243 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 890 mm (35 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,370 mm (53.9 in) wheelbase engineered for quick, flickable steering geometry. The 5.7-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
890 mm (35 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Compression10.0:1
Bore x Stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Fuel SystemCarburettor
Fuel ControlOverhead Cams (OHC)
LubricationForced with pump
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet multi-plate
Chassis
Front SuspensionHydraulic fork
Front Travel240 mm (9.4 inches)
Rear SuspensionMonoshock with adjustable spring preload
Rear Travel205 mm (8.1 inches)
Wheelbase1370 mm (53.9 inches)
Ground Clearance292 mm (11.5 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre120/80-18
Front BrakesSingle disc
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight103.0 kg (227.1 pounds)
Weight incl.110.0 kg (242.5 pounds)
Seat Height890 mm (35.0 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.
