Aprilia RX 125 - 2008 Specifications and Reviews

The 2008 Aprilia RX 125 is a lightweight enduro machine designed for novice and amateur off-road riders seeking affordable trail capability. Its compact 124cc single-cylinder engine delivers manageable power with 12.2 Nm torque, while liquid cooling and electronic ignition ensure reliability. Best suited for beginners, this model excels in cross-country riding and casual off-road adventures.

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General information

CategoryEnduro / offroad
ModelAprilia RX 125
Year2008

Engine and Transmission Specifications

Transmission typefinal driveChain
Cooling systemLiquid
Lubrication systemMiscelazione separated with volumetric pump and variable capacity
StarterKick
IgnitionElectronics to capacitive discharge CDI
Fuel systemCarburettor. Dell carburetor and #146; Garden VHST 28
Bore x stroke54.0 x 0.0 mm (2.1 x inches)
Compression12.5:1
Torque12.20
Stroke2
Engine typeSingle cylinder
Capacity:124.80 ccm (7.62 cubic inches)
 
 

Physical measures and capacities

Overall width850 mm (33.5 inches)
Overall length2,255 mm (88.8 inches)
Overall height1,415 mm (55.7 inches)
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight116.0 kg (255.7 pounds)

Aprilia RX 125 dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc. floating clamp to single pistoncino
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc. floating clamp to double quantity pistoncino parallel
Rear tyre dimensions120/90-18
Front tyre dimensions90/90-21
Rear suspension travel270 mm (10.6 inches)
Rear suspensionOscillating Forcellone in steel, hydraulic monoshock-absorber with piggy-back, excursion rotates 270mm
Front suspension travel260 mm (10.2 inches)
Front suspensionTeleidraulica staple to steles turned upside down from 40mm, excursion rotates 260mm
Frame typeChassis in steel to high resistenziale with double beam to attice and double crib with reggisella decomposable
 
 

Speed and acceleration

Top speed115.0 km/h (71.5 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsOff White
Reserve fuel capacity1.30 litres (0.34 gallons)
Fuel capacity10.00 litres (2.64 gallons)

Rider Fit Visualizer

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Feet:

At 925mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 Aprilia RX 125, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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