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Aprilia SX 125 - 2008 Specifications and Reviews

The 2008 Aprilia SX 125 is a lightweight motocross bike designed for young riders and beginners entering competitive off-road racing. Its 124cc single-cylinder engine delivers accessible power while the liquid-cooled design ensures reliable performance during training and amateur competition. Known for its nimble handling and affordability, the SX 125 remains a popular entry-level choice for aspiring motocross racers.

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General information

CategoryCross / motocross
Year2008
ModelAprilia SX 125
 
 

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
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 length2,165 mm (85.2 inches)
Overall height1,390 mm (54.7 inches)
Seat height870 mm (34.3 inches) If adjustable, lowest setting.
Dry weight115.0 kg (253.5 pounds)

Aprilia SX 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 dimensions150/60-17
Front tyre dimensions110/70-17
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

Reserve fuel capacity1.30 litres (0.34 gallons)
Fuel capacity10.00 litres (2.64 gallons)

Rider Reviews

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