Aprilia MX 125 - 2006 Specifications and Reviews

The 2006 Aprilia MX 125 is a lightweight enduro bike designed for young riders and beginners seeking an accessible entry into off-road competition. Powered by a nimble two-stroke single-cylinder engine with fuel injection, it delivers responsive performance and easy handling across varied terrain. Known for its quality suspension and reliable chassis, the MX 125 established itself as a competitive choice in the junior and amateur racing categories.

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General information

CategoryEnduro / offroad
Year2006
ModelAprilia MX 125
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemSeparate mixer, with variable flow-rate pump.
IgnitionElectronic with capacitive discharged.
Fuel systemInjection. DellOrto PHBH 28 BD
Bore x stroke54.0 x 54.6 mm (2.1 x 2.1 inches)
Compression12.0:1
Engine typeSingle cylinder, two-stroke
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions150/60-17
Front tyre dimensions110/70-17
Rear suspensionAluminium swinging fork with rectangular cross-section, fitted on frictionless bushes, single hydraulic shock absorber with piggy back, wheel travel 280 mm
Front suspension40 mm upside-down telescopic fork, wheel travel 260 mm.

Physical measures and capacities

Wheelbase1,500 mm (59.1 inches)
Ground clearance290 mm (11.4 inches)
Overall length2,180 mm (85.8 inches)
Seat height890 mm (35.0 inches) If adjustable, lowest setting.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsMatrix black
StarterKick

Performance Profile & Rider Fit

Best For

Track25%
City50%
Cornering60%
Daily Riding35%
Touring20%
Passenger15%

Rider Profile

Best ForBest suited to riders who already have some two-stroke and small-bike experience, given the peaky power delivery and tall, lightly padded seat.
PurposeThis is a supermoto-style machine built for playful, aggressive street and light off-road riding rather than long-distance travel or outright top speed.
Rider FitThe 890 mm seat height and kick-start two-stroke engine demand a fairly active, fit rider comfortable standing on pegs and revving hard to stay in the power band.
CharacterIt has the character of a nimble, high-strung supermoto hooligan bike, eager to wheelie, stoppie, and carve tight corners rather than cruise smoothly.
Not Ideal ForIt is not a good fit for riders wanting a comfortable highway tourer, a passenger-friendly bike, or a low-maintenance four-stroke commuter.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2006 Aprilia MX 125 Rider Ergonomics Assessment

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Feet:

At 890mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 Aprilia MX 125, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. 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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