AJS YX-R-125 - 2008 Specifications and Reviews

The 2008 AJS YX-R-125 is a lightweight enduro bike designed for entry-level and recreational off-road riders. Its nimble 125cc air-cooled single-cylinder engine and 275-pound weight make it ideal for trail riding and learners seeking an affordable, easy-to-handle machine with practical electric starting and fuel injection.

2008
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General information

CategoryEnduro / offroad
Year2008
ModelAJS YX-R-125

Engine and Transmission Specifications

ClutchWet, multiplate
Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
StarterElectric & kick
IgnitionCoil CDI
Fuel systemInjection
Bore x stroke57.0 x 48.8 mm (2.2 x 1.9 inches)
Stroke4
Engine typeSingle cylinder
Capacity:124.00 ccm (7.57 cubic inches)

Physical measures and capacities

Wheelbase1,434 mm (56.5 inches)
Seat height865 mm (34.1 inches) If adjustable, lowest setting.
Dry weight125.0 kg (275.6 pounds)
 
 

AJS YX-R-125 dimensions and frame

Rear brakesExpanding brake (drum brake)
Front brakesSingle disc

Speed and acceleration

Fuel capacity8.00 litres (2.11 gallons)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track15%
City50%
Cornering45%
Daily Riding40%
Touring20%
Passenger15%

Rider Profile

Best ForWell suited to beginners and learner-permit riders due to its small displacement and light, manageable weight.
PurposeDesigned for light trail riding, commuting, and general low-speed enduro-style use rather than performance or distance.
Rider FitIts tall-ish seat height combined with a light dry weight makes it accessible to riders of average or smaller stature who can still handle standing on pegs off-road.
CharacterA simple, low-stress, budget-friendly enduro machine that favors approachability and easy handling over outright power.
Not Ideal ForNot suitable for riders seeking highway speed, long-distance touring comfort, or serious technical off-road performance.

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

Rider Fit Visualizer

2008 AJS YX-R-125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 865mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2008 AJS YX-R-125, with a cramped knee angle of around 75 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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