Yamaha DT 125 - 2003 Specifications and Reviews

The 2003 Yamaha DT 125 is a lightweight enduro designed for novice and recreational off-road riders seeking an affordable, easy-to-handle machine. Its compact 124cc single-cylinder engine delivers modest power suited to trail riding and learning fundamentals. Known for reliability and low seat height, it excels as an entry-level dirt bike for younger and smaller-framed riders.

2003
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General information

CategoryEnduro / offroad
Year2003
ModelYamaha DT 125
 
 

Engine and Transmission Specifications

Torque14.20
Power13.90
Stroke2
Engine typeSingle cylinder
Capacity:124.00 ccm (7.57 cubic inches)

Physical measures and capacities

Wheelbase1,415 mm (55.7 inches)
Seat height855 mm (33.7 inches) If adjustable, lowest setting.
Dry weight116.0 kg (255.7 pounds)

Yamaha DT 125 dimensions and frame

Power/weight ratio0.1198 HP/kg
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlue, Black
Fuel capacity10.00 litres (2.64 gallons)

Performance Profile & Rider Fit

13.9 hp
Peak Power

Best For

Track15%
City55%
Cornering60%
Daily Riding40%
Touring20%
Passenger15%

Rider Profile

Best ForWell suited to beginner and intermediate riders thanks to its light weight and modest power output.
PurposeBuilt primarily for trail riding, light offroad exploration, and nimble urban commuting rather than outright speed.
Rider FitThe low dry weight and manageable seat height make it accessible to smaller or less experienced riders, though the tall-ish seat may challenge shorter riders offroad.
CharacterA playful, lightweight two-stroke enduro that rewards throttle finesse and rewards riders who enjoy revving a small engine hard.
Not Ideal ForNot suited to riders wanting sustained highway speeds, long-distance touring comfort, or carrying a passenger.

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

Rider Fit Visualizer

2003 Yamaha DT 125 Rider Ergonomics Assessment

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

Feet:

At 855mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2003 Yamaha DT 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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