Yamaha TW 125 - 2003 Specifications and Reviews

The 2003 Yamaha TW 125 is a lightweight enduro designed for novice and recreational riders seeking affordable off-road capability. Its compact 124cc single-cylinder engine and 118kg weight make it ideal for trail exploration and urban commuting. Best known for reliability and approachable handling, it suits riders valuing simplicity and low maintenance over performance.

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General information

CategoryEnduro / offroad
Year2003
ModelYamaha TW 125
 
 

Engine and Transmission Specifications

Torque9.80
Power11.80
Stroke4
Engine typeSingle cylinder
Capacity:124.00 ccm (7.57 cubic inches)

Physical measures and capacities

Wheelbase1,280 mm (50.4 inches)
Seat height805 mm (31.7 inches) If adjustable, lowest setting.
Dry weight118.0 kg (260.1 pounds)

Yamaha TW 125 dimensions and frame

Power/weight ratio0.1000 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsSilver, Yellow, Blue
Fuel capacity7.00 litres (1.85 gallons)

Performance Profile & Rider Fit

11.8 hp
Peak Power

Best For

Track5%
City60%
Cornering35%
Daily Riding45%
Touring15%
Passenger15%

Rider Profile

Best ForWell suited to beginners or casual riders due to its low power output and light, manageable chassis.
PurposeDesigned as a quirky, low-speed fun bike for light trail exploration and easy urban runabout duties rather than serious performance.
Rider FitIts low seat height, light dry weight, and narrow single-cylinder power delivery make it very approachable for shorter or less experienced riders.
CharacterA distinctive, playful little machine known for its oversized balloon tires and go-anywhere charm rather than outright capability.
Not Ideal ForNot suited for highway travel, long-distance touring, or riders seeking real off-road performance or two-up comfort.

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

Rider Fit Visualizer

2003 Yamaha TW 125 Rider Ergonomics Assessment

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Feet:

At 805mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2003 Yamaha TW 125, with a cramped knee angle of around 70 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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