Yamaha TT-R 125 LW - 2002 Specifications and Reviews

The 2002 Yamaha TT-R 125 LW is an entry-level motocross bike designed for young riders and beginners seeking their first off-road experience. Its compact 123cc air-cooled engine delivers modest power suited to developing fundamental skills, while the lightweight 78kg chassis and low 805mm seat height ensure accessibility and confidence-building handling characteristics.

2002
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General information

CategoryCross / motocross
Year2002
ModelYamaha TT-R 125 LW

Engine and Transmission Specifications

Cooling systemAir
Fuel controlSOHC
Bore x stroke54.0 x 54.0 mm (2.1 x 2.1 inches)
Compression10.0:1
Torque9.85
Power9.80
Stroke4
Engine typeSingle cylinder
Capacity:123.70 ccm (7.55 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,270 mm (50.0 inches)
Ground clearance295 mm (11.6 inches)
Overall width795 mm (31.3 inches)
Overall length1,885 mm (74.2 inches)
Overall height1,085 mm (42.7 inches)
Seat height805 mm (31.7 inches) If adjustable, lowest setting.
Dry weight78.0 kg (172.0 pounds)
 
 

Yamaha TT-R 125 LW dimensions and frame

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake
Front brakes diameter220 mm (8.7 inches)
Front brakesExpanding brake
Rear tyre dimensions90/100-15
Front tyre dimensions70/100-19
Rear suspension travel168 mm (6.6 inches)
Front suspension travel180 mm (7.1 inches)

Speed and acceleration

Power/weight ratio0.1256 HP/kg

Other specs

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Rider Fit Visualizer

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

Feet:

At 805mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2002 Yamaha TT-R 125 LW, 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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