Enduro Bikes

2003Yamaha TW 125

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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.

Capacity: 124.0 ccm
Engine: Single
Gearbox: 5-speed
Dry weight: 118.0 kg
Seat height: 805 mm
Power: 11.8 HP (8.7 kW)

⇄ Compare with another bike All model years

What’s new for the 2003 Yamaha TW 125

vs the 2002

Spec	2002	2003
Power	12.0 HP (8.8 kW) @ 9000 RPM	11.8 HP (8.7 kW)
Torque	9.7 Nm (1.0 kgf-m or 7.2 ft.lbs)	9.8 Nm (1.0 kgf-m or 7.2 ft.lbs)
Rear brakes	Expanding brake	not listed
Wheelbase	1350 mm (53.1 inches)	1280 mm (50.4 inches)

Other years 2000 2001 2002 2003 2004

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail45%

Cornering35%

City riding60%

Daily riding45%

Touring15%

Two-up15%

Track5%

Best for: Designed as a quirky, low-speed fun bike for light trail exploration and easy urban runabout duties rather than serious performance.
Built for: A distinctive, playful little machine known for its oversized balloon tires and go-anywhere charm rather than outright capability.
Not ideal for: Not suited for highway travel, long-distance touring, or riders seeking real off-road performance or two-up comfort.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 805mm, a rider of 68.9" with a 31" (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.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine

Capacity: 124.0 ccm
Power: 11.8 HP (8.7 kW)
Torque: 9.8 Nm (1.0 kgf-m)
Engine type: Single
Power/weight ratio: 0.1000 HP/kg
Bore x stroke: 57.0 x 48.8 mm
Compression: 10.0:1
Cooling system: Air
Fuel system: Carburettor
Valves per cylinder: 2

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain

Dimensions & weight

Wheelbase: 1280 mm
Overall length: 2135 mm
Overall width: 820 mm
Overall height: 1120 mm
Seat height: 805 mm
Dry weight: 118.0 kg
Fuel capacity: 7.00 litres
Ground clearance: 260 mm

Chassis & suspension

Front suspension: Telescopic forks
Rear suspension: Swingarm Monocross
Front wheel travel: 150 mm
Rear wheel travel: 150 mm

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 220 mm
Rear brakes diameter: 130 mm

Other

Color options: Silver, Yellow, Blue

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2000	2001	2002	2003	2004
Capacity	124.00 ccm (7.57 cubic inches)	125.00 ccm (7.63 cubic inches)	124.00 ccm (7.57 cubic inches)	124.00 ccm (7.57 cubic inches)	124.00 ccm (7.57 cubic inches)
Dry weight	118.0 kg (260.1 pounds)	118.0 kg (260.1 pounds)	118.0 kg (260.1 pounds)	118.0 kg (260.1 pounds)	118.0 kg (260.1 pounds)
Seat height	805 mm (31.7 inches)	815 mm (32.1 inches)	805 mm (31.7 inches)	805 mm (31.7 inches)	805 mm (31.7 inches)
Fuel capacity	7.00 litres (1.85 gallons)	7.00 litres (1.85 gallons)	—	7.00 litres (1.85 gallons)	—
Color options	—	—	—	Silver, Yellow, Blue	Silver Ice, Extreme yellow,