Enduro Bikes
2004Yamaha TT-R125
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The 2004 Yamaha TT-R125 is a lightweight enduro bike designed for beginner and recreational off-road riders. Its compact 123cc air-cooled engine delivers manageable power and torque, while the low 775mm seat height and 84kg dry weight make it accessible for younger and smaller riders. Known for reliability and easy handling, it excels as an entry-level trail bike and training platform.
- Capacity
- 123.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 3-speed
- Dry weight
- 84.0 kg
- Seat height
- 775 mm
- Power
- 9.7 HP (7.1 kW) @ 8000 RPM
Other years
2004
2005
2006
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a light trail and recreational off-road bike for casual dirt riding rather than speed or long distances.
- Built for
- A simple, forgiving, low-stress little trail bike that rewards smooth, easygoing riding over aggression.
- Not ideal for
- Not suitable for highway travel, two-up touring, or riders seeking strong power and high-speed performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 123.7 ccm
- Power
- 9.7 HP (7.1 kW) @ 8000 RPM
- Torque
- 9.9 Nm (1.0 kgf-m)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1155 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.0 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Ignition
- CDI
- Valves per cylinder
- 2
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 3-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1250 mm
- Overall length
- 1830 mm
- Overall width
- 785 mm
- Overall height
- 1055 mm
- Seat height
- 775 mm
- Dry weight
- 84.0 kg
- Wet weight
- 89.8 kg
- Fuel capacity
- 6.60 litres
- Ground clearance
- 265 mm
- Oil capacity
- 1.20 litres
Chassis & suspension
- Frame
- Front suspension system
- Front suspension
- Telescopic fork
- Rear suspension
- Swinging arm (monocross)
- Front wheel travel
- 180 mm
- Rear wheel travel
- 160 mm
- Rake (fork angle)
- 28.0°
- Trail
- 107 mm
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Front brakes diameter
- 110 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 110 mm
- Front tyre
- 70/100-17
- Rear tyre
- 90/100-14
Other
- Color options
- Racing 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 | 2004 | 2010 | 2016 | 2021 | 2026 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc | 124 cc | 124 cc |
| Dry weight | 84 kg | 84 kg | 84 kg | 84 kg | 84 kg |
| Seat height | 775 mm | 775 mm | 775 mm | 775 mm | 805 mm |
| Fuel capacity | 6.6 L | 6.1 L | 6.1 L | 6.1 L | 6 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha TT-R125?
The 2004 Yamaha TT-R125 has a Capacity of 123.7 ccm (7.55 cubic inches).
What engine power does the Yamaha TT-R125 have?
The 2004 Yamaha TT-R125 has a Power of 9.7 HP (7.1 kW) @ 8000 RPM.
How many gears does the Yamaha TT-R125 have?
The 2004 Yamaha TT-R125 has a Gearbox of 3-speed.
What is the torque of the Yamaha TT-R125?
The 2004 Yamaha TT-R125 has a Torque of 9.9 Nm (1.0 kgf-m or 7.3 ft.lbs).
How much does the Yamaha TT-R125 weigh?
The 2004 Yamaha TT-R125 has a Dry weight of 84.0 kg (185.2 pounds).
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