Enduro Bikes
2005Yamaha TT-R125LW
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The 2005 Yamaha TT-R125LW is the large-wheel version of Yamaha's small trail bike. Its air-cooled 123.7cc single makes 9.8 hp and 9.9 Nm through a five-speed gearbox and chain. An 805 mm seat, 84 kg wet weight and 8-litre tank suit young riders.
- Capacity
- 123.7 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Dry weight
- 78.0 kg
- Seat height
- 805 mm
- Power
- 9.8 HP (7.2 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for off-road trail riding, with enough road manners to link trails where it is road-legal.
- Built for
- An enduro bike from Yamaha with a 124cc engine; its character is easy-going and economical, with 10 hp on tap.
- Not ideal for
- Not for long road journeys, passengers or motorway riding.
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
- 9.8 HP (7.2 kW)
- Torque
- 9.9 Nm (1.0 kgf-m)
- Engine type
- Single
- Power/weight ratio
- 0.1256 HP/kg (dry)
- Bore x stroke
- 54.0 x 54.0 mm
- Compression
- 10.0:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
- Lubrication system
- Premix
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc coil spring
Dimensions & weight
- Wheelbase
- 1270 mm
- Overall length
- 1885 mm
- Overall width
- 795 mm
- Overall height
- 1085 mm
- Seat height
- 805 mm
- Dry weight
- 78.0 kg
- Wet weight
- 84.0 kg
- Fuel capacity
- 8.00 litres
- Ground clearance
- 295 mm
- Oil capacity
- 1.20 litres
Chassis & suspension
- Frame
- Diamond shaped
- Front suspension
- Telescopic fork
- Rear suspension
- Swinging arm (monocross)
- Front wheel travel
- 180 mm
- Rear wheel travel
- 168 mm
- Trail
- 107 mm
Brakes & wheels
- Front brakes
- Expanding brake
- Front brakes diameter
- 220 mm
- Rear brakes
- Expanding brake
- Rear brakes diameter
- 110 mm
- Front tyre
- 70/100-19
- Rear tyre
- 90/100-15
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 | 2002 | 2004 | 2005 | 2007 | 2009 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc | 124 cc | 124 cc |
| Dry weight | 78 kg | 78 kg | 78 kg | 78 kg | 78 kg |
| Seat height | 805 mm | 805 mm | 805 mm | 775 mm | 805 mm |
| Fuel capacity | 8 L | 8 L | 8 L | 6.6 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-R125LW?
The 2005 Yamaha TT-R125LW has a Capacity of 123.7 ccm (7.55 cubic inches).
What engine power does the Yamaha TT-R125LW have?
The 2005 Yamaha TT-R125LW has a Power of 9.8 HP (7.2 kW).
How many gears does the Yamaha TT-R125LW have?
The 2005 Yamaha TT-R125LW has a Gearbox of 5-speed.
What is the torque of the Yamaha TT-R125LW?
The 2005 Yamaha TT-R125LW has a Torque of 9.9 Nm (1.0 kgf-m or 7.3 ft.lbs).
How much does the Yamaha TT-R125LW weigh?
The 2005 Yamaha TT-R125LW has a Dry weight of 78.0 kg (172.0 pounds).
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