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Enduro Bikes

2009Yamaha TT-R125LW

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The 2009 Yamaha TT-R125LW is a lightweight enduro bike designed for beginner and intermediate off-road riders. Known for its reliable 123cc single-cylinder engine and forgiving handling characteristics, it excels as an entry-level trail bike combining simplicity with sufficient performance for recreational riding and skill development.

Capacity
123.7 ccm
Engine
Single
Gearbox
5-speed
Dry weight
78.0 kg
Seat height
805 mm
Power
9.7 HP (7.1 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2009 Yamaha TT-R125LW

vs the 2007
Spec20072009
Power 9.7 HP (7.1 kW) @ 8000 RPM 9.7 HP (7.1 kW)
Seat height 775 mm (30.5 inches) 805 mm (31.7 inches)
Fuel capacity 6.60 litres (1.74 US gallons) 6.00 litres (1.59 US gallons)
Front suspension Telescopic fork Telescopic forks
Wheelbase 1250 mm (49.2 inches) 1270 mm (50.0 inches)
Other years 2002 2003 2004 2005 2006 2007 2009

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 10Agility 78Comfort 30Off-road 72Touring 10Road manners 15
Off-road & trail72%
Cornering25%
City riding20%
Daily riding15%
Touring5%
Two-up5%
Track5%
Best for
Built for light trail riding, dirt paths, and low-speed off-road exploration rather than any road use.
Built for
A simple, forgiving, and lightweight play bike with modest power and easy-going manners.
Not ideal for
It is not suitable for highway travel, long-distance touring, or riders seeking speed and power.

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 us
At 805mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2009 Yamaha TT-R125LW, 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
123.7 ccm
Power
9.7 HP (7.1 kW)
Torque
9.9 Nm (1.0 kgf-m)
Engine type
Single
Power/weight ratio
0.1244 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 (digital)
Lubrication system
Wet sump
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
6.00 litres
Ground clearance
295 mm
Oil capacity
1.20 litres
Chassis & suspension
Frame
Diamond shaped
Front suspension
Telescopic forks
Rear suspension
Swingarm (link suspension)
Front wheel travel
180 mm
Rear wheel travel
168 mm
Trail
107 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
220 mm
Rear brakes
Expanding brake (drum brake)
Rear brakes diameter
110 mm
Front tyre
70/100-19
Rear tyre
90/100-16
Other
Color options
Blue

Specs last verified against published sources: .

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 20022004200520072009
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.

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Common questions

What is the engine size of the Yamaha TT-R125LW?

The 2009 Yamaha TT-R125LW has a Capacity of 123.7 ccm (7.55 cubic inches).

What engine power does the Yamaha TT-R125LW have?

The 2009 Yamaha TT-R125LW has a Power of 9.7 HP (7.1 kW).

How many gears does the Yamaha TT-R125LW have?

The 2009 Yamaha TT-R125LW has a Gearbox of 5-speed.

What is the torque of the Yamaha TT-R125LW?

The 2009 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 2009 Yamaha TT-R125LW has a Dry weight of 78.0 kg (172.0 pounds).

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