The 2007 Yamaha PW80 is a lightweight enduro bike designed for young riders and beginners learning off-road skills. Its air-cooled 79cc single-cylinder engine delivers manageable power with automatic oil mixing via Yamaha Autolube, while the simple kick-start ignition and carbureted fuel system ensure reliability and easy maintenance on the trail.
Editorial estimate from the spec sheet - not lab tested
Off-road & trail45%
Cornering20%
City riding15%
Daily riding10%
Touring5%
Two-up0%
Track5%
Best for
Built purely as an entry-level youth trail bike for supervised riding on dirt trails, yards, and easy off-road terrain, not for adult transportation or road use.
Built for
A simple, forgiving, low-power two-stroke trainer bike with a semi-automatic clutch designed to build confidence rather than deliver performance.
Not ideal for
It is not suitable for adult riders, highway or city road use, touring, passengers, or anyone seeking real speed or power.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Full specifications
Engine
Capacity
79.0 ccm
Power
4.4 HP (3.2 kW)
Torque
6.3 Nm (0.6 kgf-m)
Engine type
Single, two-stroke
Power/weight ratio
0.0772 HP/kg (dry)
Bore x stroke
47.0 x 45.6 mm
Compression
6.6:1
Cooling system
Air
Fuel system
Carburettor
Starting
Kick
Ignition
CDI
Valves per cylinder
1
Lubrication system
Yamaha Autolube
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, multiple-disc and automatic
Dimensions & weight
Wheelbase
1055 mm
Overall length
1540 mm
Overall width
640 mm
Overall height
880 mm
Seat height
635 mm
Dry weight
57.0 kg
Wet weight
61.0 kg
Fuel capacity
4.90 litres
Ground clearance
185 mm
Oil capacity
0.70 litres
Chassis & suspension
Frame
Steel tube backbone
Front suspension
Telescopic forks
Rear suspension
Swingarm (monocross)
Front wheel travel
110 mm
Rear wheel travel
95 mm
Trail
62 mm
Brakes & wheels
Front brakes
Expanding brake (drum brake)
Front brakes diameter
95 mm
Rear brakes
Expanding brake (drum brake)
Rear brakes diameter
110 mm
Front tyre
70/90-M17
Rear tyre
90/90-M14
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
2007
2008
2010
2011
2012
Capacity
79 cc
79 cc
79 cc
79 cc
79 cc
Dry weight
57 kg
57 kg
57 kg
57 kg
57 kg
Seat height
635 mm
635 mm
635 mm
635 mm
635 mm
Fuel capacity
4.9 L
4.9 L
4.9 L
5 L
5 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 PW80?
The 2007 Yamaha PW80 has a Capacity of 79.0 ccm (4.82 cubic inches).
What engine power does the Yamaha PW80 have?
The 2007 Yamaha PW80 has a Power of 4.4 HP (3.2 kW).
How many gears does the Yamaha PW80 have?
The 2007 Yamaha PW80 has a Gearbox of 5-speed.
What is the torque of the Yamaha PW80?
The 2007 Yamaha PW80 has a Torque of 6.3 Nm (0.6 kgf-m or 4.6 ft.lbs).
How much does the Yamaha PW80 weigh?
The 2007 Yamaha PW80 has a Dry weight of 57.0 kg (125.7 pounds).
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