Minibikes
2005Yamaha PW80
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The 2005 Yamaha PW 80 is a compact minibike designed for young riders and beginners learning off-road skills. Its lightweight 79cc air-cooled engine and low 635mm seat height make it accessible and manageable for smaller pilots. Known for reliability and ease of use, the PW 80 remains a popular entry-level machine for children transitioning to serious dirt biking.
- Capacity
- 79.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 3-speed
- Dry weight
- 57.0 kg
- Seat height
- 635 mm
- Power
- 4.7 HP (3.5 kW)
What’s new for the 2005 Yamaha PW80
vs the 2004| Spec | 2004 | 2005 |
|---|---|---|
| Rear suspension | Monocross | Single shock |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is built purely for supervised backyard, trail, and dirt-lot riding rather than any kind of speed or road use.
- Built for
- It is a gentle, forgiving little machine with soft power delivery designed to build confidence rather than thrill seasoned riders.
- Not ideal for
- It is not suitable for adults, highway travel, touring, or anyone seeking real performance or speed.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 79.0 ccm
- Power
- 4.7 HP (3.5 kW)
- Torque
- 6.3 Nm (0.6 kgf-m)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0825 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
- Lubrication system
- Yamaha Autolube
Transmission
- Gearbox
- 3-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multiple-disc and automatic
Dimensions & weight
- Wheelbase
- 1054 mm
- Overall length
- 1539 mm
- Overall width
- 640 mm
- Overall height
- 879 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 fork
- Rear suspension
- Single shock
- Front wheel travel
- 109 mm
- Rear wheel travel
- 94 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
- 2.50-12
- Rear tyre
- 3.00-12
Other
- Color options
- Team Yamaha Blue/White
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 | 2002 | 2005 | 2007 | 2010 | 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 | 4.9 L | 5 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 PW80?
The 2005 Yamaha PW80 has a Capacity of 79.0 ccm (4.82 cubic inches).
What engine power does the Yamaha PW80 have?
The 2005 Yamaha PW80 has a Power of 4.7 HP (3.5 kW).
How many gears does the Yamaha PW80 have?
The 2005 Yamaha PW80 has a Gearbox of 3-speed.
What is the torque of the Yamaha PW80?
The 2005 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 2005 Yamaha PW80 has a Dry weight of 57.0 kg (125.7 pounds).
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