Minibikes
2004Yamaha PW 50
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The 2004 Yamaha PW 50 is an entry-level minibike designed for young riders and beginners learning fundamental motorcycle skills. Its lightweight frame, automatic transmission, and manageable 49cc engine make it ideal for closed courses and controlled environments. The PW 50 is best known for its reliability and role as a stepping stone in youth motorcycle training programs.
- Capacity
- 49.0 ccm
- Engine
- Single single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 37.0 kg
- Seat height
- 485 mm
- Power
- 2.7 HP
What’s new for the 2004 Yamaha PW 50
vs the 2003| Spec | 2003 | 2004 |
|---|---|---|
| Engine capacity | 49.00 ccm (2.99 cubic inches) | 49.0 ccm (2.99 cubic inches) |
| Power | 2.70 HP | 2.7 HP |
| Torque | 3.80 | 3.8 Nm (0.4 kgf-m or 2.8 ft.lbs) |
| Front suspension | — | Telescopic fork |
| Rear suspension | — | Unit swing |
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
| Compression | 6.6:1 | 6.0:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely to teach small kids basic throttle and balance control in a low-speed, low-risk offroad setting like a yard or gentle trail.
- Built for
- It has a gentle, forgiving personality with a tame single-cylinder engine, automatic clutchless operation, and simple drum brakes suited to supervised beginner use.
- Not ideal for
- It is not suitable for adults, teenagers, highway or trail riding at speed, or anyone seeking real touring, cornering, or performance capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.0 ccm
- Power
- 2.7 HP
- Torque
- 3.8 Nm (0.4 kgf-m)
- Engine type
- Single single, four-stroke
- Power/weight ratio
- 0.0730 HP/kg
- Bore x stroke
- 40.0 x 39.2 mm
- Compression
- 6.0:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Valves per cylinder
- 1
Transmission
- Transmission type
- Automatic
- Final drive
- Chain
- Clutch
- Wet centrifugal automatic clutch
Dimensions & weight
- Wheelbase
- 855 mm
- Overall length
- 1245 mm
- Overall width
- 795 mm
- Overall height
- 715 mm
- Seat height
- 485 mm
- Dry weight
- 37.0 kg
- Ground clearance
- 105 mm
Chassis & suspension
- Front suspension
- Telescopic fork
- Rear suspension
- Unit swing
- Front wheel travel
- 60 mm
- Rear wheel travel
- 50 mm
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
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 | 2003 | 2004 | 2005 | 2006 | 2007 |
|---|---|---|---|---|---|---|
| Capacity | 49.00 ccm (2.99 cubic inches) | 49.00 ccm (2.99 cubic inches) | 49.00 ccm (2.99 cubic inches) | 49.00 ccm (2.99 cubic inches) | 49.00 ccm (2.99 cubic inches) | 49.00 ccm (2.99 cubic inches) |
| Dry weight | 37.0 kg (81.6 pounds) | 37.0 kg (81.6 pounds) | 37.0 kg (81.6 pounds) | — | 37.0 kg (81.6 pounds) | 37.2 kg (82.0 pounds) |
| Seat height | 485 mm (19.1 inches) | 485 mm (19.1 inches) | 485 mm (19.1 inches) | 485 mm (19.1 inches) | 485 mm (19.1 inches) | 485 mm (19.1 inches) |
| Fuel capacity | — | — | — | 1.89 litres (0.50 gallons) | 8.00 litres (2.11 gallons) | 1.89 litres (0.50 gallons) |
| Color options | — | — | — | Team Yamaha Blue/White | — | — |
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 PW 50?
The 2004 Yamaha PW 50 has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Yamaha PW 50 have?
The 2004 Yamaha PW 50 has a Power of 2.7 HP.
What is the torque of the Yamaha PW 50?
The 2004 Yamaha PW 50 has a Torque of 3.8 Nm (0.4 kgf-m or 2.8 ft.lbs).
How much does the Yamaha PW 50 weigh?
The 2004 Yamaha PW 50 has a Dry weight of 37.0 kg (81.6 pounds).
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