Yamaha PW50

Yamaha PW50

Manufacturer	Yamaha
Production	1980–present
Class	50cc minibke
Engine	49 cc (3.0 cu in), single-cylinder, 2-stroke
Bore / stroke	40 mm × 39.2 mm (1.57 in × 1.54 in)
Power	2.5–2.7 bhp (1.9–2.0 kW) @ 2700 rpm
Torque	2.6–2.8 lb⋅ft (3.5–3.8 N⋅m)
Transmission	single-speed, wet centrifugal clutch automatic, shaft drive
Suspension	22.5mm telescopic fork (front) Unit swingarm (rear)
Brakes	Drum brakes all-round
Wheelbase	33.7 in (860 mm)
Dimensions	L: 49 in (1,200 mm) W: 22.6–24 in (570–610 mm) H: 27.8 in (710 mm)
Weight	37 kg (82 lb) (dry)
Fuel capacity	0.5 US gal (1.9 L)

The Yamaha PW50 is a commercially available two-stroke 50 cc (3.1 cu in) mini dirt bike, designed, developed and produced by Japanese manufacturer Yamaha since 1980.

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