Yamaha PW50

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Yamaha PW50
Manufacturer
Also called PW 50, Yzinger
Production 2002 - 2019
Class Minibike
Engine
single cylinder, two-stroke
Bore / Stroke 40.0mm x 39.2mm
Compression ratio 6.0:1
Top Speed 35 mph
Horsepower 2.68 HP (2.0 KW) @ 2700RPM
Torque 2.95 ft/lbs (4.0 Nm) @ 4500RPM
Ignition cdi
Spark Plug NGK BP4HS '81-08
Transmission Gear box: automatic

Final Drive: shaft drive (cardan)

Clutch: wet centrifugal automatic clutch
Final Drive Shaft ‘81-19[1]
Suspension Front: telescopic fork
Rear: unit swingarm
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2.50-10
Rear Tire 2.50-10
Wheelbase 33.7 inches (856 mm)
Length 49.02 inches (1245 mm)
Width 24.02 inches (610 mm)
Height 27.8 inches (706 mm)
Seat Height 19.09 inches (485 mm)
Weight 82.01 pounds (37.2 Kg) (dry), 40.8 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 0.53 Gallon (2.01 Liters)
Related Yamaha TT-R50
Yamaha PW80
Competition Kawasaki KDX50
Manuals Service Manual


The Yamaha PW50 was a single cylinder, two-stroke Minibike / 50cc motorcycle produced by Yamaha between 2002 and 2019. Max torque was 2.95 ft/lbs (4.0 Nm) @ 4500 RPM. Claimed horsepower was 2.68 HP (2.0 KW) @ 2700 RPM. This motorcycle marked the beginning of a long history of young rider excitement. A history of more than 20 years and the story continues.


Engine

The engine was a air cooled single cylinder, two-stroke. A 40.0mm bore x 39.2mm stroke result in a displacement of just 49.0 cubic centimeters.

Drive

The bike has a automatic transmission. Power was moderated via the wet centrifugal automatic clutch.

Chassis

It came with a 2.50-10 front tire and a 2.50-10 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic fork while the rear was equipped with a unit swingarm. The PW50 was fitted with a 0.53 Gallon (2.01 Liters) fuel tank. The bike weighed just 82.01 pounds (37.2 Kg). The wheelbase was 33.7 inches (856 mm) long.


1981


1993


1996

1996 Yamaha PW50 in White/Blue

1999

2004


2005


2003 Yamaha PW50

2003 Yamaha PW50

The 2002 PW50 is the best first Yamaha machine for your kids. It is built like a tank and can handle huge amounts of abuse and beating, and it will still ride like a charm. Small, light and simple, the PW50 is powered by a 49cc air-cooled 2-stroke engine, able to deliver quite a punch, but in a non-intimidating manner. Thanks to the single-speed automatic transmission, the 2002 PW50 allows young future champs to focus on riding, building up both skills and confidence.


2004 Yamaha PW50

2004 Yamaha PW50 2004 Yamaha PW50

The 2003 PW50 is a great way to introduce your kids to the riding basics. Rugged, exceedingly light and with a ow-maintenance shaft drive, this bike is perfectly equipped to face abuse. Add in a full automatic transmission for a reassuring feel when aboard, a low seat for good ground contact when stopped, and plenty of punch from the 2-stroke engine for even greater usability until your kids outgrow the bike.

Then it's time to hand it over to the new generation and allow a new wave of future champs to get familiarized with the two-wheeled world.


2006 Yamaha PW50

2006 Yamaha PW50 2006 Yamaha PW50

The 2005 PW50 is a great choice for the youngest of riders. Small and punchy enough to be both rewarding and thrilling, this mini dirt bike is built like a tank and can really take a lot of abuse, and still provide exceptional performance. Since safety is one of the main concerns, the 2005 PW50 comes with a smart exhaust routing and heat shields to prevent accidental burns.

Even more, adults can make use of the exhaust restrictor to tailor the power response according to the rider's accumulating experience. Cheap to maintain, this 2-stroke machine will have your kids acquainted to what riding is, and will be a great gift to another generation when they outgrow it.


2007 Yamaha PW50

So your kid is big enough to switch from the pram to bikes and you'd like to see if there's some champion DNA in him or her... The best thing you can do is get some riding gear and have your child throw a leg over a bike such as the 2007 MY PW50. The PW50 is Yamaha's entry-point small-displacement machine, a bike created as a nifty educational platform for introducing the youngest riders to the basics of riding.

The 2007 MY PW50 has a 2-stroke autolube 49cc engine, with a single-speed, automatic transmission, for no-hassle, clutchless, zero shifting rides, and allowing the youngsters to focus on balance and actually learning how to ride and steer.


2008 Yamaha PW50

An affordable bike that's built like a bullet, the 2008 MY Yamaha PW50 is a great treat for your kids as they take the first step into the world of motorcycling. Low and reassuring, this bike offers plenty of punch from its 49cc air-cooled 2-stroke engine, while the single speed transmission offers hassle-free operation and allows the youngsters to focus on learning how to actually ride well first.

Add in the shaft drive for maintenance-free convenience, and the power-limiting exhaust restrictor for effortlessly adjusting the power delivery according to the rider's skills for extra safety. Light, but built like a tank, the PW50 is ready to become your child's best friend.


2009 Yamaha PW50

2009 Yamaha PW50

Unlike the TT-R50, the 2009 MY PW50 is a 2-stroke machine, but also engineered for educational purpose of the youngest riders. Low, lightweight, tough and reliable, this is a great go-anywhere machine, from the improvised backyard dirt track to the open fields. Affordable and easy to maintain, the PW50 is also reassuring, thanks to its mild tuning and centrifugal clutch, automatic transmission.

Easy as twist-and-go, riding the PW50 is both educational and rewarding, especially as the bike also comes with an adjustable speed limiter which keeps things more on the safe side, allowing adults to increase power as riders' experience build up.


2010 Yamaha PW50

2010 Yamaha PW50

The PW50 is one of the standard entry-point mini-bikes, the natural first step in the two-wheeled world most young riders make, and there's many a good reasons for this. The bike is built like a tank, and the engine is just the same. This 49cc 2-stroke machine delivers quite a punch and can take a lot of abuse and still work great, with minimal maintenance.

Being a true dirt monster, it comes with folding pegs, premium bars and grips and safety-focused features, such as a screw-type throttle limiter and and exhaust pipe restrictor adults can manipulate to adjust the power and speed response according to the riders' skills.


2011 Yamaha PW50

There's no need to speak too much about the Yamaha PW50, as this 2-stroke bike is one of the iconic entry-point bikes for the youngest of riders. Small yet comfy, built like a tank and yet nimble, the PW50 is a great way to introduce your kid to the world of motorcycling.

The transmission is automatic single-speed and this means riding the bike is as easy as twist the throttle and hang on. However, the bike comes with an adjustable speed limiter and a start/run switch for increased safety. Cue in the tough steel frame and plastic bodywork for an even more enduring character for this bike your kid(s) will not be that willing to get off from.


2012 Yamaha PW50

The 2012 MY Yamaha PW50 is a small-displacement bike suitable for kids of all ages as they take their first riding lessons. The 499cc air-cooled 2-stroke engine has been tuned to deliver as much torque as possible, thus being perfect for learning, as speed is of a smaller concern.

Maintenance is very easy as the PW50 comes with a shaft final drive and autolube oil injection system eliminating the need to premix oil and fuel. The mag-style wheels mean no spoke adjustment and of course, no broken spokes to be replaced.

The throttle stop screw lets the adults regulate the max gas the little riders can pump in the 2012 MY PW50 and the single-speed automatic transmission keep the needed skill level to a minimum: this bike is a real twist-and-go machine.


2013 Yamaha PW50

The 2012 Yamaha PW50 is a very nice bike suitable for kids of all ages as they learn how to ride. The 499cc air-cooled 2-stroke engine has been tuned to deliver as much torque as possible, thus being perfect for learning, as speed is of a smaller concern.

The throttle stop screw lets the adults regulate the max gas the little riders can pump in the PW50 and the single-speed automatic transmission keep the needed skill level to a minimum: this bike is a real twist-and-go machine.

Maintenance is also a breeze with the shaft final drive and autolube oil injection system eliminating the need to premix oil and fuel. Finally, the mag-style wheels mean no spoke adjustment and of course, no broken spokes to be replaced.


2016 Yamaha PW50

Fully automatic transmission means no shifting required; the PW50 is a total twist-and-go package. Torque-tuned, spunky little 49cc two-stroke is built to thrill without intimidating beginners.


In Media

References

  1. 2019 Western Power Sports Catalog. Western Power Sports. 2019.