Fuel may be turned off or the filter could be clogged.
But that sounds like the jets are clogged in the carb to me.
Just a tip to keep this from happening, shut off the fuel when you are ready to quit for the day ( and leave it for an extended amount of time ) and allow the engine to die, this will leave no fuel in the carb to go bad and mess things up for later.
how to set Yamaha pw80 carburetor
http://safemanuals.com/user-guide-instructions-owner-manual/YAMAHA/PW80-2003-_E
One may buy a used Yamaha PW80 from Cycle Trader. These are private sales but one may often get a better deal this way. One may also use Kijiji to purchase a PW80.
$700-800
2.33 Ounces
All Yamaha PW80 s have 3 semi automatic gears ( no clutch lever etc )
It all depends on condition, if its a nice clean pw80 about 800-1200. hope this helped
Top speed is 41 mph.
its got a restrictor plate in the exhaus
yes
They are pretty simple, wiring wise. Here is a diagram from a 2001. http://www.weeksmotorcycle.com/pw80-wiring-diagrams.html
it is , if you are minimum 135cm