NGK plug BP4HS - Gap for PW 50 is 0.6mm.
The spark plug gap for all years/models of Yamaha PW80 and BW80 is 0.024" and NGK part number is BP6HS. NGK plugs come "pregapped" but it's always a good idea to double check before you install any plug, old or new.
how to set Yamaha pw80 carburetor
It all depends on condition, if its a nice clean pw80 about 800-1200. hope this helped
They are pretty simple, wiring wise. Here is a diagram from a 2001. http://www.weeksmotorcycle.com/pw80-wiring-diagrams.html
http://safemanuals.com/user-guide-instructions-owner-manual/YAMAHA/PW80-2003-_E
Sign up at myyamaha.com and download the service data sheet for your bike which lists the spark plug type and gap. https://www.yamaha-motor.com/sport/myyamaha/login/L3Nwb3J0L215eWFtYWhhL2hvbWUuYXNweA==/starthere.aspx
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 )
yes
Top speed is 41 mph.