44mm Big Bore 60cc Piston Kit With Gasket – For Yamaha PW50, PY50, PeeWee, QT50

Want to give your little Yamaha PW50 some extra grunt?

This 44mm big bore piston kit bumps displacement to 60cc.

It's perfect for PW50, PY50, PeeWee, G50T, and QT50 models.

The kit includes the piston assembly and gaskets—everything you need for the top end.

Brand new from motorpartstore, made in China, with a warranty included.

If your kid's bike is feeling slow, or you're rebuilding, this kit is a fun upgrade.

More power without a lot of hassle.

Note: it's a modified part, so check local laws if it's for trail riding.