Yamaha QT50 engine swap

[QT50master]

Hello, I've had my qt50 for about a year now and im looking for a moped with a little more power but i dont have to money so i was thinking of maybe putting a pw80 engine on the qt50, but before i buy it i wanted to make sure it would fit. any one that would know i could use your help thank you!!!
Jack

[buguy]

It wont fit, you would have to make it all custom.

[harry]

Hello, I've had my qt50 for about a year now and im looking for a moped with a little more power but i dont have to money so i was thinking of maybe putting a pw80 engine on the qt50, but before i buy it i wanted to make sure it would fit. any one that would know i could use your help thank you!!!
Jack

A 70cc cylinder kit costs $150-$225 & easy to install.

Also have you up jetted to #68, removed the ring restictor and the
cone in the muffler and maybe added some sliders?
that is your most bang for the buck ($40)

oilyhans