qt50/yt60 help

Steve Vitale /
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recently put a yt60 cylinder on my qt50

here are the specs

OEM used yt60 cylinder with low miles rebored and cross hatched

NEW oem Yamaha piston and rings

new piston clips and gaskets (also oem from Yamaha)

oem yt60 main jet (92.5)

brand new unipod filter

needle set too the second from leanest position, (stock setting)

180psi of compression

starts first try everytry

runs GREAT! idles smooth, great power

only thing is, runs too rich, it will sputter at 30mph, no uni-pod it"ll do 40mph, but I wanna keep a filter on it

what have other people ran as far as jetting and filtration?

I have no issues with the way it runs, I just don't wanna drive it open carb, I guess ill go down too a 90 jet? and try that with the uni-pod? idk

I thought the stock yt60 came with a 92.5 and the same vm12 carb, why would it need smaller jetting? little confused but oh well

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