big bore kit jetting

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9/15/2017 3:51 PM

i installed a 60cc big bore kit on my sons pw50 whats the best size jet to install on it


9/15/2017 7:47 PM

id start by doing some research on jetting a bike. With a big bore youll want to go up in size. Jetting is specific to each bike and region of the country. Nobody can tell you what the best size jet is unless they live by you and have the same bike setup. Hopefully someone on here can at least give you some baseline sizes to start with.


2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600