Hey all,

I'm going to be putting on a tecnigas next r exhaust on my 2012 tomos lx, and at the same time, upjet.

What size should I replace the main jet with? I noticed on this spreadsheet there are a lot of varying sizes:


So I don't want to go too high or too low. I only plan on doing intake/exhaust mods at the moment, so I'm not sure where I need to be.

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