Tomos A55 Jetting Suggestions

mike sweet /
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Good morning all

Recently bought a 2008 Tomos Targa sight unseen. When I first started digging into it, I realized it ran like crap, but better with the choke on.

I did all the usual things like clean the carb, check for air leaks (fixed a pretty major air leak between the cylinder and head)

OK here is the real question. Carb has the stock 55 jet in it (dont remember the idle jet but Im reasonably sure it's stock also), but it came with a UNI pod filter. It seems like people are upjetting to 58 on even a stock air box so I'm certain its running lean, and can confirm it runs better if I cover the air filter side of the carb with my hand the right amount.

So what jet sizes are people running with a uni pod filter? What about with air filter and exhaust? I saw moped division sells a filter/jets kit for a55 so I will probably shoot them a message, too.

Thanks

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