Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Then they're probably right, but here's a diagram to be sure.
Hold on for a moment, please. There should only be bar oil running out the bottom, since the 2-cycle oil is mixed with the gas. Is gas leaking also? The bar oil has nothing to do with it starting and running.
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It shouldn't be able to overflow with gas unless something's hooked up wrong or out of adjustment. The primer system isn't really a primer, but a purge. It will fill up the line, but it doesn't shoot fuel into the throat of the carburetor like a real primer would. Overflow goes through the return line back to the tank.
Did you try a bit of fuel mix in the spark plug hole yet? What you're describing sounds like fuel isn't getting through the carburetor. Perhaps the metering lever under the diaphragm is out of adjustment?
You're very welcome. Keep me posted on your results, please.