Working on the midi motor today

Got a weird issue where petrol sometimes pours out of the bike on its own, but the bike still runs — just hard to start (fires up maybe 7/10 times).

We’re thinking it’s the carb, probably something to do with the float not sitting right.

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Been messing around with a spare carb

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stripped it down, checked the jets

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played with the float pins

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and trying to figure out what’s sticking or not sealing properly.

Any ideas or things we should check?

Possible fix:
Most likely the float or float needle isn’t sealing, so fuel keeps flowing even when the bowl’s full. Cleaning the float needle/seat, making sure the float height is set right, and checking that the float moves freely without sticking will usually sort it.