I'm stumped on this one. Here's the story:
- Father-in-law's 3 year old Husqvarna self propelled mower with a B&S motor has been running great until last week. Can't start it, locked up.
- I check it out, the cylinder and muffler are completely full of fuel. Gaskets are leaking on the carb. (They've been using an ethanol treatment on a not-so-regular basis - I used it for a year and made sure to treat all the gas I put in it)
- I crimp the fuel line with vise-grips and dump out everything. Gas is in the oil, too.
- New carb is not much more expensive than rebuild kit so I order one.
- Installed, eventually starts and takes a minute or so to cough out the cobwebs. Shut it down, start again immediately and the hot start is very rich blowing black smoke for few seconds.
- Shut it down a again, wait a few minutes, can't start and is spitting gas everywhere.
- Took it home, opened up the carb to check the float and needle, everything is fine. This is a new carb. Everything looks the same on the old carb, except for the gaskets.
- Back together, new carb back on the mower and still flooding after a few pulls, won't start.
