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|Charlie||i have had i issue with my lt133, it runs fine for about an hour, i check the oil and find it has thinned out and appears to have gas mixed in with it. i change the oil, it runs great and then go thru the same cycle.
i tried replacing the crab as i thought it may have been a float blow issue, etc.. now i thinking of disconnecting the fuel pump prior to turning the engine off. but otherwise at a loss. any ideas?
thankfully it still runs great.
|bontai Joe||I think you were right is suspecting the carb's float not shutting off the fuel. Nothing wrong with installing a fuel line shutoff. Since you say it runs great otherwise, I don't think the gas is getting to the crankcase because of worn rings allowing fuel to wash down the cylinder walls. I would think that you would notice a lack of power from low compression if this was the case.
|bontai Joe||It's late at night and I sent the above before I was really finished. You should really check out the carb and fix if needed.
|Charlie||looks like it was the fuel pump. the diaphragm was leaking thru into the crankcase.