gas leak during start --8 HP yard mathine snow thrower


Old 02-03-07, 10:54 AM
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Question gas leak during start --8 HP yard mathine snow thrower

I have changed the engine oil before this winter, and it run well and can start by recoil (not electric) at that time. Today I put new gas into the tank, and tried many times, it does not start, and I found that after I press the primer for 3 times, when i pull the rope, I notice there is gas leak underneath in the left side. (gas tank is in the right side). If I do not pull the rope, looks like there is no leak. I checked the downside, and find there is a screw with spring, if I push it up the oil will leak out. Is this normal or abnormal? Thanks,
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Old 02-03-07, 04:58 PM
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It's normal for GAS to leak out when you push the pin up, not oil.. If it looks like oil, you have some really bad gas in the carburator.. It's possible you had old gas in the tank before you added new.. The old gas went bad, and formed a laquer that got the float valve stuck.. The carb needs a thorough cleaning..

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