Question about Troy Bilt 5.5hp Self Propelled Mower
Two possibilities here.
Most likely at this time of year is that the fuel is contaminated and that you've got a fresh slug of water in the bowl
Try draining the bowl again, while having a good look at what comes out first:
If it's oily water (comes out slowly in big drops that stay bunched up when they land. If you put a bit on your finger and bring it to your nose, it smells unpleasantly oily. May contain rust coloured blobs of microbial contamination), then you've got a tank of contaminated fuel.
If you get petrol straight away (just runs out, spreads out over every surface it touches and makes the place absolutely reek of petrol the moment it comes out) then perhaps water isn't the problem.
If you get water repeatedly, then you need to drain the tank and refill with fresh fuel.
The other thing that would make the engine cutout after a while is if the engine is sucking fuel out the bowl faster than it's being replaced, which is likely to be a blockage issue.
Try draining the whole fuel system, removing the bowl, cleaning the insides of it out, blowing through the drillings on the bolt that held the bolt on and cleaning out any snotty stuff that's blocking up the float-operated inlet valve exposed when you removed the bowl. Reassemble carefully (if the bottom of the bowl is shaped, make sure you put it on so the float is free to move) and take this opportunity to refill with fesh fuel.
Posted on May 01, 2010
I have the same problem runs good for a minute then stalls i have drained the gas both in the tank and bowl i still have the problem i just bought a new carb started right up then stalled in a minute same problem I'm stumped
Posted on Jul 16, 2011
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Posted on Jan 02, 2017
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