I have a 12 HP craftsman riding mower. When it gets hot it begins to miss a stumble. If I continue to use it I have to have it choked, if I keep going it then stalls. What do you think is causing this?
After reading another post about stalling in here, I think I found the answer. Mine (16 hp) would stall the same way, after about 20 minutes. I loosened the gas cap and it kept going. I think the vents on the cap are clogged, which prevents the gas from going through the line. I will clean those or get a new cap.
I have the exact problem! Old craftsman which I get about 20 mins of mowing and then its starts stalling. I increase the throttle and it will normally go another 30 secs but will stall. I have to let cool down for hrs before mowing again. I have been able to increase the mowing time by using the lowest possible throttle position but will eventually stall.
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