This is actually the 1060*, I think. It has a Kohler engine. My Lawn-Boy mower was recently purchased used. It looks to be in great shape. It ran perfectly the first two times I mowed my lawn (about 1/2 acre) Today, when I was mowing my lawn for the 3rd time with this mower, the mower began running rough. When I stopped it to empty my clippings I turned it off completely. It restarted easily, but when I tried to engage the blade it stalled. It did this multiple times. Then I let it cool for 1/2 hour. When I came back to it, it ran fine for about 10 minutes then it started running rough and stalling when the blade was engaged. If the blade wasn't engaged it would idle fine. Any thoughts to try would be very appreciated.
Probably the valves have unseated the hotter it run the worser it get warranty defect take to dealer tell what it doing tell him you think its un seated valves and cover under warranty
SOURCE: Lawn mower will not start.
It likely needs a carb rebuild. Be sure to check your tank for water in the fuel as well.
BTW lawn boy carbs appear to be the simplest carb ever but are very touchy ( especially with leaking inlet needles) so dont underestimate them and you will be fine.
SOURCE: Hi, I have a Masport 635 Lawn mower, I think it is
If it is two stroke it must have oil mixed in with it. Try pulling the cord and notice if there is any compression if not then it is the pistion and if it doesn't turn then it is seized with lack of oil.Now if it is four stroke take the plug out put it to the head and pull the cord to see if there is any spark if there is it's a fuel problem.
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It has fresh gas, correct oil type and level. It runs great until it gets hot. Then, it still runs great but stalls as soon as I try to engage the blade.
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