replaced the electronic coil rebuilt the fuel pump replaced the plugs on model 42A707 type 123801 code 9706055A . will start cold but cut grass for 1/2 hr shut it off and won't start till it sets for several hrs.
As you are cranking the engine over, trying for a hot start, just give it a quick burst of choke. Often this overcomes the fuel vapourisation problem that large air cooled engines suffer from.
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