I would pull the head and see if you can tap that valve lightly to see if it will close. It may have some carbon or rust causing the problem. Squirt some engine oil around the stem. If it will close I would rotate the engine several revolutions to make sure it keeps closing. Hal
Re: 5 hp briggs in reply to El Toro, 11-08-2013 16:41:30
El Toro After looking at old cams, there is no decompression valve. That leaves carbon and rust. Motor doesn't get used much. Once it got over the spell, motor seems to be better. If it does it again I may pull carb and spray valve stem. If that doesn't work pull head and check valve clearance Thanks, George
Re: 5 hp briggs in reply to George Marsh, 11-08-2013 17:45:21
Common carbon problem or if your real unlucky the valve seat is coming loose which I have seen. By the way got the timer yesterday but not had the chance to work out the wiring of it. Also have not found that cam found the head to that engine but so far not the rest of it
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