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24 hp engine. one bent push rod, second rod missing lost some power, no other problems

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This happened to me,the engine sat for some time and the valves were varnished with stale fuel,they stuck in the guides.This bent the push rod and it was only running on one cylinder.The missing push rod worked its way into the crankcase through an oil passage . I took the engine sump of and found the push-rod. I cleaned removed the head,cleaned the valves and guides replaced push rods and gasket and it ran fine after that.I use fuel stabilizer now,it keeps the varnish from forming.

Posted on Jul 31, 2009

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SOURCE: 24 hp engine. one bent push rod, second rod missing

just found the same problem on my father in laws mower (24 hp briggs) I took the engine off of the mower, drained oil, turned on its side and removed lower case. There was the missing pushrod wraped around the camshaft gear. no clue on how in the hell it did that! It also ended up breaking the govenor (quick look) will look for more damage tomorrow.

Posted on Jul 27, 2009

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RECOMENDATIN:

Check for bent push rods.
Change oil every 30 hours of operation or less.
Use a hi quality of oil only.


Hope this tip helps..

R/
David

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24 hp engine. one bent push rod, second rod missing


just found the same problem on my father in laws mower (24 hp briggs) I took the engine off of the mower, drained oil, turned on its side and removed lower case. There was the missing pushrod wraped around the camshaft gear. no clue on how in the hell it did that! It also ended up breaking the govenor (quick look) will look for more damage tomorrow.

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