Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor
I have the exhaust pipe off and when I start it,and let it run it will blow out flames thru the exhaust hole. Also do you adjust the valves on the exhaust stroke or the intake stroke at TDC?
Hello Carleton, Fire out of the exhaust port with no pipe is normal. You want to bring the piston to top dead center on the compression stroke. Both valves should be fully closed.
Posted on Mar 24, 2014
Testimonial: "ok if I have the muffler on it is backfiring thru the exhaust and the carb. I have the valve adjust on the compression stroke and set the valve at .004. Ty"
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Posted on Jan 02, 2017
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