Repeat of Compression Relief Failure Causing Choke-Sputter-Die, or Both?

woodstover

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Sep 30, 2022
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take the valve cover off and spark plug out, spin the engine over by hand and look for the intake valve to bump open slightly after the full intake stroke and the intake valve completely opens
Also time to check and adjust valve clearances if necessary. Only adjust valve clearances on a stone cold engine.
 

Scrubcadet10

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Also time to check and adjust valve clearances if necessary. Only adjust valve clearances on a stone cold engine.
iu
 

Sears L2000

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Nov 13, 2025
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Top valve a snug 4, 0.004”

Bottom valve at +/- 10, 0.010”

Reset both to 4.

New spark plug.

Have to get valve cover sealer to reattach.
 

Auto Doc's

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Just to clarify, both valves are set to .004" now? If so, that should be sufficient.
 

slomo

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I would drain the gas tank and install fuel from another gas can
Finally a mention about where all this starts at.

Do you have an old gas can with an open spout?
1763746564446.jpeg

Or a new can with the EPA struggle your azz off trying to fill a mower up spout?
1763746647469.png
 
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