Repair guides and support for riding, or ride-on, mowers, also known as lawn tractors, of all types used in tending large tracts of land.

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What is intake & Exhaust valve settings?

My JD is L100 model # 31F707 what is intake & Exhaust valve settings? how do I turn engine to 1/4 in past TDC to make adjustments?

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linus342000 .003 to .005 on intake and .005 to .007 on the exhaust. The piston needs to be on the compression cycle and past TDC by 1/4 in. Take a look on here to get a general idea

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@oldturkey03 Where do you come up with all the manual for anything and everything. I can search all day and not find what you do. I bow to the King of manuals

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Years of collecting and fixing all kinds of "stuff" A true tinkerer:-)

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linus342000 will be eternally grateful.
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