First of all you will need a mulching blade or blades. These blades have wings that draw the grass back up to be mulched instead of throwing it straight out. Then you will have to block off the open discharge hole. Some models sell a plastic insert just for this. If not, you'll have to make your own. When doing this make sure the blade doesn't hit it when it comes to that area and also make it as round as you can to conform with the rest of the mower otherwise grass will clog in that area.
A Murray riding lawnmower owners manual can be obtained from most Murray riding lawnmower dealerships. You can find the owners manual at most local libraries.
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31''
no
in the transmittion
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The spark plug gap for a Murray 12 hp riding lawn mower should be set at .020 inches. This is equal to .5 mm.
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