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How do I change the oil on my yard machine? I don't have my manual, and I have a side discharge, mulching walk behind mower. I looked on the mtd website, but this model/serial# isn't available. Model: A11-439G729

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With the mover tilted on side, clean the area around the shaft with putty-knife (unhitch spark plug first) and there will be a square hole that a 3/8 ratchet will fit in, turn counter clockwise to UN-thread and oil will come from this hole.

Posted on Apr 23, 2010


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