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I have an MTD Yard-Man PowerMore self-propelled lawn mower, model # 12A-44MC055. The drive belt broke and was chewed up by the blade, so I bought a new drive belt and put it on. But now, the handle that engages the drive belt dangles loosely off the mower handle. It used to be taut, but now it's loose enough to swing back and forth. It still engages the drive belt when pulled, but it's obviously not acting the way it should. Any thoughts as to how I can restore the tension in the cable / handle to make it work correctly again? Thanks!

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Posted on Jan 02, 2017

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SOURCE: Yard Machines - Won't shift into gear

The problem most likely is the shaft on which the interlock slides back and forth on inside the transmission. The yardmachines have a continous spinning shaft which ends in a bevel gear. The is an interlock plate which is connected to the Forward Reverse shift lever, this plate slides back and forth and either engages the forward gear or the backward gear. This shaft is most likely galled up, preventing everything from sliding the way it needs to. This is not a difficult thing to fix if you are somewhat mechanical. Disassemble the transmission and check if everything slides

Posted on Jun 01, 2009

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SOURCE: Change Oil

All lawn mower engines have a drain plug for draining the oil. Look for a square nut on the side of the engine

Posted on Jun 12, 2009

  • 6468 Answers

SOURCE: I have an MTD Yardman 12a-44mc055. Suddenly, the rpm of the blade decreased, even at full throttle. It has very little power. Does not cut grass and the self propel mechanism does not work. Any though

is the blade loose?is the pulley key way sheared as well as the key on the flywheel

Posted on May 14, 2012

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Have a Yard Man 21"

Hi ccidb11..
I would recommend that you spray the shaft and flywheel with penetrating oil, or WD40.
Then tap the crankshaft, with the nut loosed so it acts as a flat surface to tap on with a hammer.
What you need to do is put your puller on the flywheel and tighten it down really tight, then with a hammer hit the end of the puller (where the wrench goes) a couple of times, then retighten your puller again, and hit the end again.
You will do this until the flywheel will pop off...
Please take time to rate me

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Dec 03, 2009 | Mtd Yard - Man 160cc, 21" Self - Propelled...

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check the drive cable as not come adrift or broken
you can usually adjust the tension on top of the drive cable
also check drive belt is on the two pulleys
hope this helps

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