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Replace flywheel 21a-121r900

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Remove the small bolts that hold top cover on . Remove small bolts that hold down ignition coil unplug the spark plug wire. Set the coil out of the way. Remove the nut from the center of the flywheel. Use a steering wheel puller to remove the flywheel. Install the new flywheel over shafts key tap center of new flywheel on the shaft . Keep eye on the key that the flywheel doesn't push out of the shaft . Install nut and get it tight.gap coil with a business card between coil and flywheel as you tightening bolts plug in spark plug wire . Reinstall top cover.

Posted on Jun 20, 2014

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SOURCE: 21a-121r900 Yard machines tiller. Flywheel key

You can download manuals here. Find your serial number also.
http://manuals.mtdproducts.com/mtd/Public.do?langId=-1&BrandCode=10451
Most motors have an soft woodruff key for flywheel,but this ond looks like it's splined, if it is the right model.

Posted on Aug 19, 2010

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1 Answer

HOW CAN I REPLACE THE PULL CORD?


remove the three or 4 bolts holding the starter on the motor wind the spring loaded starter backward until you feel real good tension stick a screwdriver through the starter to keep it from unwinding thread the rope through the opening in the starter tie a knot in the end of the rope release the spring that should fix it.

Oct 20, 2015 | Yard Machines Cultivator 21A-121R900

1 Answer

CAN THE PULL ROPE BE REPLACED?


Yes.
It's a matter of dis-assembly, replace, and re-assemble.
You should be able to get thae part (and the work done) at any local small tool rental or service shop.

Oct 20, 2015 | Yard Machines Cultivator 21A-121R900

1 Answer

How do I remove the clutch


Remove the power unit, remove the plastic clutch/ starter cover, install a piston stop, with a t25 torx driver inserted down the center tube on the clutch drum remove the clutch drum, then using the proper clutch tool remove the clutch paying attention to the arrow stamped on the clutch- usually left handed thread. be sure not to lose small washer between clutch and drum.

Aug 31, 2014 | Yard Machines Cultivator 21A-121R900

1 Answer

Yard Machine Model 21a-121r900 tiller's pull starter recoil pully slipping


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Feb 16, 2013 | Mtd Garden

1 Answer

I have a Yard Machrines by MTD Yard & Garden Cultivator 31cc: Model No.21A-121R900 Ser.No.1A246DG1150 and I need to replace the primer bulb. How do I do that?


hello l, how to change primmer bulb,,remove the two fuel lines making note which line came off where,use needle nose pliers to push the two ears down and pull bulb out,make note on where the long and short stem was at,go to the mower shop and get a new bulb and install,put lines back on, done start engine,,hope this helps,,

Jan 27, 2012 | Yard Machines Cultivator

1 Answer

My Yard Machine Tiller starter rope will not rewind - it is an MTD engine the model is 21A-121R900. Once I take the cover off I can't get to the rewind mechanism.


you can either drill the rivet out, or inside the shroud there are metal tabs that you can bend out, but be careful as not to break them off. Hope this helped Tim

Feb 27, 2011 | Yard Machines Cultivator

1 Answer

I need a diagram for Yard Machines; garden cultivator; 31cc


Here is a parts breakdown for your machine (found under MTD) with parts listings, diagrams and prices.
http://www.partstree.com/parts/?lc=MTD&mn=21A-121R900

Nov 24, 2010 | Yard Machines Cultivator

1 Answer

21a-121r900 Yard machines tiller. Flywheel key part # or size????


You can download manuals here. Find your serial number also.
http://manuals.mtdproducts.com/mtd/Public.do?langId=-1&BrandCode=10451
Most motors have an soft woodruff key for flywheel,but this ond looks like it's splined, if it is the right model.

Aug 19, 2010 | Yard Machines Garden

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