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So the other day I determined something on my Troy Bilt weed whacker is stripped out. When I open the throttle, the end spins (somewhat) but the thing just won't cut. It seems something on the bump head end is stripped out.

In the meantime I put two Poulan's together to make a working weed whacker. One had a good engine but the shaft was broken and the other one must have a busted diaphragm in the carburetor causing it to blow gas out the muffler.

The weed whacker with the bad carburetor was given to me so I never had a chance to use it. So after I transferred the good shaft to the good motor, I discovered there is no bump head.



The weird thing is there is no threaded end to screw a bump head into to. However if I bump the end against the ground, the string seems to feed out OK.

Is this what the end is supposed to look like or is there something missing?

The remains of the bump head is still there the rest has ground away.
Buy a replacement and it will all be apparent.

Found it!

http://www.ebay.com/itm/OEM-Poulan-...e=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

This bump head assembly looks odd compared to what I've seen. The ones I've always seen, the bump head screws into the end of the shaft. The bump head on this model appears to pop onto the spool using those two metal clips.