Re: Burtz vibrations
Kieth, trust me I have all the parts. When assembled the nut on the bottom contacts the frame motor mount bracket. That is a metal to metal contact area. Inserting the 1/8" rubber washer in that area eliminates that metal to metal contact. I did the same on the top because I can. The duremeter of the hockey pucks is a mystery. Motor mounts insulate best when they are in shear. Adjusting the bolts is an art. Unequal tightness is a thing. I probably installed my first set of floaters back in the 70s so I have some time to think about this.
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