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Old 11-30-2012, 01:51 PM   #91 (permalink)
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Here is the best article on "damping" I have read in awhile;
http://www.blackartdesigns.com/id4.html
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Old 11-30-2012, 06:11 PM   #92 (permalink)
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Awesome!

Quote:
Originally Posted by cts1950 View Post
There has been some discussion on changing oil in your shocks. By changing the weight of oil you can adjust the dampening. This is done all the time in racing bikes and quads. I changed the oil in my own bikes shocks and found it to be quite easy and the results were well worth it. I had problems with bottoming out all the time even with the air pressure as high as I dare putting in to them as much as 50 psi. After the change of oil to a 10 weight only 12 to 15 psi was needed even with a heavily loaded ultra. I made a simple press out of materials I bought at Home Depot about 20$ and is makes the oil change about a 30 minute job. My adapter made from a 1/8 pipe nipple and a 45 street el and a spark plug boot and small funnel make up the rest of the parts needed.
1 With the shock removed and brass fitting out of it install the shock upside down with the adapter pipe installed, It takes about 5 complete strokes on the handle to empty the shock of its old dirty oil about 10 oz.
2 Turn the empty shock over and put the funnel into the spark plug boot and measure out 10 oz of clean suspension oil into your measuring cup I used a ratio rite.
3 While pumping with short strokes on the press add the oil into the funnel and do not over fill because by pumping you will be burping out the air and sucking the oil into the shock.
4 when the shock is filled with no more than 10 oz of oil put the air fitting back on the shock with thread sealant and reinstall on the bike. You are now ready to do the same for the second shock.


pictures can be seen at http://s841.photobucket.com/albums/z...view=slideshow
How about adding the dimensions of th epress you made and what's needed for it?

It's perfect!@
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