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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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Old 03-31-2014, 05:35 PM   #93 (permalink)
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TexasBowhunter: You still with us here on the forum? Have you continued to experiment on the stock shocks, and have any new info on the results?
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Old 04-01-2014, 09:09 AM   #94 (permalink)
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I did the oil change on my '06 RG. I went with 30 wt oil in both the shocks and forks. Rode and handled a whole lot better.

Now I've got a '13 RGU and am looking into doing the same thing. Just got to take the time to get it done.
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Old 04-23-2014, 09:29 PM   #95 (permalink)
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Good read thanks for the info
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Old 04-24-2014, 07:07 PM   #96 (permalink)
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Long thread, after page 5 I jumped to the end. I took one rear shock of my scooter the other day and the rear suspension shortened up about an inch. Got me thinking. If I took off both shocks and remounted one upside down with the little plumbing fitting in it, couldn't I just alternately sit down and stand up to pump out the old oil, then mount the shock right side up and repeat the sit-stand routine with a hose in a shock oil container until it "inhaled the correct amount and not bother building the rig to pump the shock? Intuitively, I think it would work. I will try it on mine soon when I catch up with other chores. Also, I hope no one looks in the window while this is going on a gets the wrong idea about my relationship with my bike.
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Old 04-25-2014, 08:37 AM   #97 (permalink)
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That's how I did mine. A bit messey but got the job done.
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Have you thanked a veteran lately for the freedoms you enjoy today?

'13 Road Glide Ultra in Midnight Pearl.

Traded in.
'06 Road Glide
95" w/ 10.5: 1 SE forged pistons
Dan Vance Racing Port/polish raised port heads
Andrews 37G gear drive cam
1.7:1 Roller rockers
50MM SE TBI
Hypercharger
Klock Werks Puffler mufflers on true dual head pipes.
Custom body work and paint. Kopper Penney Pearl faded into black.
SAE corrected 101.43 HP/ 104.39 TQ
All work done by ME!
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Old 04-27-2014, 07:01 PM   #98 (permalink)
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Amsoil shock therapy #10 & http://www.harborfreight.com/mityvac...ump-39522.html & your all set.
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