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07 superglide siphon out fork oil ?????

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Old Jul 22, 2012 | 02:12 PM
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Default 07 superglide siphon out fork oil ?????

New question about my 07 Superglide: If I take off the caps on the top of the forks, can I put a nylon tube like fishtank tubing all the way down into the fork to siphon out the old oil. (Harley in their infinate wisdom stopped putting fork drainplugs on these bikes). Also, if I have the bike jacked up and the wheel/fork suspended, how hard is it to get the caps back on?? How much spring pressure is there. Is it doable???


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Last edited by CobraEd; Jul 22, 2012 at 02:15 PM.
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Old Jul 22, 2012 | 02:21 PM
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Completely doable to put the fork caps back on...but your siphon technique will not get all the oil out. You need to pull the tubes and tear them down to get all the oil out. It is not much more work, do it right do it once.
 
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Old Jul 22, 2012 | 03:15 PM
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pull the tubes turn em over a bucket... pump a few times... done...
 
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Old Jul 22, 2012 | 03:22 PM
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My fender is a HUGE pain in the *** to take on and off. I want to avoid doing it if possible.


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Old Jul 22, 2012 | 03:29 PM
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Half assed job means half assed results. Its your bike.
 
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Old Jul 22, 2012 | 05:23 PM
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If you try to do it that way how are you planning on getting the proper amount of oil in each fork? You may as well not even mess with it if you aren't going to do it right.
 
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Old Jul 22, 2012 | 07:15 PM
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Originally Posted by Simple Man
If you try to do it that way how are you planning on getting the proper amount of oil in each fork?
Siphon into a 1 qt measuring cup and replace the exact same amount with new heavier oil. I would take the forks out and do it right but that front fender is aftermarket and is a bitch. The bike is not that old, so I don't need to get it all out. I just want to thicken it up with heavier oil. It has a VERY soft front suspension now.


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Old Jul 22, 2012 | 07:59 PM
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Originally Posted by CobraEd
My fender is a HUGE pain in the *** to take on and off. I want to avoid doing it if possible.
you can try turning the bike upside down j/k

Originally Posted by Simple Man
If you try to do it that way how are you planning on getting the proper amount of oil in each fork? You may as well not even mess with it if you aren't going to do it right.
The service manual list the fluid ounces to use for each leg and also lists the distance to measure from the top of fork tube to top of fluid level
 
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Old Jul 22, 2012 | 08:00 PM
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Fork oil level is set by height from the top and not by quantity, no need to measure how much you took out. It is better if you remove the fork but your method will change most of the oil. As far as removing and replacing the fork cap it will be easier if you loosen the top tree clamp. Use a socket when replacing it so it goes on straight, the fork caps can be cross threaded easily.
 
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Old Jul 22, 2012 | 08:12 PM
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I understand it is a pain in the *** and I am certainly not telling you what you want to do is wrong, but, when I changed my fork oil at 17000 miles or so on my Street Bob the bushing appeared to be pretty worn.

Anyway, post #7 in this thread might help:
https://www.hdforums.com/forum/dyna-...-fork-oil.html
 
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