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Squeaky rear suspension

Started by Gimpy, July 27, 2011, 09:53:24 AM

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Gimpy

July 27, 2011, 09:53:24 AM
I have a 2001 Monster 900 that sounds like an old mattress every time I get on the thing or hit a bump.  I figured the easiest fix was to lose some weight, but screw that.

I took it all apart a little while ago and I noticed that the bearings seemed fine.  Everything rotated smoothly.  The one thing I did see was kinda a worn spot on the outside of the spacer.  I have no idea if any of this is normal.  I put it back together with copious amount of moly lube and the noise went away for awhile,  but now its back. 

Should I replace the bearings and spacers?  Anything thing else I should try first? Its about $150 for 4 bearings and 2 spacers from Omaha Ducati.


Screen shot 2011-07-27 at 9.27.47 AM by ryron01, on Flickr

Speeddog

#1
July 27, 2011, 09:54:54 AM
Did you grease the rodends, items #13?
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jaso1

#2
July 27, 2011, 02:23:50 PM
Good question , I believe my 900 was squeaking from the rod ends when I bought it , I tried eveything I could think of to get grease or oil into them but seemed not very successful .   I figured I may have to remove them to lube them but then the noise stopped so I guesses I got some lube in them after all ?

I could feel the noise coming from the rod end when I held my fingers on the left one more so and worked the rear suspension a bit .   

It still beats me how you are actually supposed to get lube into them things efficiently ?

Howie

#3
July 27, 2011, 02:40:24 PM
The joints on the hoop actually do have grease fittings, but they are straight (no nipple), which most of us don't have the tool for.  They are probably clogged anyway.  Take them apart, inspect and, if good enough clean and repack.

ducpainter

#4
July 27, 2011, 04:12:08 PM
If you have a Corbin or Sargeant seat make sure the rocker isn't rubbing on the pan.
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Gimpy

#5
July 27, 2011, 10:58:12 PM
After reading your guy's suggestion about the rod ends, I went back out and messed with again.  I could really feel the vibration, I was hearing, when I held the rear hoop and compressed the suspension. I think ya'll are right at the noise is actually coming from there.  So I went at the rod ends with some tri-flo.  I could get a little bit in the grease fitting but it didn't seem to help.  I rode the the noisy thing to work, and I noticed that the noise was gone when I got home. 

Should I take the rod ends off and pack the whole assembly with some proper lube?

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