Rear shock problem...

[Timmy Tucker]

Was checking the bike over and discovered that the rubber bumper thingy on my rear shock has disintegrated into about 6 pieces and is falling out. It's the piece indicated by the red line in the pic below. What do I need to do about it? Can I just let it go like it is or do I need to replace it? If replacement is the answer, can I get that piece separately, or will I need a whole new shock? The parts fische didn't show it as being available separately.

Sorry for the shitty pic, it's just a random photo I found. Mine is the original oem turd on a '99 M750.

[Timmy Tucker]

Anyone? Really just want to know if it's safe to ride this way. I would assume so, because they seem to be missing on a large number of the used shocks on ebay as well. But I hate to make that assumption based on my very limited knowledge of motorcycle shit.

[Cloner]

I'm no expert in rear shocks, TT, but I'd imagine this rubber buffer keeps the shock from bottoming and partially protects the rod.

If your shock is rebuildable, then someone like RaceTech or Lindemann should be able to sell you a rebuild including a new buffer.  If it's not, then you're probably stuck buying a new shock or riding yours like it is.  You might want to call one of those joints for a quote on a rebuild and ask about the buffer whilst you have them on the phone.

That's my 2 cents.  Let us know what you find out.

Cloner
ABQ, NM

[gregrnel]

I'm getting mine rebuilt right now for about $150. Here    www.epmperf.com

[the_Journeyman]

I'm 99% certain it's just a bump stop.  Mine is coming apart too, and I'm still riding on it and haven't yet seen any ill effects.

JM

[ducpainter]

Anyone? Really just want to know if it's safe to ride this way. I would assume so, because they seem to be missing on a large number of the used shocks on ebay as well. But I hate to make that assumption based on my very limited knowledge of motorcycle shit.

I'm 99% certain it's just a bump stop.  Mine is coming apart too, and I'm still riding on it and haven't yet seen any ill effects.

JM

JM is correct...

it's a bump stop.

If your rear spring is close to being right you never hit it.

[errazor]

If Your bump stop is coming apart it has definitively been used. maybe You need a stiffer spring?

[Gimpy]

If Your bump stop is coming apart it has definitively been used. maybe You need a stiffer spring?

Weather has some pretty disastrous effects on the rubber bits.  I don't remember ever hitting the bump stop on mine and it was pretty crunchy when I upgraded my shock.  I would replace it for peace of mind, but I wouldn't rush to get it fixed or not ride the bike in the meantime unless I could feel it bottoming out on bumps.

[jerryz]

heat from the engine and UV light and environmnent  destroy rubber over a few years making it brittle ..even if the bump stop was never reached .

[Howie]

Race tech sell bump stops.  
http://old.racetech.com/evalving/english/Srchpr.asp?bikeid=71&manufacture=Ducati&model=750+Monster&year=98-01&TABLEINFO=street&langname=english
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All foam eventually dies just like the foam in your couch.  I would replace it.  On a normal road in you should not need full travel on properly set up suspension, but here in NYC

[He Man]

ive seen shit like that and am always puzzled on how that make the beast with two backsing happens. THere must be tremors living underground or something.

[gregrnel]

The rebuild of my rear Sachs just went up to $260. Sachs are not rebuildable, they have to weld in a schrader valve for it to work. Apparently they've done this before.....hmmmm......updates to follow.

[Privateer]

ive seen shit like that and am always puzzled on how that make the beast with two backsing happens. THere must be tremors living underground or something.

leaking water pipes usually.