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Old May 27th, 2013, 04:29 PM   #1
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Rear shock leaking oil.

Hi Guys,
Well before I went out I was doing the inspection and cleaning before taking off and I found oil on the engine case and also in the ohlins spring.
I jump in her and the suspension did not had any sag so I thought it was Ok so, decided to ride.
After time I felt the rear suspension bottoming and the rear tire at times bouncing.






Has someone experienced this?
Can this be repaired or do I need a new rear shock.
If it can be repaired; where can I send it to be worked on?
Thanks.
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2008 1098S (Black Mamba) with Ohlins 803 forks & DU515 in rear, MIVV SUONO Exhaust, DP Race ECU, DP Mirrors, Rizoma grips and barends, ASV shorty levers, OBREON Vortex clutch cover, Speedy Moto Kukri Pro pressure plate, some Carbon Bits, Corse racing stripe, GP reverse shifter, radar mount with Escort/passport 8500 X50 with VIZALERT set up and a crazy mutha that rides it, like it was stolen.
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Old May 27th, 2013, 07:37 PM   #2
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The seal is bad. It needs to be removed and a new seal installed. That shit is slippery so be careful if it tracks under your rear wheel.
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Old May 28th, 2013, 12:46 AM   #3
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Preferably take it to an Ohlins specialist if you can. They will have the seal and the know-how to fix it.

I change the oil in my suspension every 20,000 kms (about 12,500 mi) - both ends - so treat it as a compulsory oil change.

It should feel better with new oil. There is only a small amount of oil in the shocker, so it makes sense to change it. And it prevents it wearing out too.
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Old May 28th, 2013, 09:44 AM   #4
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Thanks Guys.
Now the hard part of it will be to take the SOB out so, I can sent it to DanKyle for repair.
That's going to be a challenge.
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2008 1098S (Black Mamba) with Ohlins 803 forks & DU515 in rear, MIVV SUONO Exhaust, DP Race ECU, DP Mirrors, Rizoma grips and barends, ASV shorty levers, OBREON Vortex clutch cover, Speedy Moto Kukri Pro pressure plate, some Carbon Bits, Corse racing stripe, GP reverse shifter, radar mount with Escort/passport 8500 X50 with VIZALERT set up and a crazy mutha that rides it, like it was stolen.
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Old May 29th, 2013, 01:58 AM   #5
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How did it happen? Smash a pothole?
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Old May 29th, 2013, 03:25 PM   #6
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Quote:
Originally Posted by jwm2k3 View Post
How did it happen? Smash a pothole?
No, After a ride and being in the garage for 5 days not in use I found it was leaking.
It has some miles and in the last year I being ridding with the wife on the back not that she's heavy she's like 108 lb. but it was calibrated to my weight before I gained 30 lb so the shock was taking almost 140 lb extra of what was calibrated to.
Probably that was the reason.
Time to be serviced and recalibrated to new weight specs.
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2008 1098S (Black Mamba) with Ohlins 803 forks & DU515 in rear, MIVV SUONO Exhaust, DP Race ECU, DP Mirrors, Rizoma grips and barends, ASV shorty levers, OBREON Vortex clutch cover, Speedy Moto Kukri Pro pressure plate, some Carbon Bits, Corse racing stripe, GP reverse shifter, radar mount with Escort/passport 8500 X50 with VIZALERT set up and a crazy mutha that rides it, like it was stolen.
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Old May 29th, 2013, 06:55 PM   #7
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The oil seals have zero to do with whatever weight the preload is set at. Thats all spring. Might just be defective. I was talking to a Monster 900 owner last night whos stock rear shock lasted 185,000 miles. Hes got 207,000 on the bike now....and an Ohlins rear shock!

Edited to add: I used to have the oil changed in my Penske rear shock on my racebike annually. Forks too.... (might be a little overboard for a streetbike )
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Last edited by jwm2k3; May 29th, 2013 at 06:57 PM.
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Old May 29th, 2013, 07:48 PM   #8
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I don't think annually is "overboard for a streetbike" in the least.
Given how little oil there is in a shock absorber, and how hard it may get to work, I think that oil needs to be changed regularly.
Both to enhance the ride, and to reduce wear and tear.
I think 20,000 kms (factory-recommended interval for fork oil) or one year is about right for the shock oil.
I've seen some pretty disgusting fluid come out of shock absorbers. Never seen clean oil come out, unless the unit was virtually brand new..
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