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Old 15-08-2011
lordnikon lordnikon is offline
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Default Big Bores - leaking

Read through a couple of threads on this as i have one rear shock that is leaking slightly, losing 1/3 of its contents on a half dayer.

Its a pain and i would like to fix it, however what do i need to stand the best chance of sorting this once and for all ?? One of the team drivers mentioned some upgraded seals but i didn't make a note of it and i've now forgotten !

Seems its weeping the shock oil down the shaft onto the bottom cup.

Kinda disappointed for £42 to be honest.
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Old 15-08-2011
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moth898 moth898 is offline
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You probably cut the seals on that shock. I found that putting the piston on the shaft and intalling it from the top was easier but sometimes the threads cut the seals.
I now pack the seals with alot of associated green slime and instal them through the bottom, haven't had a leak since.
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Old 15-08-2011
cigbunt cigbunt is offline
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ive noticed on the cougar the inside of the shocks peal/leaf

can see shiny bits in the oil!
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Old 15-08-2011
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discostu discostu is offline
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replace the o rings the kit ones are rubbish use whiteys or like i did orange ae ones never had a problem since
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Old 15-08-2011
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mikeyscott mikeyscott is offline
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Quote:
Originally Posted by discostu View Post
replace the o rings the kit ones are rubbish use whiteys or like i did orange ae ones never had a problem since
Yup nortech whites
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Old 15-08-2011
lordnikon lordnikon is offline
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These came pre-built i assume from the factory as a number of suppliers sell them.

So i basically need some of this green slime

http://www.m-k-racing.com/product_in...1ba3d441a3cf4a

And one of these, but just use the orange seals - is it worth replacing all the stock schumacher ones with these ??

http://www.m-k-racing.com/product_in...oducts_id=7911

Just using MK as an example
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Old 15-08-2011
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V-Rossi V-Rossi is offline
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Indeed, green slime will help but you really need other o-rings.

- Losi 1/8" ones (the standard red/orange ones)
- Nortech Whities
- The rings janus_77 has, he has a gazillion of them
- Team Xtreme has some (expensive)

When building the shocks and want to be sure you don't damage the seals when inserting the shock shaft, put some thick grease or tape over the threads.

Or put the seals in some 100wt shock oil for a while, then apply green slime, let it rest for a few hours and then install the seals. But this may be a bit over the top
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