July 17, 20197 yr I recently picked up a Gas Gas TXT pro 280 2013 (this is my first bike and I am a complete nub on this stuff), It has 40mm Marzocchi front shocks and they leak quite a bit. From what I have found they do this so they are very smooth. However it is getting into my front break and ruining break pads. I am looking for shock seals to prevent the leaking. I understand the shock may no longer be as smooth but it is something that I really want to stop to save my front break. I was looking at putting in https://www.trialstoreusa.com/skf-fork-oil-seals-40mm/ Anyone have suggestions or input on this. Thank you all.
July 17, 20197 yr 57 minutes ago, chelski said: From what I have found they do this so they are very smooth. This is wrong, they should leak absolutely nothing, Check that your stanchions aren't scored or dinged that would contribute to them leaking Edited July 17, 20197 yr by faussy
July 17, 20197 yr Author 4 minutes ago, faussy said: This is wrong, they should leak absolutely nothing, Check that your stanchions aren't scored or dinged that would contribute to them leaking Thanks for the reply, I have looked at the stanchions and they are in great shape no scratches or scoring on them. The bike had hardly been used before I got it, everything is dang near brand new. But if the shocks should not leak like that then maybe the shock seals dry rotted out a bit as it had just been in a garage for years.
July 17, 20197 yr 3 hours ago, chelski said: I was looking at putting in https://www.trialstoreusa.com/skf-fork-oil-seals-40mm/ Those SKF seals are excellent. And, as faussy said, they should leak absolutely nothing. When you assemble them, a seal grease like Race Tech's "Ultra Slick" helps to reduce stiction. See: https://www.rockymountainatvmc.com/parts/race-tech-ultra-slick-seal-grease-p Edited July 17, 20197 yr by konrad
July 17, 20197 yr Author 43 minutes ago, konrad said: Those SKF seals are excellent. And, as faussy said, they should leak absolutely nothing. When you assembly them, a seal grease like Race Tech's "Ultra Slick" helps to reduce stiction. See: https://www.rockymountainatvmc.com/parts/race-tech-ultra-slick-seal-grease-p Thanks for the info, like I said I am totally new to this stuff, I did not think of sealing grease. I should have, I use it all the time on my RC racing buggies in their shocks. any suggestions on shock oil?
July 17, 20197 yr https://thehellteam.blog › servicing-... Web results Servicing Marzocchi 40mm Aluminium forks. | The Hell Team - Trials Nation
July 17, 20197 yr 5 hours ago, chelski said: ...any suggestions on shock oil? Yes. I'm working on a lengthy write-up titled Improving 40mm Marzocchi Forks, but briefly... GasGas says to use an SAE 7.5 oil in their Marzocchi forks. Unfortunately, there is a lot of variability between manufacturers in what they consider to be a 7.5 weight oil. I strongly suggest that you select fork oil based on its kinematic viscosity (which is measured in centiStokes) instead of by its rated weight. Peter Verdone has a fabulous table of many readily available fork oils along with their kinematic viscosity. See: https://www.peterverdone.com/archive/lowspeed.htm Forks run cool, so all I care about is the kinematic viscosity at 40 degrees C. In the US, the recommended fluid is Golden Spectro Cartridge Fork Fluid 125/150 (which is 26.1 cSt @ 40C). Personally, I feel that is too heavy and am using Maxima 85/150 (which is 15.9 cSt @ 40C). Edited July 18, 20197 yr by konrad typos
July 17, 20197 yr 4 hours ago, konrad said: Yes. I'm working on a lengthy write-up entitle Improving 40mm Marzocchi Forks, but briefly... GasGas says to use an SAE 7.5 oil in its Marzocchi forks. Unfortunately, there is a lot of variability between manufacturers in what they consider to be a 7.5 weight oil. I strongly suggest that you select fork oil based on its kinetic viscosity (which is measured in centiStokes) instead of by its rated weight. Peter Verdone has a fabulous table of many readily available fork oils along with their kinematic viscosity. See: https://www.peterverdone.com/archive/lowspeed.htm Forks run cool, so all I care about is the kinematic viscosity at 40 degrees C. In the US, the recommended fluid is Golden Spectro Cartridge Fork Fluid 125/150 (which is 26.1 cSt @ 40C). Personally, I feel that is too heavy and am using Maxima 85/150 (which is 15.9 cSt @ 40C). WTF you talking about ??????
July 18, 20197 yr 30 minutes ago, b40rt said: WTF you talking about ?????? I fixed some typos. Did that make it any clearer?
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