Posts
1820
Joined
7/26/2015
Location
MA
US
My YZ250 only has 15 hrs on it but it’s dead of winter so I figure I’ll knock out the first suspension service now.
I’m pretty sure all my shock needs is fresh oil. After looking through manual and watching some online videos, should I replace the seals if they still look ok? It wouldn’t be a problem but I’ll have to grind of that peened nut and then replace the seal assembly which I don’t mind doing but that’s another $50 worth of parts.
I’m notorious for replacing parts way before their service life is up so if I can save some labor and cash this go around that would work for me.
I’m pretty sure all my shock needs is fresh oil. After looking through manual and watching some online videos, should I replace the seals if they still look ok? It wouldn’t be a problem but I’ll have to grind of that peened nut and then replace the seal assembly which I don’t mind doing but that’s another $50 worth of parts.
I’m notorious for replacing parts way before their service life is up so if I can save some labor and cash this go around that would work for me.
The Shop
At 15 hours you don't need to do anything.
Forks, yes. But not the shock.
The shock is a sealed pressurized unit with no metal to metal wear taking place (unlike a fork that has a metal spring in it).
About the only thing you need to do with a shock between major service intervals is to just top it off and verify the pressure.
Now...that said, if you're racing for the championship or doing a lot of really hard core MX, it never hurts to make sure that everything on a bike is 100%. It's all about time and money and a level of perfection.
That said, shock seals can last a very very long time.
You can get the individual parts. There's no need to replace the whole seal head. It is rebuildable.
You can buy a new KYB made nut as well.
Race Tech sells the tools you can use to work on your shock.
Also, look into the DRC oil cup and adapter. I bought one, but have not used it yet on my YZ250.
Post a reply to: Replace shock seals with oil change?