Leaky forks on my Wr 400

I just bought a 98 wr 400 and have not had time to ride or get a service manual...

Does anyone have experience with fork seals... Left side is wet... It has a fork sock on it and it's not soaked but a leak is a leak...

I was just wondering how difficult it would be to tear it apart and replace a seal...

Its not too hard to do the seals. I would recomend getting a manual though for all the oil levels etc. :applause:

Manual would be necessary for first timer. You'll also need a seal driver which can be made out of PVC slipxslip pipe coupler, I think you want 2", cost is about .98 cents :applause:

I just took my 03 fork apart for the first time last night. Seal was out in under an hour. None too difficult and no special tool required aside from the driver.

I have always used the old fork seal to drive the new one in. The only issue with that on USD forks is that you have to cut off the old seal with a side cutters.

its not unheard of for fork seals to leak , if the bike has been standing for a while and then used ....SOMETIMES they stop leaking again on there own ....worth a try if your bike has stood for a time :applause:

might try CLEANING the seal before replacing it, if it is only barely leaking.

Run some camera film up under the seal to scrape away any dirt in between the seal and the fork shaft.

I have always used the old fork seal to drive the new one in. The only issue with that on USD forks is that you have to cut off the old seal with a side cutters.

I also use the old seal to drive the new ones in, my old seals are in my toolbox but i can't remember how i done it without cutting them :bonk::applause:

Put 2 rounds of electrical tape around the fork leg about 2 inches below the seal, push down on the bars a couple of times , take off the tape. If it still leaks change it.

might try CLEANING the seal before replacing it, if it is only barely leaking.

Run some camera film up under the seal to scrape away any dirt in between the seal and the fork shaft.

I tried this on my 02 and it works great :applause: Then I added some seal savers to keep the dirt out.

Quote:

Originally Posted by ARin

might try CLEANING the seal before replacing it, if it is only barely leaking.

Run some camera film up under the seal to scrape away any dirt in between the seal and the fork shaft.

I tried this on my 02 and it works great

Put 2 rounds of electrical tape around the fork leg about 2 inches below the seal, push down on the bars a couple of times , take off the tape.

This is much easier and has the same result. :applause:

This is much easier and has the same result. :applause:

I tried the tape technique too but IMO the film works better because the holes along the edge trap the dirt and help pull it out :bonk:

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