voz
New Member
Posts: 7
Likes: 2
Registered: Jul 2, 2023 9:23:56 GMT -7
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Post by voz on Dec 19, 2023 5:17:54 GMT -7
I have a 2017 MT10 SP steering damper with about 20,000 klm on it. Bike was in a crash and the steering damper broke the frame tab it bolts to and the damper rod was also slightly bent. Had the frame welded and the rod straightened and it operates well now by hand, not mounted on the bike yet.
The damper operation using my hands to move the rod feels ok but also feels like some really small grains in there making very slight grinding sounds usually at the end of the stroke on the side that has the L section bolted to it. Not sure if it is junk in the oil or from broken internals or normal? Also if I move it from left to right there is about a 10mm gap/slop where it makes a metal sound as it reaches it's 100 mm limit.
So, I was wondering if it was possible to get new seals for these and refresh the oil.
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Post by RedAndBlack on Dec 19, 2023 10:53:02 GMT -7
If you can find the internals for it, I'm sure it could be rebuilt like anything else. Measure the oil that drains out and replace it with about the same. I think fork oil is fine for this application. You may even find that is all you need to do, and that the seals are in ok condition. But if you can find them, I would definitely replace them.
Now, should you? Absolutely not. Bent it? It's not currently operating smooth and feels like grinding? Not worth it.
You might not be soliciting advice on if you SHOULD do it or not but I feel like I have a responsibility to share my experience. I had an GPR seize up on me mid corner on my old ZX6R. That was fucking scary. I couldn't get the bike to turn and I was lucky I was in a low speed corner and was able to trail brake and counter steer it enough to get it through the corner. It was new, sent it to GPR and they confirmed it was fucked up. Even after I got it rebuilt, I just sold it, that's how badly that experience fucked with me. Sitting here at my work desk I can still pull up that memory clear as day as if I'm back out on that road in the same corner despite it being probably like 8 years ago or about then.
Still, it probably doesn't hurt to crack it open and see what's going on if you're going to discard it anyway. Send pics if you do, I'd be curious of what the internals look like and how much oil they put in there.
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voz
New Member
Posts: 7
Likes: 2
Registered: Jul 2, 2023 9:23:56 GMT -7
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Post by voz on Feb 19, 2024 3:10:34 GMT -7
If you can find the internals for it, I'm sure it could be rebuilt like anything else. Measure the oil that drains out and replace it with about the same. I think fork oil is fine for this application. You may even find that is all you need to do, and that the seals are in ok condition. But if you can find them, I would definitely replace them. Now, should you? Absolutely not. Bent it? It's not currently operating smooth and feels like grinding? Not worth it. You might not be soliciting advice on if you SHOULD do it or not but I feel like I have a responsibility to share my experience. I had an GPR seize up on me mid corner on my old ZX6R. That was fucking scary. I couldn't get the bike to turn and I was lucky I was in a low speed corner and was able to trail brake and counter steer it enough to get it through the corner. It was new, sent it to GPR and they confirmed it was fucked up. Even after I got it rebuilt, I just sold it, that's how badly that experience fucked with me. Sitting here at my work desk I can still pull up that memory clear as day as if I'm back out on that road in the same corner despite it being probably like 8 years ago or about then. Still, it probably doesn't hurt to crack it open and see what's going on if you're going to discard it anyway. Send pics if you do, I'd be curious of what the internals look like and how much oil they put in there. Sage advice friend. After I had the rod straightened, it was only out by the slightest amount, it feels fine and I have fitted it to the bikeI am rebuilding. I take your story seriously and will be mindful of any warning signs that it may fail, cheers. |
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