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I am trying to repack my Akrapovic/BMW slip-on can thats on my XR.
The rivets are located only on the exit side of the can. The inlet side is completely sealed. I removed the rivets, ran a pick between where the metals meet to clean it up, but I'm having trouble pulling it apart. There is also nothing to really grab onto to pull it apart. I am able to wiggle the center piece a little but not able to pull it away from the sleeve.
Are these meant to come apart to be repacked? How do it take it apart?!
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Four wheels move the body, two wheels move the soul.
Current: 690E. Past: FE250, S1000XR, S1000R, Streefighter S, Monster S2R1000, RC51
I have repacked an older Yosh pipe a couple times. Getting those caps off can be a real bear. When you assemble you should be sealing it. That sealant acts as an adhesive too. I, unfortunately, haven't figured out a way to easily separate the ends except with some pretty brutal force; screwdrivers, prying, etc. I wonder if applying some heat might help too. Much more difficult on a street bike where you care about looks. My Yosh experience is with a shitbox SV race/track bike.
Good luck. Wear gloves. The packing is usually carboned up pretty bad.
Four wheels move the body, two wheels move the soul.
Current: 690E. Past: FE250, S1000XR, S1000R, Streefighter S, Monster S2R1000, RC51
I've used a rubber mallet to knock it back and forth to get it moving.
Am I supposed to repack my slip-on?? I haven't touched the LeoVince that's been on my Tiger for over 50k miles now![]()
I did my r1 at about 44000 miles.
I wound up removing both ends. It sort of turned into a clusterfuck. But then I have an older yosh pipe that had been down and had some "patina" to it. A clean street bike should be different.
Apply heat around where the end-cap is riveted to the can itself.
Well. It will only get louder as the packing gets burned out!
In my case I repacked a really knackered used can once while racing. I then repacked it again years later for a track day at Palmer as I was convinced the bike was not going to pass their sound checks. That time the packing was in really good shape and arguably did not need to be repacked. I could not tell the difference after the repack. Although I was not flagged at Palmer.. so?!?
I also repacked my 2-stroke dirt bike with who knows how many hours on it. The packing in that silencer was so good I just put it back and held onto the packing kit for another day. I have no idea how to gauge when it needs to be done or not.
Louder means faster, right? I'm positive that's the mentality by some car/bike people that speed by my house. Anywho, I guess I'll just leave it as is -- I haven't noticed an increase in noise (I'm sure it's subtle over a long period of time) but if that's the only side effect, I don't see the need to tear into it just yet![]()
Another reason to repack an exhaust is in the event the original packing degrades significantly and causes discoloration on the metal sleeve or starts to burn a carbon sleeve. I had this happen on a Termi carbon exhaust on my hyper, luckily for me both ends of the sleeve had riveted endcaps and was a relatively easy job. My only suggest to the OP would be to maybe use a coat hanger to fish out the old packing material?
Hyper