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Go Back   FZ1OA Message Board > FZ1 & Fazer Owners Association > Exhausts, Carburetion & Performance > Gen 2 Exhausts, Fueling & Performance

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Old 07-30-2017, 01:06 PM   #1
silentcropduster
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Yoshi exhaust repack necessary?

2010 FZ1 with 16,xxx miles. I have a Yoshi TRC carbon fiber.

Muffler has never been repacked, shows no signs of discoloration on the CF (I do keep it clean). I guess the question is if I don't repack it, will the muffler be hotter over time then it would be if I did repack it? It seems likes its a huge PITA to repack the muffler.

Thanks in advance.
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Old 07-30-2017, 01:19 PM   #2
9Lives
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I repacked one at 40,000 km. The old packing was still fine, and yes it was a royal PITA
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Old 07-30-2017, 03:09 PM   #3
silentcropduster
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Quote:
Originally Posted by 9Lives View Post
I repacked one at 40,000 km. The old packing was still fine, and yes it was a royal PITA
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Old 07-31-2017, 05:39 AM   #4
Neanderthal
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No idea what they charge, but Yoshimura does have a service dept that will repack it for you. It would at least be worth an email or phone call to see what the cost is.
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Old 07-31-2017, 05:45 AM   #5
fermic37
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You can tell by the sound if it needs repacking. If its starting to sound like a tin can then its time. You can buy the material and stainless rivets pretty cheap. Or buy a repacking kit. Its really not bad at all. I repacked my old Yoshi when I shortened it on my last bike.
And have to do my dirtbike about once a year, just wear gloves and an old sweatshirt.
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Old 07-31-2017, 09:03 PM   #6
TallOne
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Quote:
Originally Posted by fermic37 View Post
You can tell by the sound if it needs repacking. If its starting to sound like a tin can then its time. You can buy the material and stainless rivets pretty cheap. Or buy a repacking kit. Its really not bad at all.
Replacing materials are $30, all inclusive. It's easy as pie. Yes, it needs it. Any glass pack muffler does. Twins are harder on the packing due to exhaust pulses. You can't really hear it deteriorate.

Watch one of the hundreds of videos on tube. Interesting side note, the type and diameter of core makes a big difference, as well as the metal mesh.

Finally, CF is more prone to hot spots and failure, so doubly important. Need pop rivet gun. $15 at Autozone.
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Old 08-01-2017, 05:00 AM   #7
NinjaReverend
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Yosh claims that the rivets on the carbon fiber are a royal bitch unless you have a stationary riveting machine (I'm guess just a big one). If one of my c/f mufflers needs it, I'll send it to them. Many times you'll get it back in a better condition (aesthetically) than how you sent it.
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Old 08-01-2017, 05:02 AM   #8
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I shortened a carbon fiber leo vince exhaust on my buddies aprilia rsv4. Rivets were no different on the CF as they were on the metal versions. I assume Yoshi is no different.
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Old 08-01-2017, 02:34 PM   #9
ballmead
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I shortened my Akra a few years ago; you'll need a larger rivet gun as the stainless rivets are quite hard to install with a normal hand rivet gun. Either that or I'm as weak as piss ;)
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