Muffler Musing. - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 33 (permalink) Old 08-21-2013, 02:37 PM Thread Starter
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Muffler Musing.

Gentlemen.
When should I replace my stock OEM mufflers with new ones ? Does this depend upon age or mileage or any other issues ?
Mine is an '02 RC with approximately 27000 Miles. I've no issues with my stock cans & do not wish to replace them with aftermarket ones.
I searched the Forum & my Owners' Manual, but could not get an answer to my query.
Thank you all.
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post #2 of 33 (permalink) Old 08-21-2013, 02:51 PM
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Actually a really good question. Most after market exhaust manufacturers recommend repacking every 7-10k miles. The OEM exhaust will get a lot more miles out of it, not sure how much though. The only indication i really know of is the obvious exhaust getting louder.

Maybe contact a Honda dealer? i'm sure they could look something up for you.

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
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post #3 of 33 (permalink) Old 08-21-2013, 03:08 PM
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Garage
It is a very good question my good doctor,
Can you say if they are louder then you remember ?
Also I have come to learn that light cans are usually needing a repack... Due to the packing being burnt out.

Depending on your mileage I would say OEM exhaust would do well with a repack around 15-20k.
Especially the right side.
But most have changed the exhaust long before this time comes with OEM exhaust setup.
Be interesting to see your mileage and what is left in there for packing.
Keep us posted Atif.


Edit... Just reread that... You posted the mileage
" Sent from Duck's pond "

-2001 Honda RC51 sp1 " Slightly Modified "
-2001 Honda 929RR Erion Edition
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post #4 of 33 (permalink) Old 08-21-2013, 03:17 PM Thread Starter
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Deadening Decibles.

Thanks, gts455.
The Honda dealer here won't give the time of day, since I did not purchase my bike from them. The RC/SP was not imported into the Kingdom, as far as I know.
The Honda dealer in Houston gave me a vague answer, but said that "if it ain't broke, don't fix it". This was last April, when I was there. The stock cans are not any louder than before. But then again, I could be going deaf in my old age !
Being so far away & literally a couple of weeks from spares delivered to me, should I need them, even when I use a 1 - 3 day delivery schedule via UPS/FedEx, you can see how I try to do preventative maintenance on the bike, just so I don't get stuck anywhere with a broken down machine. The time these couriers (UPS/FedEx), take to deliver stuff to my door is frustrating. They always come up with lame excuses.
I already have an FPR & am thinking of adding a Regulator/Rectifier to my order of the rear seat cowl that I lost on my first ride after 2 months, just a few days ago, after the birth of my second son. The last ride I did, I posted on YouTube, just 2 days before he was born in June & then I got so busy that I couldn't go out even for a short ride, until the rear cowl losing lame ride, a couple of days ago.
Now I need a "feel good pill".
I'm wondering if they'll miss a vial of Morphine from the Medicine Cabinet in the ER at work. Hmmm .... ... .. . .
Thank you for your quick reply. I'm in my "On Call Room" at work. Whiling away the time ... . .. .. & life ... ... . . !
Does anyone think I'm depressed ?
It's probably because I shan't get any better until the RC is whole again, with it's rear cowl cover .... . .... .. .
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Ride Safe & Friendly.
Regards,
Dr. Rahi.

Last edited by Muhammad Atif; 08-21-2013 at 03:32 PM. Reason: Wanted to comment upon my hearing !
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post #5 of 33 (permalink) Old 08-21-2013, 03:28 PM Thread Starter
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Duck Pond Diagnosis & Demurring.

Hello DuckHunter.
Thank you ever so much for your kind reply.
As I sit alone & depressed in my Call Room at work at 2330 hrs., I feel a little better that there are good members on this Forum to listen to my anguished, lonely & bitter cries for help.
I thank you all from the bottom of my broken heart, Gentlemen.
Thank You !
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post #6 of 33 (permalink) Old 08-21-2013, 03:29 PM
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haha sorry to hear you are stuck there. I hate being stuck at work with not much to do. At least you have the forum to help keep you occupied.
I completely understand about the preventative maintenance. Since that is the case it can't hurt to order a set now and just have them as a back up for when they need replacing. Rectifier was a smart move too. I would also track down a spare CDI box and ignition coils as well. They like to go bad on the RC after awhile as well.
Do us a favor, when you do replace the exhaust, cut open the original ones so we can see what kind of wear and tear the OEM's took over that amount of mileage. I would imagine they are pretty hefty.

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
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post #7 of 33 (permalink) Old 08-21-2013, 03:48 PM Thread Starter
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Spare Sale With Paltry Parts.

Quote:
Originally Posted by gts455 View Post
haha sorry to hear you are stuck there. I hate being stuck at work with not much to do. At least you have the forum to help keep you occupied.
I completely understand about the preventative maintenance. Since that is the case it can't hurt to order a set now and just have them as a back up for when they need replacing. Rectifier was a smart move too. I would also track down a spare CDI box and ignition coils as well. They like to go bad on the RC after awhile as well.
Do us a favor, when you do replace the exhaust, cut open the original ones so we can see what kind of wear and tear the OEM's took over that amount of mileage. I would imagine they are pretty hefty.

Ha, ha. Thanks for making me laugh out loud, gts455. And thank you for the kind & sympathetic words.
Will also order a CDI & spare ignition coil. Anything else you may suggest would be most welcome.
I already have a spare thermostat body with cover, temperature sensor & seals, etc. I'm also replacing the fuel pump seal & related gaskets.
Should I get a stator & what is it ? If it also has a reputation to fail, that is.
Whenever I replace my stock cans, I shall be sure to gut it out & dissect it, all in the name of science.
Thank you.
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Ride Safe & Friendly.
Regards,
Dr. Rahi.
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post #8 of 33 (permalink) Old 08-21-2013, 03:58 PM
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Stator is another big one to have. Other then that it sounds like you got it all covered. Are you ordering most of your parts from the US? i wonder if maybe ordering from Germany, UK, or somwhere in Europe might be quicker. I'm in Germany, let me know if i can help you out with anything.

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
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post #9 of 33 (permalink) Old 08-21-2013, 03:59 PM Thread Starter
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Spare Sale With Paltry Parts.

Quote:
Originally Posted by gts455 View Post
haha sorry to hear you are stuck there. I hate being stuck at work with not much to do. At least you have the forum to help keep you occupied.
I completely understand about the preventative maintenance. Since that is the case it can't hurt to order a set now and just have them as a back up for when they need replacing. Rectifier was a smart move too. I would also track down a spare CDI box and ignition coils as well. They like to go bad on the RC after awhile as well.
Do us a favor, when you do replace the exhaust, cut open the original ones so we can see what kind of wear and tear the OEM's took over that amount of mileage. I would imagine they are pretty hefty.

Ha, ha. Thanks for making me laugh out loud, gts455. And thank you for the kind & sympathetic words.
Will also order a CDI & spare ignition coil. Anything else you may suggest would be most welcome.
I already have a spare thermostat body with cover, temperature sensor & seals, etc. I'm also replacing the fuel pump seal & related gaskets.
Should I get a stator & what is it ? If it also has a reputation to fail, that is.
Whenever I replace my stock cans, I shall be sure to gut it out & dissect it, all in the name of science.
Thank you.
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Ride Safe & Friendly.
Regards,
Dr. Rahi.
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post #10 of 33 (permalink) Old 08-21-2013, 04:11 PM
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Doc unless the stock cans have rusted through there is no service interval as the stock cans use no packing (I'm almost 100%)...just a series of chambers and baffles to quiet down the bike.

I just see them rusting anytime soon especially in your climate...



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