Muffler Disassembly
I don't think bikes were required to have cat's until much later ('90s?). I don't know what's in the front of the muffler, however, as I can only see about 4 inches into the tail end of the pipe. If I decide to cut them off and replace them with a Cherry Bomb (painted, of course ) I'll take the whole thing apart and we'll see what the innards look like.
I have my mufflers off today and they look pretty rotten inside. It does look as though there could've been a little something down toward the inlet of the muffler at one time. There are the remains of what could've been three little tabs in there. I'll try to take some pictures to share here. You'll get a kick out of how incredibly rotten they are.
1980 CB650c
Ok, here are some pictures. These mufflers are Sankei model 2061. I was able to remove the mufflers because they were cobbled like so:
Yep, somebody just shoved them in there and the only thing holding them in place is the bracket at the passenger footpeg!
Here's some of the stuff I found rattling around inside the header pipes:
And here are photos of each muffler from the inlet end:
I'm sorry that they weren't a little bit more intact for ya'll, but it's the best I could do. Maybe it's time for me to replace my exhaust? I'm trying to find a set of 4-into-2 with turnouts.
Here are a couple of links to some really bad recordings I did inside the garage. The first one is without the mufflers and the second is with them back on. They are WAV files and the only player on this box that will play them is Windows Media Player. If you don't have that, I don't know what will play them.
http://www.mooload.com/new/file.php?file=/data/130507/1179034230/REC002.WAV
http://www.mooload.com/new/file.php?file=/data/130507/1179034608/REC007.WAV
Just click on the link and scroll down the page to where it says 'Click here To Download!' Click on that and save the file someplace, then open the file with the media player.
Yep, somebody just shoved them in there and the only thing holding them in place is the bracket at the passenger footpeg!
Here's some of the stuff I found rattling around inside the header pipes:
And here are photos of each muffler from the inlet end:
I'm sorry that they weren't a little bit more intact for ya'll, but it's the best I could do. Maybe it's time for me to replace my exhaust? I'm trying to find a set of 4-into-2 with turnouts.
Here are a couple of links to some really bad recordings I did inside the garage. The first one is without the mufflers and the second is with them back on. They are WAV files and the only player on this box that will play them is Windows Media Player. If you don't have that, I don't know what will play them.
http://www.mooload.com/new/file.php?file=/data/130507/1179034230/REC002.WAV
http://www.mooload.com/new/file.php?file=/data/130507/1179034608/REC007.WAV
Just click on the link and scroll down the page to where it says 'Click here To Download!' Click on that and save the file someplace, then open the file with the media player.
1980 CB650c
I've already ordered an exhaust. You've got a thing for glasspacks, don't you, Pinhead? Actually, if the rest of the exhaust wasn't so butchered, it might not have been a bad idea to hide glasspacks inside the existing mufflers. Hmm... nice chrome megaphones on the outside, cherrybombs on the inside. Maybe you should try it. You could even cap 'em off with stock looking endcaps.
1980 CB650c
Lol I just like the idea of straight-through mufflers with no restriction. Sure you'd have to re-jet to make it work, but anything to reduce pointless pumping losses that reduce efficiency.
I just like cherrybombs after we put true dual-exhaust's on a 305 SBC in a '59 Chevy Viking. Sounded really good, flowed very well (really woke up the motor) and were nice and cheap.
I just like cherrybombs after we put true dual-exhaust's on a 305 SBC in a '59 Chevy Viking. Sounded really good, flowed very well (really woke up the motor) and were nice and cheap.
Last edited by Pinhead on Fri Mar 25, 2011 3:41 pm, edited 1 time in total.
Re: Muffler Disassembly
i was securing the las exhaust clamp when i heard a sound; the screw broke!! any ideas on how to fix that.
Re: Muffler Disassembly
AH HA !!! but another project.....
Re: Muffler Disassembly
Welcome here!
This means a bolt for the header mounts at the head cracked or the bolt of a clamp for the mufflers?
This means a bolt for the header mounts at the head cracked or the bolt of a clamp for the mufflers?
Cosky's great (free) online manual: http://cosky0.tripod.com
forum links to common technical issues
If you really like this site and you would not like to see it vanish soon, have a look there: Urgent: Future of HondaCB650.com Forum
forum links to common technical issues
If you really like this site and you would not like to see it vanish soon, have a look there: Urgent: Future of HondaCB650.com Forum
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