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rattle in the muffler #47434
05/23/06 12:55 pm
05/23/06 12:55 pm
Joined: Aug 2001
Posts: 63
Central Ohio
Steve in Ohio Offline OP
BritBike Forum member
Steve in Ohio  Offline OP
BritBike Forum member
Joined: Aug 2001
Posts: 63
Central Ohio
I just got a used set of mufflers for my project off e-bay (probably paid too much). When I got the package opened one pipe was really nice, the other acid stained. When I shook it it had a very noticible rattle and upon inspection I noticed that the baffle on the front end had broken loose. Can this be fixed? I know nothing about welding or even if it could be accessed. Any suggestions.
Thanks in advance
Steve in Ohio



'68 A65 Bitsa
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Re: rattle in the muffler #47435
05/23/06 4:48 pm
05/23/06 4:48 pm
Joined: Sep 2002
Posts: 7,812
Seattle
Alex Offline

BritBike Forum member
Alex  Offline

BritBike Forum member
Joined: Sep 2002
Posts: 7,812
Seattle
Coupla options here for ya:
1. If the insides are rotten enough, try to break them up and shake them out.
2. Cut the muffler in half, take the guts out and weld it back together. This will leave a visible, unsightly seam.
3. Cut out a patch facing the bike and remove the guts. This will render the weld less visible, but is more difficult to do.

Either way, the bike will be loud without the baffle. Unfortunately, welding a rusy baffle inside a rusty muffler is nigh-on impossible. Besides, it'll sound cool!

Cheers


A smattering:
'53 Gold Flash
'67 Royal Star
'71 Rickman Metisse
'40 Silver Star
'37 Rudge Special
sixtyseventy Lightboltrocket road racer...and many more.
Re: rattle in the muffler #47436
05/23/06 4:53 pm
05/23/06 4:53 pm
Joined: Oct 2003
Posts: 11,148
North Georgia, USA
RF Whatley Offline
BritBike Forum member
RF Whatley  Offline
BritBike Forum member
Joined: Oct 2003
Posts: 11,148
North Georgia, USA
Bad deal. If the PO ever ran leaded fuels then the inside of the mufflers are slowly being eaten out as we speak. That may be why the baffle turned loose. Baffles would be one of the first parts to "go".

You can't weld controlably in the confinded space to my knowledge. Poured in epoxy won't work becasue it's going to be all corroded surfaces inside there.

You might be able to fold, spindle and mutilate the baffle, and pull it out, if you can get the muffler to say, "Ahhhh!"

bigt


Don't hide 'em, Ride 'em !!

RF Whatley
Cornelia, GA

"Shop Boy" at Rodi British Bikes
Re: rattle in the muffler #47437
05/24/06 7:36 am
05/24/06 7:36 am
Joined: Oct 2004
Posts: 4,429
Melbourne Australia
Tiger Offline
BritBike Forum member
Tiger  Offline
BritBike Forum member
Joined: Oct 2004
Posts: 4,429
Melbourne Australia
And running a muffler with a loose baffle is asking for it to restrict that cylinder [sometimes intermittently] and maybe cause piston damage.


1969 TR6R
7.62 x 51 is not a maths puzzle.

Moderated by  Alan_nc 


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