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MarkT Exhaust
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Author Topic: Silicon Rubber or Equal for Rattle  (Read 977 times)
Fazer
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Posts: 947


West Chester (Cincinnati), Ohio


« on: October 11, 2016, 05:33:54 AM »

On my Tourer, the metal bag support rests on top of the truck stacks and when I hit a bump, I get an annoying rattle.  I am thinking a small piece of high temp rubber gasket to withstand the heat of the exhaust would be just the ticket.  I see listings for rubber gasket material on Ebay, but there has to be a simple source for something like this.  My plan would be to use double stick tape to the bottom of the saddle bag support where it hits the exhaust.

Any thoughts?
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big poppa pump
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San Antonio, TX


« Reply #1 on: October 11, 2016, 05:47:56 AM »

It shouldn't be rattling in the first place. Something is loose.
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1998 Valkyrie Hot Rod

John Schmidt
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a/k/a Stuffy. '99 I/S Valk Roadsmith Trike

De Pere, WI (Green Bay)


« Reply #2 on: October 11, 2016, 06:39:05 AM »

Is it the black pan/guard that's screwed to the bottom of the bag mounts? If so, I would assume the contact is at the very back end where it curves down....mine did the same on one side. The cure....my jig saw with a metal cutting blade. I cut off the back end where it came in close contact on one side and touched on the other, been that way for a dozen years with no adverse results for exhaust heat. Just be sure to paint the edges where you cut to prevent weathering.
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98valk
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South Jersey


« Reply #3 on: October 11, 2016, 09:31:20 AM »

check the chrome exhaust heat shield next to the rider's right foot peg for looseness.
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C  10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp

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Fazer
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Posts: 947


West Chester (Cincinnati), Ohio


« Reply #4 on: October 11, 2016, 10:55:22 AM »

Good suggestion John.  That is exactly where it is hitting. 

Big Poppa--how ya doin'?  It's very tight, not loose anywhere.  It hits, just line John said his did when hitting sharp bumps--not swells, like spreed bumps, although I suppose if you hit them hard enough it would flex enough to rattle.

98Valk had a good suggestion about the heat shield, but I have already chased that one down.  I had to buy a couple of rubber sleeves that cover the tabs where they attach to the rest of the system.  No rattle there.
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mark81
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Cincinnati Ohio


« Reply #5 on: October 11, 2016, 04:19:33 PM »

You could do this Greg

http://www.horseapple.com/Valkyrie/Tech_Tips/Interstate_Stacks/interstate_stacks.html

Are you sure your exhaust isnt tweaked slightly?

Easy place to source heat resistant silicon sheet is a pot holder. Another option might be a kevlar oven mit like "the OveGlove"  look in the kitchen section at target or meijer and I'm sure there will be something
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1997 Honda Valkyrie
1981 Honda CB750 Custom
Jess from VA
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No VA


« Reply #6 on: October 11, 2016, 04:35:24 PM »

My interstate heat shields (below bags) got rattley.  And where they touched the exhaust truck stack tips, they corroded a bit (just narrow lines).  I took my bags off, and bent the heat shields up (just) a bit in the back.  When I put the bags back on, I had to push them down hard to get the bolts tapped (pushing the bent up shields down a little), and every time they come off, I have to do some pushing again.  But no more rattle.  

Anything like rubber or silicone you stick down there is going to melt, smell and make a mess.  A better spacer would be a chunk of steel/nut/washers/small rock, but bending them up a bit in back does the trick.
You are not trying to cushion the heat shields from the stacks, you are moving the shields above the stacks (like only a couple millimeters). 
« Last Edit: October 11, 2016, 04:42:36 PM by Jess from VA » Logged
Bighead
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Posts: 8654


Madison Alabama


« Reply #7 on: October 11, 2016, 08:10:58 PM »

My interstate heat shields (below bags) got rattley.  And where they touched the exhaust truck stack tips, they corroded a bit (just narrow lines).  I took my bags off, and bent the heat shields up (just) a bit in the back.  When I put the bags back on, I had to push them down hard to get the bolts tapped (pushing the bent up shields down a little), and every time they come off, I have to do some pushing again.  But no more rattle.  

Anything like rubber or silicone you stick down there is going to melt, smell and make a mess.  A better spacer would be a chunk of steel/nut/washers/small rock, but bending them up a bit in back does the trick.
You are not trying to cushion the heat shields from the stacks, you are moving the shields above the stacks (like only a couple millimeters). 

This.^^^^^^^
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1997 Bumble Bee
1999 Interstate (sold)
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