Exhaust gasket / crush washer

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sphen
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Exhaust gasket / crush washer

#1

Post by sphen »

Morning

I’ve had these a while and finally went to put them on this morning, but they seem really thick (having trouble getting enough thread to get the nuts to bite. Is this normal thickness ? I’m assuming they need to be crushed as I tighten but I’m second guessing now.
B3378323-2724-41B5-96AE-6AA5DD19FA87.jpeg
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Project bike "Dixie" - 1986 GL1200 Aspencade being rebuilt from ground up to be a naked 'wing. Build progress thread here: viewtopic.php?f=30&t=71959

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sphen
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Re: Exhaust gasket / crush washer

#2

Post by sphen »

Also, I can’t tell if any prep is needed here - I thought last time I had those out I saw some thin steel washers in there - ?
54BF40E8-94FD-444E-838B-E6F77319011E.jpeg
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Project bike "Dixie" - 1986 GL1200 Aspencade being rebuilt from ground up to be a naked 'wing. Build progress thread here: viewtopic.php?f=30&t=71959

Build log video: View it here

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Whiskerfish
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Re: Exhaust gasket / crush washer

#3

Post by Whiskerfish »

Get a good sharp pick and make sure that no old ones are in there. Have found some stacked 2 or 3 deep in there and that is why there is not enough threads to get the nuts started
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Jonesz
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Re: Exhaust gasket / crush washer

#4

Post by Jonesz »

Whiskerfish wrote: Sat Dec 04, 2021 12:03 pm Get a good sharp pick and make sure that no old ones are in there. Have found some stacked 2 or 3 deep in there and that is why there is not enough threads to get the nuts started
Also after installing the new ones don't try to over tighten them to crush the new gaskets. You should be able to tell when the nuts are good and snug. By over tightening you take the chance of breaking the stud. Ride the bike a couple of times and recheck the nuts. You might have to retighten them.
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Re: Exhaust gasket / crush washer

#5

Post by desertrefugee »

Wise counsel on both points, but it’s easy to overlook old crush washers left in the port. Looks like there might even be one in the example you have pictured.
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sphen
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Re: Exhaust gasket / crush washer

#6

Post by sphen »

It does look like it and I think ur right, but I had no luck getting them out

Didn’t wanna bang too hard on em
Project bike "Dixie" - 1986 GL1200 Aspencade being rebuilt from ground up to be a naked 'wing. Build progress thread here: viewtopic.php?f=30&t=71959

Build log video: View it here

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Re: Exhaust gasket / crush washer

#7

Post by desertrefugee »

Use a pick or small screwdriver to pry it out. Be careful not to gouge the aluminum head.
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Re: Exhaust gasket / crush washer

#8

Post by pidjones »

You may also have one or two (or even more) aluminum gaskets in there. They were produced for it also.
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Re: Exhaust gasket / crush washer

#9

Post by gltriker »

desertrefugee wrote: Sat Dec 04, 2021 9:10 pm Use a pick or small screwdriver to pry it out. Be careful not to gouge the aluminum head.
Catch the edge of the exhaust gasket/s at the bottom end of sparkplug well, water drain hole.
note: There's only one gasket in this exhaust port photo prior to removing it.
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Make sure the drain hole passage is clear from top to bottom while you're at it, too. They can get plugged with trash.
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Re: Exhaust gasket / crush washer

#10

Post by redglbx »

Great tip Cliff !
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sphen
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Re: Exhaust gasket / crush washer

#11

Post by sphen »

Excellent
Project bike "Dixie" - 1986 GL1200 Aspencade being rebuilt from ground up to be a naked 'wing. Build progress thread here: viewtopic.php?f=30&t=71959

Build log video: View it here

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