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  #1  
Old 29th September 2011
krono's Avatar
krono krono is offline
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Default gap in rear exhaust port, is normal?

well, Im trying to fix a exhaust leak on my 1200

I put the nuts to full pressure, but I have this gap in rear exhaust

seems that it does not leak, but the nut seems that does not want to go further in, I fear to cut the thread if I put more pressure....



is this normal? please can you check on your 2004+ bike if you have this gap, looking at the rear exhaust port from the left side of the bike

pictures would help too

thanks a lot, sorry for the silly questions, first time wrenching my bike
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  #2  
Old 29th September 2011
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Default

That gap, on my bike, is about 3mm.

is it even on both sides?
If not, this happens because the nuts weren't tightened evenly. I would loosen both nuts, then retighten slowly, alternating between them and watching that the clamp tightens evenly.
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  #3  
Old 29th September 2011
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If there's no exhaust leak, it's good.
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  #4  
Old 29th September 2011
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Default

Two more comments -

I would use anti-seize on the nuts, and a torque wrench. That way you will not overtighten. If you don't have one, it's a great excuse to get one - they have become much less expensive over the years.
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  #5  
Old 29th September 2011
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Well, I just took a 12 km ride testing the bike, seems that the exhaust leak is gone

The gap is not even :O

I really dont want to remove it, because I have a bigger problem:
1 - Im in Argentina
2 - import of products is closed because of a new pseudo communist gov directive
3 - getting new gaskets was impossible

so I resourced to use the old gaskets plus a "national and popular" silicone high temperature sealant made in here (the red thingy that you can see there)
could not get loctite either, so I used the same silicone to seal the nuts, holds well, because I have used it on other nuts before

basically, I soaked the old gaskets in silicone of high temperature and put them there

I will try to purchase or source a torque wrench, I do have the workshop manual for the bike

Now, should I try to fix it to the proper gap, or should I leave it like this? The exhaust seems to not leak anymore, I did the towel in the exhaust test too (like the manual says)

thanks for all the help, very useful!

btw, seems that the pop on decel is gone too !
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  #6  
Old 29th September 2011
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Harbor Freight always runs deals on torque wrenches, I got a couple of them for $15 each (that wasn't on sale)
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  #7  
Old 29th September 2011
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$15? What's the quality like?
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  #8  
Old 30th September 2011
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Quote:
Originally Posted by sporty4t8 View Post
Harbor Freight always runs deals on torque wrenches, I got a couple of them for $15 each (that wasn't on sale)
Quote:
Originally Posted by Folkie View Post
$15? What's the quality like?
+1

i have found that cheap torque wrenches will bite you. have a few gathering dust since I finally pulled my head out of my rear and bought a decent trustworthy wrench.
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  #9  
Old 30th September 2011
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Default

It sounds and looks like the ring that holds the mount on the exhaust is cocked crooked or bent. This will keep you from tightening the exhaust evenly. Its happened to me. Best way is to take off the exhuast and make sure the ring sits flush in the indent while putting it on.
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  #10  
Old 30th September 2011
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Different pipes will have different gaps, the dyna I help a guy with has a good quarter inch gap. But mine has around a sixteenth of an inch gap. Like Folkie said if there is no leak your fine just make sur you torque to spec. 18 inch lbs on the top then 150 inch lbs on the bottom then the top gets 150 inch lbs.
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