Exhaust studs.

[milleplod]

Just fitted new suspension to my '06 RT, so all the plastics are now off and I'm fettling! I've taken the headers and silencer off - the nuts came off very easily - I've got some brass ones to go back on - but the studs themselves are quite manky. Sherlocks do stainless replacements. What do you reckon - just clean up the studs with my dremel, or remove and replace? Do the 1200 studs have a tendency to seize like the earlier bikes?

Pete

 

[Tractors are go]

Just fitted new suspension to my '06 RT, so all the plastics are now off and I'm fettling! I've taken the headers and silencer off - the nuts came off very easily - I've got some brass ones to go back on - but the studs themselves are quite manky. Sherlocks do stainless replacements. What do you reckon - just clean up the studs with my dremel, or remove and replace? Do the 1200 studs have a tendency to seize like the earlier bikes?

Pete

Clean them up with brass wire brush in dremel then anti-seize paste. Unless they are obviously corroded in which case replace.

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[milleplod]

For some reason, one of them is much mankier than the others - it would probably be the one that shears off if I do try to remove them! I'm leanin' towards cleanin'.....

Pete

 

[Tractors are go]

For some reason, one of them is much mankier than the others - it would probably be the one that shears off if I do try to remove them! I'm leanin' towards cleanin'.....

Pete

Nothing is as bad as the 11xx studs. I had to get mine spark eroded.

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[milleplod]

Been reading all about early ones, hence my hesitation in messing with mine!

 

[Tractors are go]

Use a brass wire brush; then run a die nut down the thread to make sure they're ok.

Then replace nuts. I prefer the old Honda style domed nuts, filled with anti seize paste.

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[milleplod]

I bought some brass dome nuts, should look nice....and no corrosion either. Just got the dremel out....my wire brushes are nearly bald, which I forgot aboutt....new ones ordered!

 

[Pukmeister]

New nuts and nickel based grease.

 

[milleplod]

New nuts and nickel based grease.

Thanks. Nickel based stuff isn't cheap, is it!! Best price is around £7 for a tiny tube.....on Amazon, from Latvia!

Pete

 

[Tractors are go]

You could use aluminium paste, not much cheaper though.

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[DevonAl]

Pete, I can send you some aero spec neverseeze, if it's good enough for gas turbines it's fine for BMW's, I use it all the time on all my vehicles. PM me.

Al.

 

[Bendy toy]

The OEM closed end nuts have been fine on mine. The very worst exhaust nuts were on a Yamaha. They were drilled right through with a hex socket on one end. The hole through was perfect for making sure they seized up. I got them out by arc welding the nuts. The sharp focussed heat also shifted the studs from the head so they were replaced.

They were replaced with Action Can CS90 High temperature high solids anti seize paste. I used stainless dome nuts (which should quickly erode the stud's zinc plating) but never had another problem with those exhaust studs.

If you choose the arc welding option, disconnect the alternator and ECU connectors. They "should" all be fine but a few weeks after doing my Yammie exhaust studs, the battery was boiled dry by a failed alternator regulator. Coincidence?