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Coolant from exhaust header stud bolt

Headers are off. The threads look good to me with no cracks. I added a few pics, maybe someone can spot something I'm missing?

At this stage I suspect the culprit is the second bolt from the front. Longer Bolts on the way.

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With either studs or bolts, take a small screwdriver and coat the internal threads with the thread sealant .
 
Had a leaker on my Bee after a rear stud had to be drilled out. This was the only thing that worked. It’s been in there 15 years now.

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