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Exhaust studs

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I'm making some repairs to a damaged head. Are the exhaust studs on an XR80 head really a standard 6-32 thread? I am expecting a metric thread size.

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6x32 is the length of the original stud. Should be 6mm x 1.0 pitch x 32mm long.

Pretty sure if you tried to chase the threads with a 6-32 tap you would be surprised to find the diameter quite a bit smaller than the holes.

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Thank you! Now I'm on the hunt for the drill size and a bottoming tap to accommodate said 6x32 stud!

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Just got to your Honda dealer, the exhaust studs can't be that expensive...

Thanks. I actually found the studs. The tap was harder to find.

Now I just need the distance between the studs so I can drill.

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