broken exhaust stud
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Cruiser
Joined: Aug 2010
Posts: 179
Likes: 0
From: illinois
broken exhaust stud
alright ive tried everything i can think of besides drilling it. that is my last resort. it is the forward most exhaust stud in the front head. ive tried stud removal sockets-not enough sticking out. ive tried turbo sockets-just spin after pounding them on. tried welding about 15 different nuts onto the stud and the only thing i do is break more of the stud off. anybody have another idea. i did borrow a Jims jig to drill it out but a drill is not gonna fit next to the frame to drill it. i am mentally exhausted and cant sleep just thinking about it.
Road Captain
Joined: Oct 2008
Posts: 571
Likes: 8
From: Alexandria, VA (via Northern CA)
Assuming its not sheered clean and there's something bite onto, Crank the bike up and let it idle and get hot. Once the bike gets hot, the metal expands and it'll be much easier to back out the stud.... That's how I got mine out.
Outstanding HDF Member
Joined: Dec 2008
Posts: 2,419
Likes: 1
From: Ashland Ore.
+100!! I am getting my rear cylinder head back today. I broke an exhaust mount which in turn caused me to break both of the exhaust studs. I tried in vain to repair it myself with no luck.Took the head to a pro. $100.00 later and I'm ready to go.
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Ultimate HDF Member
Joined: Mar 2007
Posts: 7,465
Likes: 15
From: Corona, Ca
I just replaced two on a revtech motor, the first two were easy but the front studs are gonna be a Bitch.
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Road Captain
Joined: Mar 2011
Posts: 564
Likes: 11
From: Long Island, Suffolk County
Is over tightening the number one reason for breakage? I bust installed a set of pipes and made sure I didn't over tighten. I did find that the 2-1 pipe was
a real tight fit though. Could this cause fracture?
a real tight fit though. Could this cause fracture?
Elite HDF Member
Joined: Apr 2010
Posts: 4,990
Likes: 9
From: Marina del Rey
Breakage is usually caused by lack of maintenance (accumulated corrosion) and improper technique (just cranking on the wrench til the stud snaps off) instead of first soaking it overnight (at least) in Aerokroil, then using heat/impact driver/etc to break the nut loose.