Snapped bolt (just venting)
Thread Starter
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Cruiser
Joined: Dec 2017
Posts: 137
Likes: 24
From: NY
Snapped bolt (just venting)
So I just about finished my 107 build. I've been working outside in freezing temperatures. Not fun but it is what it is.
All was going well buttoning it up. Then the notorious big sucker standoff bolt....SNAP!!!! We've all done it. I've done it before. And yes there's tons of threads on it.
So the 1/4 x 20 threaded stud is broken off in the throttle body hole. It's not flush but rather inside a few millimeters so I couldn't grab it. I even found and purchased the new studs at a local shop.
Now the notorious punching, drilling and extraction efforts began.
No dice! I can't get a good center punch or pilot hole started due to the irregular surface (not flat).
So the center bits, reverse extractor bits and all couldn't make a dent. Yes I used oil. No luck.
That, plus the bike, TB and screw are all about 15 degrees F.
Looks like I should remove the TB and take it to the local machine shop to use a drill press and get it done the right way; before I mangle up the face any more than I have done already.
Anyway. Just pissed off. I would've really have liked to put the tank on and be done. Oh well.
It's all part of the game!!!
All was going well buttoning it up. Then the notorious big sucker standoff bolt....SNAP!!!! We've all done it. I've done it before. And yes there's tons of threads on it.
So the 1/4 x 20 threaded stud is broken off in the throttle body hole. It's not flush but rather inside a few millimeters so I couldn't grab it. I even found and purchased the new studs at a local shop.
Now the notorious punching, drilling and extraction efforts began.
No dice! I can't get a good center punch or pilot hole started due to the irregular surface (not flat).
So the center bits, reverse extractor bits and all couldn't make a dent. Yes I used oil. No luck.
That, plus the bike, TB and screw are all about 15 degrees F.
Looks like I should remove the TB and take it to the local machine shop to use a drill press and get it done the right way; before I mangle up the face any more than I have done already.
Anyway. Just pissed off. I would've really have liked to put the tank on and be done. Oh well.
It's all part of the game!!!
Thread Starter
|
Cruiser
Joined: Dec 2017
Posts: 137
Likes: 24
From: NY
No rush? Hell yeah there is. Can't wait to get this build started and seat those rings well. There is an annual polar run on New Year's Day I was looking forward to. Ugggh. But, better safe than sorry. Starting this new build at these temps is probably not a good idea. Gotta wait for the oil to look less like thick honey.
Seasoned HDF Member
Joined: Mar 2010
Posts: 38,537
Likes: 6,412
From: Honah Lee
My thoughts are the air filter side of the throttle body has that paint-on type of loctite from the original bolts. That stuff will regrab those studs.
My experience is hit the stud with heat from a heavy heated solider tip. Then after it cools, a drop of PB Blaster. It should be loose then. If not, where it snapped is dug in. PB Blaster or other printitents will not help until the loctite is cooked
My experience is hit the stud with heat from a heavy heated solider tip. Then after it cools, a drop of PB Blaster. It should be loose then. If not, where it snapped is dug in. PB Blaster or other printitents will not help until the loctite is cooked
Extreme HDF Member
Joined: Jun 2014
Posts: 11,448
Likes: 2,299
From: NW Ohio
If I can't walk it out with a punch, I go straight to a carbide burr to get a pilot divot started before moving to a carbide drill. Guide bushings are extremely helpful, too.
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