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| Snapped head bolt😞 | |
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| Tweet Topic Started: Dec 4 2014, 09:26 PM (337 Views) | |
| Lorano | Dec 4 2014, 09:26 PM Post #1 |
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Marquess
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My brother is stripping his R30 down and has snapped one of the exhaust bolts in the head leaving a bit sticking out and the other one intact still in the head.Am I right in thinking he could hear the snapped bolt up with oxy/acetylene to help get it out?Anybody had this issue and if so how did you resolve it? |
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| Gonzo250 | Dec 4 2014, 09:36 PM Post #2 |
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Working-class moto psycho
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Ally head, probably better to use a regular blowtorch and heat the whole area as evenly as possible. Lots of penetrating oil for a few days prior if you've got the time. And when trying to get it out, GO EASY! Last thing you want is to snap the rest of it off... EDIT: reason you heat the area and not the bolt is that ally expands at a different (faster) rate to steel and you want the head to let go of the bolt. Edited by Gonzo250, Dec 4 2014, 09:38 PM.
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I drink too much, I swear too much, I ride too fast and I crash too often. It is a universal impossibility for me to leave my tools alone and my bikes standard. 'It must go faster!!' | |
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| Rob 110 | Dec 4 2014, 09:37 PM Post #3 |
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God
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try that or weld a new nut on the stud |
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| Monty | Dec 4 2014, 10:20 PM Post #4 |
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Charlie Big Banana's
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If all else fails, drill it out and run a tap down the thread, I have done many that way, though its a lot easier with the head off, it can be done in situ |
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If it aint sharp I can play with it My Utube Channel, lots of bike vids here. Subscribe if you likehttp://www.youtube.com/user/choppermark?feature=watch
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| snipperuk | Dec 4 2014, 10:35 PM Post #5 |
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Baron
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+1 for slipping a nut over the stump and welding it on :-) as said you can drill it out if it don't work ...cobalt drill bits are cheap enough at toolstation |
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| ian6pot | Dec 4 2014, 11:48 PM Post #6 |
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God
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I always try the welding of a nut first even if its broken off flush. You also find the injection of heat from the welding help as well. |
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| whitebuck | Dec 5 2014, 05:50 PM Post #7 |
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Dazed and confused
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Then get a socket on it whilst everything is hot |
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