T
thausen
Guest
Retapping head after removing broken bolts. How do you guys tap the holes without removing the motor from the frame. How are you getting the taps in around the holes near the frame legs ?
Todd
Todd
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Either remove the head, the entire engine, or you can take the front tire and forks off to be out of the way. You need to be able to steady the tap absolutely at a 90 and go slowly in and out to clear the tap of shavings You would normally use a compressor to clean out the hole, but in this case you dont want to do this and blow shavings into the engine..Youve got quite a predicament here. To be honest i think the best fix is to pull the head and see at that point how to cap the hole and maybe add some new base to the bottom of the hole..But hey thats just me.
Steve
GS Whisperer
Considering what you posted in your other thread, I think you should really consider removing the head and fixing the whole situation PROPERLY. 
S
sharpy
Guest
I have to do the same thing. Im removing the complete engine. Then turning it so the exhaust faces up and you place two long bolts in the outter exhaust port holes and use them for sighting to see if your rettaping is as straight as it should be.
S
sharpy
Guest
Ohhhh its that head is it. Yes a look down the past the tappets, shim buckets at least to see where the hole is would be a good idea.
Considering what you posted in your other thread, I think you should really consider removing the head and fixing the whole situation PROPERLY.
Not good to post two threads on the same issue.
I helped install a helicoil in a GS1000 exhaust port threads and we removed the engine bolts and jacked the engine over a little to gain clearance. Much easier to do this than pull the head and/or the engine.
O
T
thausen
Guest
studs
studs
Wow...within days of being on this forum I'm already being spanked by the forum police LOL. I don't think this is "reposting" as I didnt ask anything about retapping the holes on the first thread. Also, I most likely will pull the head, but if a simple fix works on this one stud....wouldn't it be worth at least a try ? I was only asking for advice...I didn't realize the activity hear was so high that I would get in trouble for posting twice.
Todd
studs
Wow...within days of being on this forum I'm already being spanked by the forum police LOL. I don't think this is "reposting" as I didnt ask anything about retapping the holes on the first thread. Also, I most likely will pull the head, but if a simple fix works on this one stud....wouldn't it be worth at least a try ? I was only asking for advice...I didn't realize the activity hear was so high that I would get in trouble for posting twice.
Todd
Steve
GS Whisperer
We have no "forum police".
No, you didn't say anything about retapping on the first thread, but it's still the same problem with the same bolt.
Sure, go ahead and try. Then you will find out, just like we did when we tried it, that it won't work, and probably for the reasons that we listed.
And we offered it.
Nobody is "in trouble", it's just that when you post multiple times on basically the same topic, it gets confusing to follow the different suggestions in the different threads.
And yes, this is one VERY ACTIVE forum.
.
Use a socket to turn the tap... There's room.
T
thausen
Guest
retapping
retapping
Well......thanks to those of you who posted with enthusiastic ideas about how to handle this. Maybe things don't work for everyone, but sometimes a try is worth it. Finished up removal of the excess prior bolt in the head. Got an 8mm stud and retapped the hole. Used a very small amount of JB Weld around the last couple threads that actually entered the head to ensure none got into the engine. Allowed it to fully cure and then took a stainless washer that fits the stud to a tee. JB welded that onto the outer edge to ensure a good seal. Fired up the bike and all is holding well. No evidence of any weapage. Maybe it won't hold long term but for the moment the advice helped.
Todd
retapping
Well......thanks to those of you who posted with enthusiastic ideas about how to handle this. Maybe things don't work for everyone, but sometimes a try is worth it. Finished up removal of the excess prior bolt in the head. Got an 8mm stud and retapped the hole. Used a very small amount of JB Weld around the last couple threads that actually entered the head to ensure none got into the engine. Allowed it to fully cure and then took a stainless washer that fits the stud to a tee. JB welded that onto the outer edge to ensure a good seal. Fired up the bike and all is holding well. No evidence of any weapage. Maybe it won't hold long term but for the moment the advice helped.
Todd
true test will be ride it about 50 miles and get it damned good and hot. then let it cool..repeat the heat and cool cylces a few times to see if it hold up thru the expansion and contraction cycles. let us know.
T
thausen
Guest
threads
threads
Yep...you are right about that...should've been smart enough to think about it but I got ahead of myself. If the epoxy based JB breaks down, I will pull the stud and use a silicone based sealant next. So far, so good.
threads
Yep...you are right about that...should've been smart enough to think about it but I got ahead of myself. If the epoxy based JB breaks down, I will pull the stud and use a silicone based sealant next. So far, so good.