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Post by chud786 on Jun 23, 2020 22:15:38 GMT 1
This looks like it's riveted.Any tips on best way to drill them out. I only want it off so I can paint the top yolk. Would it be easier to leave it and just mask it off?  |
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Post by shaunthe2nd on Jun 23, 2020 22:30:39 GMT 1
Wow never seen that before. Must be a heavy duty rivet. Whats it look like top side?
Me personally, I'm a standard bike man so I would be looking at ways to drill it out and replace with stock fasteners.
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Post by flames on Jun 23, 2020 22:35:21 GMT 1
I believe they are bolted with screws designed to make it hard for removal.i don't know what the usual removal method is, but I have removed these on other bikes by drilling a hole in the middle and hammering a torx screw in to remove. Then replaced with bolts.
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Post by Tobyjugs on Jun 23, 2020 22:38:02 GMT 1
I think they are the shanks of a bolt. The bolt is screwed into place, there is a reduced diameter on the shank of the bolt and when the bolt reaches a certain torsion the reduced shank breaks.
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Post by Tobyjugs on Jun 23, 2020 22:40:04 GMT 1
it sounds a bit exotic but they will be easy to remove with a left hand drill bit.
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Post by chud786 on Jun 23, 2020 22:45:06 GMT 1
Forgot say it's off an FII.
I would say they are original fixings as the key is original Yamaha and fits all locks so don't think the ignition has been changed
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Post by flames on Jun 23, 2020 23:12:26 GMT 1
What are you doing with the bike?
If it is indeed original and you are keeping bike as original as possible, I would leave as is. Mask off and paint if needed. If modifying i would remove and do properly.
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Post by cb250g5 on Jun 23, 2020 23:18:17 GMT 1
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Post by shaunthe2nd on Jun 23, 2020 23:28:53 GMT 1
Never seen those before, another school day, thanks teach.
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Post by cb250g5 on Jun 24, 2020 8:42:46 GMT 1
Looking at Fowlers website the originals have been superseded by 90109-06282 a small headed thing that snaps off.
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Post by midlifecrisisrd on Jun 24, 2020 9:11:22 GMT 1
Yep it's a shearing head security bolt
I just run a 6.5mm drill into them till the head comes off
The threaded bit left in the yoke comes out with mole grips
Never heard of someone removing the ignition switch to nick it
That would be more difficult than the other options lol
I just replace with allen bolts
If you want more security fill the Allen heads with epoxy
Steve
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Post by chud786 on Jun 24, 2020 22:06:00 GMT 1
Cheers for the replies
Think I'll leave as is and mask it off
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stevvo
L plate rider.
Posts: 45
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Post by stevvo on Jun 25, 2020 0:10:55 GMT 1
Shear bolt. also found on car steering /ignition switch/locks,
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