Author Topic: loose screw almost caused crash  (Read 1482 times)

Offline Yard Sale

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loose screw almost caused crash
« on: April 07, 2022, 09:14:37 AM »
TLDR: screw came loose around instrument panel, dropped into steering limiter, I almost crashed

Please help me identify this screw from my Breva 750. I was riding on a washboard dirt road when I lost control and almost crashed trying to make a slow right turn. This screw had apparently come loose from around the instrument cluster area and dropped into the left side of the bottom triple clamp, limiting right steering lock.





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« Last Edit: April 07, 2022, 09:21:50 AM by Yard Sale »

Offline Rolf Halvorsen

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Re: loose screw almost caused crash
« Reply #1 on: April 07, 2022, 09:25:58 AM »
Article 97260415

You can use another standard screw instead.

Online JoeB

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Re: loose screw almost caused crash
« Reply #2 on: April 07, 2022, 09:29:10 AM »
Don't know about the Breva, but it resembles one of the screws that holds the ignition switch on my EV.
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Online Kev m

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Re: loose screw almost caused crash
« Reply #3 on: April 07, 2022, 09:29:53 AM »
Looks like an ignition switch/lock cylinder shear screw (top shears off when tightened to prevent easy removal/theft). But I've had them fall out on a Guzzi too - on a Cali Jackal once.
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Offline lazlokovacs

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Re: loose screw almost caused crash
« Reply #4 on: April 07, 2022, 01:35:22 PM »
that is seriously bad luck

glad you're ok

Offline Yard Sale

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Re: loose screw almost caused crash
« Reply #5 on: April 08, 2022, 03:52:01 PM »
It was the screw holding the ignition key barrel to the top triple. Thanks for the help.

Offline dxhall

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Re: loose screw almost caused crash
« Reply #6 on: April 08, 2022, 04:20:16 PM »
What’s the correct way to remove those screws?  I need to remove the ignition from my SPIII, and am thinking of drilling the ends of the bolts (not the conical heads) for an ez out.

Offline guzzista

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Re: loose screw almost caused crash
« Reply #7 on: April 08, 2022, 05:56:20 PM »
In the car world and more specific Honda/ Toyota 80's to 2000's we used a punch  or a small chisel and a ball peen hammer to back the twist-off screws and remove ignition lock barrels from steering columns when they were in the shop for stolen/ recovery work
1975 750S Tribute bike, 1994 Cali 1100, 2007 Ducati GT1000, 1983 SP1000, 1973 V7Sport project, 2017 California1400 Touring

Online Kev m

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Re: loose screw almost caused crash
« Reply #8 on: April 08, 2022, 06:11:11 PM »
What’s the correct way to remove those screws?  I need to remove the ignition from my SPIII, and am thinking of drilling the ends of the bolts (not the conical heads) for an ez out.

Drill em, cut slots, whichever you prefer....
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Offline nc43bsa

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Re: loose screw almost caused crash
« Reply #9 on: April 08, 2022, 08:56:33 PM »
I believe this is the second time on this forum I've read about an ignition switch screw falling out and jamming the steering head.
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Offline tris

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Re: loose screw almost caused crash
« Reply #10 on: April 09, 2022, 04:30:57 AM »
Certainly looks like a shear bolt,  and for it to come out means that it wasn't adequately tight before it sheared when installed

Given that these are likely the same on all the bikes I think I'll have a little furtle at those on my V9
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Online JoeB

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Re: loose screw almost caused crash
« Reply #11 on: April 09, 2022, 05:20:21 PM »
What’s the correct way to remove those screws?  I need to remove the ignition from my SPIII, and am thinking of drilling the ends of the bolts (not the conical heads) for an ez out.
Before drilling check to see how tight they are. Did mine a few years ago on an older EV when going over all the wiring. Used a long needle nose pliers and was surprised they started to twist out so easy.
Since some are falling out on their own you may find yours loose too.
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Offline Muzz

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Re: loose screw almost caused crash
« Reply #12 on: April 09, 2022, 08:51:30 PM »
Better check my B750! :shocked:

That would have caused a butt pucker. :evil:
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Offline dxhall

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Re: loose screw almost caused crash
« Reply #13 on: April 10, 2022, 03:49:06 PM »
And the answer is:  drill and tap for 5mm bolt, screw 5mm bolt into drilled and tapped security screw.  Like this:



it
« Last Edit: April 10, 2022, 03:50:41 PM by dxhall »


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