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Stand Bobbins

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Category: RSV / RSVR / FACTORY
Forum Name: Technical Chat
Forum Description: Any technical problems or useful advise for other owners, remember this is just advice posted here, if you make something go BANG in a big way don't take anyone to court about it.
URL: http://www.rsvr.net/forum_posts.asp?TID=20517
Printed Date: 27 Mar 2026 at 02:04
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Topic: Stand Bobbins
Posted By: Si600
Subject: Stand Bobbins
Date Posted: 14 Dec 2015 at 23:17
I tried to get one of the stand bobbins out today and the hex has just rounded off. Any ideas how to get it out?

I could cut the head off the bobbin and bolt and brutalise it with a pair of grips, but that strikes me as unnecessarily medieval.



Replies:
Posted By: albrown001
Date Posted: 14 Dec 2015 at 23:53
Depending on how tight it is and how big the hex is you might be able to get it by smashing a star drive socket in to the rounded out hex head with a hammer. It makes a really good tight fit and you can get most rounded hex bolts out like this.

I got one of these hex/star drive sets amongst other tools and I just smash one of the star drives in to the rounded hex and use a socket wrench to get them out. I would try this method first before trying anything. You will be surprised how well it actually works.

http://www.drapertools.com/product/33322/Expert-40-Piece-Tx-Star-Hexagon-and-XZN-Mechanic-s-Bit-Set" rel="nofollow - http://www.drapertools.com/product/33322/Expert-40-Piece-Tx-Star-Hexagon-and-XZN-Mechanic-s-Bit-Set

If its a hex nut head that you have rounded off get some impact sockets that grip on the sides of the flats or sockets that grip on the sides of the flats. You only need to buy the one you need and build up a few over the years. Thats what I did.


Posted By: 426hemi
Date Posted: 15 Dec 2015 at 06:55
And if your not in too much of a rush keep soaking it as often as possible with penetrating fluid like plus gas or similar.


Posted By: grumpy
Date Posted: 15 Dec 2015 at 08:01
Ball pein hammer, a few sharp taps on the head of the bolt to slightly collapse the hex. Tap teh allen key into the now tight hole. A combination of percussive maintenance and the now tight fitting tool will give a better chance of getting it out.
 


Posted By: IanG
Date Posted: 15 Dec 2015 at 17:26
Originally posted by grumpy grumpy wrote:

A combination of percussive maintenance



Love it

Sounds far more technical than tw*tting it with a lump hammer LOL

-------------
www.apworkshops.co.uk
www.apriliaforum.co.uk
www.apriliaownersclub.co.uk

Looking forward to the next track day



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