[NSRCA-discussion] YS 140 Sport stuck exhaust header

[James Hiller]

Having a similar problem with many head bolts over the years I found that a solid rap top the head of the cap screw with a pin punch with a light ball peen hammer usually loosened them.
Jim
 
From: NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Duane Beck via NSRCA-discussion
Sent: Saturday, August 01, 2015 1:08 PM
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] YS 140 Sport stuck exhaust header
 
Here's a photo of the header, showing the mangled fastener.
https://goo.gl/photos/K1VHJ5n5h16aMGHM9
 
Duane
 
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From: "Verne Koester" <verne at mi.rr.com>
To: "Duane Beck" <duane.e.beck at comcast.net>, "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Sent: Saturday, August 1, 2015 2:46:41 PM
Subject: Re: [NSRCA-discussion] YS 140 Sport stuck exhaust header
 
Couple of possible options. If the socket is metric, try forcing on the closest larger us size. You might also be able to cut a slot in it with a cutoff wheel and use a large screwdriver to get it out. A photo for all to see might help with ideas. 
Verne
 
Sent from my iPhone

On Aug 1, 2015, at 2:37 PM, Duane Beck via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
 
I have a YS FZ140 (Sport) that has an exhaust header attached with what appears to be a 10mm socket cap screw, or similarly broached fastener.  The socket has been damaged a bit by previous installation and removal, to the point where I can't get an allen wrench to hold tightly.  When I try to turn it, the wrench slips.  Any suggestions for how to remove the header?
 
Duane
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