[NSRCA-discussion] YS 140 Sport stuck exhaust header

[Duane Beck]

That's what I suspected initially, but the 10mm hex key definitely didn't fit. I tried the 9mm tonight, and it was too small. On a whim, I tried 3/8" and it fit. It did have the copper washers. Thanks for the help. 

Duane 

----- Original Message -----

From: "Dowayne Gould via NSRCA-discussion" <nsrca-discussion at lists.nsrca.org> 
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>, "Harry Ells" <harryells at gmail.com> 
Sent: Monday, August 3, 2015 3:05:54 AM 
Subject: Re: [NSRCA-discussion] YS 140 Sport stuck exhaust header 



The Phillips screw locks the cover plug from turning. Once you have the plug off you use the same 10mm Allen wrench to remove the hollow flange bolt inside the header. There will; or should be two copper washers in there as well. One between the header and head and one between the hollow bolt and header. 
On Aug 2, 2015 10:58 PM, "Harry Ells via NSRCA-discussion" < nsrca-discussion at lists.nsrca.org > wrote: 




Is it possible that the Philips screw holds the header into the right angle attachment you are trying to remove? 
Harry 
On 2015-08-02 10:08 PM, "Duane Beck via NSRCA-discussion" < nsrca-discussion at lists.nsrca.org > wrote: 

<blockquote>

The pin punch worked well. Thanks for the suggestion. The next problem is that what I thought was a fastener, was just a cap. I can turn it with a big crescent wrench, but the header pipe runs into the carb before it turns very far. I've uploaded more photos at the link below. For what it's worth, the crankcase is stamped "FZ-140 S." 
https://goo.gl/photos/K1VHJ5n5h16aMGHM9 

Duane 


From: "James Hiller" < jnhiller at earthlink.net > 
To: "Duane Beck" < duane.e.beck at comcast.net >, "General pattern discussion" < nsrca-discussion at lists.nsrca.org > 
Sent: Saturday, August 1, 2015 4:54:16 PM 
Subject: RE: [NSRCA-discussion] YS 140 Sport stuck exhaust header 



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 






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: 




<blockquote>



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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</blockquote>


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</blockquote>


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