YS-91 AC problem

[Verne Koester]

I always had good luck scraping the carbon off with a #11 X-Acto blade.

Verne


----- Original Message ----- 
From: "Bob Kane" <getterflash at yahoo.com>
To: <discussion at nsrca.org>
Sent: Thursday, June 02, 2005 9:52 PM
Subject: Re: YS-91 AC problem


> The carbon is tuff, I scrape the stems and valve edge
> clean using some tool softer that the valve. The first
> time I saw this I thought the edges of the valve had
> broken off, but it was the rough edge of the carbon
> buildup.
>
> --- Ken Thompson <mrandmrst at comcast.net> wrote:
>
>> Paul,
>>
>> I'm going to pull the head and drop the valves out
>> to clean them.  Is there an easier way?
>>
>> Ken
>>   ----- Original Message ----- 
>>   From: Paul Horan
>>   To: discussion at nsrca.org
>>   Sent: Thursday, June 02, 2005 9:29 PM
>>   Subject: Re: YS-91 AC problem
>>
>>
>>   Ken,
>>       What did he tell you to do the cure the carbon
>> problem.
>>   Thanks,
>>   Paul
>>     ----- Original Message ----- 
>>     From: Ken Thompson
>>     To: discussion at nsrca.org
>>     Sent: Thursday, June 02, 2005 7:22 PM
>>     Subject: YS-91 AC problem
>>
>>
>>     Thank you to all who gave me places to look for
>> my problem.
>>     Somebody gave me the thought that maybe it was
>> carbon deposits on a valve, I'm sorry I don't
>> remember who.  I dismissed this theory because the
>> valves seemed to be operating properly.
>>     Early this morning Mike Darr stopped by to check
>> out my damaged Excelleron and took a look at my
>> motor for me.  He manually worked the valves and all
>> of a sudden the compression came back.  It looks
>> like there was carbon on the valves after all.  He
>> told me what to do and I should have it fixed as
>> soon as I get back from Norfolk, a little trip this
>> weekend to go out for the day on the USS Theodore
>> Roosevelt.
>>     Thank you all again and thanks to Mike for
>> showing me what to do.
>>
>>     Ken Thompson
>
>
> Bob Kane
> getterflash at yahoo.com
>
>
>
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