YS Engines

[Bob]

Thanks Earl.  It's nice to start to understand these mechanical anomalies!
 
Bob

-----Original Message-----
From: EHaury at aol.com [mailto:EHaury at aol.com]
Sent: Monday, March 29, 2004 3:32 PM
To: discussion at nsrca.org
Subject: Re: YS Engines


Ed's right, you'll find that the needle hole in the body is oblong. This is
a result of the needle vibrating - thereby beating the hole out of shape.
The round needle can't sufficiently restrict flow through the oval hole!
Replace the needle valve - body - and clip with the 140 version to
permanently fix it. 
 
Earl

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