YS 120 FZ valve gapping

[george kennie]

Thanks Dave, I never thought of using that technique, but it certainly
makes the most sense to me! You sure have a lot of great ideas. Powers a
lot of light bulbs for me.
G.

David Harmon wrote:

> You probably shouldn’t use a feeler gauge unless the engine has never
> been run.
>
> The reason is as the engine runs, the valve stem starts ‘peening’ a
> dimple into the rocker arm.
>
> If you put a feeler gauge into a well run engine and then adjust the
> valve, the clearance will be way too loose.
>
> IMO, the correct way to do this is to adjust the valve without a gauge
> for just a slight amount of free play when you
>
> move the rocker arm
>
> Regards
>
> Dave Harmon
> NSRCA 586
> K6XYZ[at]comcast[dot]net
> Torrance, Ca.
> -----Original Message-----
>
> From:discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org] On Behalf Of Rcmaster199 at aol.com
>
> Sent: Monday, April 12, 2004 3:46 PM
> To:discussion at nsrca.org
> Subject: Re: YS 120 FZ valve gapping
>
> .004". Check with a feeler gauge
>
>
>
> Subj:YS 120 FZ valve gapping
> Date:4/12/2004 2:24:15 PM Eastern Daylight Time
> From:aabdu at sbcglobal.net
> Reply-to:discussion at nsrca.org
> To:discussion at nsrca.org
> Sent from the Internet
>
>
>
> Hello all, I have a silly question, what is the gapping on the
> YS120FZ. I have set the valves before, but do not remember what the
> gap should be.
>
> TIA
> Thank you
> Anthony
>
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