T&T: Tacho on Ford Lehman 120

[John Buckwalter]

David Lewis wrote:

>I just started my twin Lehman 120's for the first time this year and noticed
>that the tacho on the port engine is showing no reading at any RPM.  I have
>not experienced any previous difficulty and therefore have not investigated
>this system.   Before I start to delve through my manuals, can anybody
>suggest the first three or four obvious things I should check.    Thanks in
>advance.
>
> 
>  
>
Dave

Easy check, just swap tachs, if the working tach works when you swap it 
then you have a bad tach.  Easy fix!
I just had to replace one of my VDO tachs this year.

John