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Tachometer Problems

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dwilde(at)clearwire.net
Guest

Posted: Tue Oct 30, 2007 3:49 pm Post subject: Tachometer Problems

I ran my new Rotax 912S today and it ran great.  However, the tachometer 

went crazy above 3000 rpm so I could not throttle the engine all the way 

up to check the max rpm's.  This was a tach supplied by Zenith.  Has 

anyone else had this problem.  All of the connections seem secure.



Dan Wilde

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Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Wed Oct 31, 2007 1:12 am Post subject: Tachometer Problems

Hi Dan,  

   

I had that problem on the first run up of my 912.  after checking everything else, I swapped the two leads going to the tach and it fixed the problem.  

   

I remember when I wired up the tach that I called support and asked which lead went where, and was told that it didn’t seem to matter.  It did in my case.  

   

Hope this helps,  

   

Tommy Walker in Alabama  

N8701  18 Hrs.  

   

   

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_________________
Tommy Walker
N25A - Anniston, AL

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