Tach reading low, switched from Merc to Yamaha

schmalts

Cadet
Joined
Sep 29, 2009
Messages
8
I have a 2003 Basstracker that had a Mercury 50 on it. I replaced the motor with a 1994 Yamaha 55HP and the tach reads less than half of normal at WOT. Any ideas what I can do? The guage is a Teleflex 7K
 

Barnacle_Bill

Admiral
Joined
Feb 8, 2004
Messages
6,469
Re: Tach reading low, switched from Merc to Yamaha

Change the setting on the back of the tach to 3P.
 
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