Anyone know the tach setting for a 1975 Evinrude 135?

gjmsd

Petty Officer 3rd Class
Joined
Oct 18, 2010
Messages
83
I wired up a tach to my boat and the rpms are off. I know this is based upon the pulses it gets from the flywheel but can't seem to visually identify how many magnets are in it. Does anyone know how I can determine the proper setting (or know what the proper setting is?). I can probably get close by the sound of the engine at idle and guessing the rpm but would like to be sure.
 

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: Anyone know the tach setting for a 1975 Evinrude 135?

Try position 6.
 

cdn-pk

Petty Officer 2nd Class
Joined
May 20, 2009
Messages
162
Re: Anyone know the tach setting for a 1975 Evinrude 135?

my 77 johnson 140 was 6P (or 6, depending on tach)
 
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