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Tachometer ? 1980 90 hp

river rat

New member
I have a tach that came off of a 1980 Johnson 90 hp outboard.
Can I use it on a 1983 Mariner 40 hp outboard?
Are they universal?

Or do I have to have a Mariner tach.

Can anybody help me on this?

Thanks,
River Rat
 
Re: Tachometer ?

R.R., I can tell you one thing, they are not universal, as I found out. I had to find a special tach for my 1978 Mariner 40hp because it has a magneto ignition with a lightinng coil. I found other options like buying a Mercury modual or installing a compassitor between the post, but you still have to calibrate it afterwards. I found a new/old stock in-the-box one at Sea-Way.com for $95 (originally $300) and it worked great. Hope yours works-out.
 
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