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My 1979 70hp has a 2 wire tachometer that hooks uo inside the shifter control box. It has a black wire and a gray wire. All the tachometers that I have found for Evinrudes have three wires. Black, gray and red. Can I use the 3 wire tachometer on my boat by just hooking the red wire to a 12 volt...
I have worn my eyeballs out looking for information that will verify the correct WOT RPM for my 1979 model motor.
I read in one place that the older (1979) motors had a lower (5000 rpm) WOT RPM rating than newer (5500-5900 rpm) models. I read in another place that they all 70hp Evinrudes are...
Hi, I have been lurking here in the forums for some time but this is my first post here. I have a 79 model 70 hp Evinrude 3 cylinder.
I purchased a new depthfinder and got it installed today. It has a readout for the voltage. Is shows 12.6 volts when the engine is not running. It reads 16.5-18...
