Can a temp gauge be installed to monitor the temperature of a 77 Merc 115 hp outboard? Are there provisions for this from the factory, or would it need to be a custom fabrication?
Also, what is the best way to hook up a tach? And what type of tach works best with this engine?
Also, what is the best way to hook up a tach? And what type of tach works best with this engine?