Logo

Search results

  1. naio83

    Mariner 70hp 1979/1980 - water pump lower housings stuck?

    Hi experts, I am facing some issues with a replacement than I am doing, and I definitely need some help. Engine: Mariner 70HP, 2T, 3cil, 1979/1980. Task: Water pump kit replacement (first time doing it). I have bought the kit (Quicksilver 77177A3) and it came with the full water pump kit, so my...
  2. naio83

    Mariner 70hp 1980 - Moving from mineral oil to s-synthetic / synthetic oil

    Hi all, I have a 70hp Mariner engine (3 cil and 2 carbs) from 1980. For the last months (years) I have been using Evinrude XD 30 for 2 Cycle outboard oil for the fuel mixture, that in the case of my engine is done manually in the tank. As far as I know, this is a mineral oil. Unfortunately...
  3. naio83

    Prop replacement for 1980-70HP MARINER

    Hi, I have a 1980 3cil, 2 carbs, 70HP Mariner, installed in a 4.5 meter fiberglass boat and the boat + engine are less than 500 kilograms of weight. We are usually 2 or 3 in the boat, exceptionally 4 (220 - 300 kilograms), the use is in fresh water, no tach installed but top speed with GPS and...
  4. naio83

    Mariner 70hp 1980 - fuel pump, filter & line maintenance

    Hi all, I was making some maintenance to the fuel_line and I would love some pieces of advice on these 3 topics: 1) This engine has a circular fuel filter with a metallic part, red square (part 32), inside which replacement is very hard to find nowadays (at least where I live) so the advice...
  5. naio83

    Mariner 70hp poor Acceleration

    Hi to all, and thanks for accepting me on the forum. This is my first post. I have a 1980 2T, 3 cylinder, 2 carb, 70hp Mariner on a 15 boat. Most of the time it was stored and with very little use. At the beginning of this year I started to put it into value again to start using it since it...
Back
Top