MarineEngine.com - Your online store for all types of marine engines and boat parts.
PHONE ORDERS
Monday - Friday
9:00 AM - 5:00 PM EST
Click for TOLL-FREE Number
Online Checkout
Special $9.95 Flat Rate Shipping
(800) 209-9624 | Home | Contact | Shipping | Returns | Cart View your shopping cart.
Part Number Search
Shop by engine/drive part number.
Original & matching parts for sale.
Manuals & Accessories
Shop by description, item number
or manufacturer's model number.
Boat Repair Forum Boat Repair Forum   Boat Video Gallery Video Gallery
   
Click for Johnson Evinrude Diagrams, Parts and Manuals!
Results 1 to 3 of 3
  1. #1

    Default 1980 70hp 3cyl johnson outboard/oil ratio

    I am mixing my 2 stroke engine oil to a 50:1 ratio.Should it be 100:1 ratio,for this outboard.

  2. #2
    Join Date
    Nov 2005
    Location
    Chesapeake, Va, US
    Posts
    1,111

    Default Re: 1980 70hp 3cyl johnson outboard/oil ratio

    50:1 is correct.
    Bill H PTC USN Ret
    A manual is a cheap investment.

  3. #3

    Default Re: 1980 70hp 3cyl johnson outboard/oil ratio

    It's an old motor I bought last year,may invest into something different.Thanks for the info.

Similar Threads

  1. 1980 70hp 3cyl Johnson outboard/Gaskets
    By toss42 in forum Johnson Evinrude Outboard Forum
    Replies: 6
    Last Post: 06-28-2010, 09:51 PM
  2. 1980 70hp 3yl Johnson outboard/head gasket/water jacket gasket
    By toss42 in forum Johnson Evinrude Outboard Forum
    Replies: 2
    Last Post: 06-23-2010, 10:13 PM
  3. Need Tach for 1977 70hp Johnson 3cyl
    By pdotek in forum Johnson Evinrude Outboard Archive
    Replies: 2
    Last Post: 04-07-2009, 09:38 AM
  4. Johnson 70hp 1980 timing
    By alexdyer in forum Johnson Evinrude Outboard Archive
    Replies: 5
    Last Post: 02-03-2007, 01:41 PM
  5. 1980 Mercury 70hp 3cyl carb problem
    By hunter2664 in forum Outboard motors archive 2000-2004
    Replies: 7
    Last Post: 07-09-2001, 08:07 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •