Mercury 1989 60 HP Outboard Motor manual to find gas to oil ratio

https://www.google.com/search?q=1957+johnson+outboard+10+hp+fuel+oil+ratio

What is the mix ratio for a Johnson outboard motor?

Any Johnson outboard motor built since 1964 requires a 50/1 fuel ratio. Motors built prior to that date require a 32/1 ratio, with the exception of a few fishing motors built prior to 1955 that use a 16/1 ratio.

Feb. 22, 2021

What is the mixing ratio for a Johnson outboard motor? - Mvorganizing.org

need the year of manufacture as some 2 stroke units have oil injection that automatically mixes the oil in the correct ratio for engine rpms otherwise it is 50:1 ( 50 parts fuel to 1 part oil)
oil requirements --certified tc-w3 2 stroke outboard oil ---not ordinary engine oil
reference
google --type in mercury outboard oil to fuel ratio

50:1 since the late 60's
Too much oil will gum up the rings, smoke too much and foul plugs. Use ONLY major outboard manufacturers oil, Mercury, Yamaha, Johnson/Evinrude TCW-3. They work the best, and no alcohol fuel.

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Nissan outboard manuals

Download the manual for your engine.

2 cycle, 50:1

The fuel ratio is 50/1. Eg.50 gallons of fuel to 1 gallon of oil.
On an older motor and newer cleaner burning oils,you may bring that down to 45/1.Hope this helps

I have the same motor, and the original manual.

The mixture is 50:1. Everything else will destroy your motor. Mercury has a toll free number, call there in case you still have doubts.

I own a small Mercury outboard so I did alittle reading in the manual and the ratio for your 86' 115 HP is 50-1. Hope it helps. Coach Theune

Your best bet is ebay for a replacement user manual. Take a look around, you will come across one... For the meantime, gas oil ratio should be 50 parts gas to 1 part oil, i.e. 50:1. General care: Dont go full throttle for any length of time. Cruise of 3/4 throttle... Always flush engine after use in saltwater, including washing down exterior. Keep spark plugs in good order and check prop for fishing line wrapped around in near the prop hub. Otherwise, get a yearly service and have them check the water pump and replace as needed, get it tuned etc and gearbox oil changed.