# What is the oil to gas ratio for a Mercury 8hp outboard?

## What is the oil to gas ratio for a Mercury 8hp outboard?

As a general rule of thumb, add three ounces of Mercury 2 stroke premium outboard motor oil for each gallon of gas. Pour the gas and oil into a singular container. Close the gas container tightly and then shake the container vigorously to ensure that the oil and gasoline mix thoroughly.

## What is the oil to gas ratio for 50 to 1?

Mixing Ratio (Gas:Oil) Volume of Gasoline Volume of 2-Cycle Oil
32:1 1 US gal. (128 oz) 4 oz.
40:1 1 US gal. (128 oz) 3.2 oz.
50:1 1 US gal. (128 oz) 2.6 oz.
32:1 1 liter 31.25 ml

Should I use premium gas in my 2-stroke outboard?

Its owners manual states that the recommended fuel is leaded regular, with the second choice being leaded premium. That said, your choice of fuel remains critical. Burning 87-octane gasoline in a two-stroke outboard causes carbon buildup that shortens engine life.

### How much oil do you mix in a 2-stroke boat motor?

2-Stroke Oil Mix Calculator For a 50:1 ratio of gas to oil, use 2.6 fluid ounces of oil per gallon of gas. For a 40:1 mixture, use 3.2 fluid ounces of oil per gallon of gas. For a 32:1 mixture, use 4 fluid ounces of oil per gallon of gas.

### What is a 50 to 1 mixture?

You want to mix 2.6 ounces of oil to one gallon of gasoline for a 50:1 mixture. If you’re mixing up two gallons of gasoline you will have to mix 5.2 ounces of oil to two gallons of gasoline for a 50:1 mixture. Remember, 2.6 ounces for one gallon and 5.2 ounces for two gallons of fresh gasoline for a 50:1 mixture.

What happens if you put too much oil in a 2-stroke outboard?

Well, if there is too much oil in your two-stroke outboard motor, what happens is that it will end up gumming up the plugs because of the higher consistency of oil. When that happens, the boat’s engine will produce a lot more smoke than it usually does as it burns the excess oil off.

#### Does 40 to 1 have more oil than 50 to 1?

The 40:1 ratio has more oil compared to gas. That’s why 40:1 oil is slightly denser than 50:1 oil. This higher density helps with the lubrication of the engine. Because of that, the 40:1 ratio has better lubrication of the two.

#### What happens if you mix too much oil in a 2-stroke?

It’s important to get your fuel-to-oil ratios right when mixing two-stroke fuel. Too much oil, and your engine may struggle to start or run, generate carbon buildup on engine internals, blow clouds of smoke and perform poorly in general.

How do you mix 2 stroke oil?

59 second clip suggested0:59How to Mix Oil and Gas: The 2-Cycle Engine Fuel Recipe – YouTubeYouTube

## What is the best fuel for a 2-stroke outboard?

All current outboard, sterndrive and inboard gasoline engines are designed to operate safely on fuel with no more than 10 percent ethanol (known as E10), and under no circumstance should fuel with more than 10 percent ethanol (such as E15 or E85) be used in a marine engine.

## What oil-to-gas mix should I use for my Mercury outboard motor?

What Oil-to-Gas Mix Should I Use for My Mercury Outboard Motor? For a Mercury two-stroke model, 2- to 20-horsepower outboard motor manufactured before 1980, use a blend of unleaded gasoline with a posted octane minimum of 91 and Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil at a ration of 50 parts fuel to one part oil.

What kind of gas does a mercury two-stroke use?

For a Mercury two-stroke model, 2- to 20-horsepower outboard motor manufactured before 1980, use a blend of unleaded gasoline with a posted octane minimum of 91 and Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil at a ration of 50 parts fuel to one part oil.

### Where do I put 2-stroke oil in my Mercury outboard?

– Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil 2-stroke oil is normally added to the fuel tank when filling with fuel. This convenient oil measuring bottle is great for calculating oil required for various volumes of fuel – order part # 67-886696 from your authorised Mercury dealer

### What is the fuel/oil ratio for the tc-w3 outboard?

Fuel/oil ratio: 50:1 (50 parts fuel to 1 part oil) Oil requirement: – Certified TC-W3 2-Stroke Outboard Oil – Mercury or Quicksilver Premium 2-Cycle TC-W3 Outboard Oil – Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil