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2 stroke 30hp fuel mix ratio for mercury - Mercury Boating

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In my part of the world, break in is 25.1 then run 50.1. Back to mercury school for a refresher course.

Posted on Apr 14, 2019

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Posted on Jan 02, 2017

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SOURCE: what is the correct fuel/oil mix for evinrude 4hp ?

the proper mix is 50 to 1 or 16 oz to every 6 gallons,in my little boat I put 4 quarts in the 48 gal tank and its been running for 22 years,your running way to rich and your plug is probaly fouled,take it out clean it up/dump your fuel and mix it right,thats a great motor you got,I hunted with it for years,oh yeah when you get started run it till all the smoke is gone or you will have carb problems ,if you dont have them all ready,a little carb cleaner wont hurt but get it running first,or all that trash will foul you out,have a great trip bartriley1

Posted on Jan 05, 2009

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SOURCE: Fuel mix ratio for 115 hp force outboard engine

50:1 ratio

Posted on May 23, 2009

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SOURCE: I have a mercury 25, 2 stroke, need to know what

I would use Mercury 2 stroke oil...it comes in a black bottle with a red label. Also you can use Quicksilver brand...that is made by Mercury but marketed to sell to stores like Wal Mart. If you are breaking in a new or rebuilt engine then you mix 100:1 for the first two tanks. Any normal application you should be running 50:1 all the time. Keep in mind that I have been to Mercury School and this is coming straight from the horses mouth. No matter what it says on the tank, or what anyone else tells you...you should always be running at 50:1 unless you are in the break in period of the engine.

Posted on Aug 16, 2009

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SOURCE: what is the mixing ratio for 9.8 hp mercury

50:1 is the ratio to go for.

Posted on Apr 02, 2010

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SOURCE: fuel ratio for 1968 mercury 9.8 outboard

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

Posted on May 29, 2010

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I have a 35 hp mercury 2 stroke motor nr. is 7218535 fuel mix is


Older outboard motors usually take 50 to 1 mix ratio where as the newer ones often take 100 to 1 mix ratio.Try Google to double check.

Aug 12, 2018 | Mercury Boating

1 Answer

Ratio for 2 stroke mi


if you are asking the oil /fuel ratio for a 2 stroke small engine. not being told the size, make or model makes an answer impossible
however Stihl have a special 2 stroke oil that is mixed at the ratio of 50:1 and that will cover all ratios from 20:1 to 50:1
Saves having different cans for all of the engines that can be a workshop
Mixed correctly it works well and if you want just the one fuel can that includes 4 stroke engines
the 50:1 ratio makes for good upper cylinder lubricant in those engines as well and you will not even see it smoke

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1 Answer

What is the fuel to gas ratio for a 7.5 mercury outboard (1975)


Fuel and Gas is the same thing :>)

You mean fuel to oil ratio? 50:1

The 7.5 hp Mercury outboard requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.

mercury 7 5 hp outboard fuel mixture Google Search

Use Evinrude XD50, as it is by far the best and has less fumes.

Evinrude XD 50 2 Cycle Oil 2 stroke

Apr 18, 2018 | Mercury Boating

1 Answer

WHATS THE FUEL AND OIL RATIO FOR 25HR 2CYL OUTBOARD MERCURY


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

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2 Answers

What is the fuel oil ratio per litre for a husqvarna 535rxt strimmer


If it is 2 stroke, take petrol /fuel and mix it with preferably synthetic2 stroke oil.

Ratio is usually 10L petrol mixed with 200 ml or 2 stroke oil, that is the best result, used it on my chainsaw, strimmer, moped, working for years without a glitch.

Jul 20, 2015 | Husqvarna Garden

1 Answer

What is the 2 stroke oil to fuel mix?


The fuel to oil ratio tells how much fuel and oil to mix for a given 2 stroke engine. It can be different depending on the recommedation from the manufacturer. NOT ALL 2 STROKE ENGINES USE THE SAME RATIO. You have to know the manufacturer recommendation for your engine.

May 20, 2010 | Air Tools & Compressors

1 Answer

Fuel ratio 2 stroke yahama YZ125


32:1--40:1 Any less than a 32:1 mix and she will smoke and foul plugs(not to mention wasting money on mix) Any more than a 40:1 mix and your top end ect. is not being lubed enough which will lead to costly top end and engine repair..... 40:1 is good for a synthetic mix...And 32:1 for a non synthetic mix.... hope this helps ya....

May 21, 2010 | 2003 Yamaha YZ 125

2 Answers

WHAT IS THE CORRECT FUEL TO 2 STROKE OIL RATIO FOR A 2006 KAWASAKI KX85


It all depends on what type (and brand) of two stroke oil you're using. For example, some non-synthetic two stroke oils are supposed to be mixed at a ratio of 20:1. While most synthetic oils are designed to be mixed anywhere from 36:1 to 100:1. Your best bet is to follow the advice of the folks at your dealer as to the type of oil to use - and then follow the recommended mixing ratio as detailed in the oil manufacturer's instructions.

Nov 07, 2009 | 2006 kawasaki KX 125

1 Answer

Smoking outboard


Sounds like your running a bit rich. Try leaning down your air/fuel ratio.

Aug 23, 2009 | Sport & Outdoor - Others

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