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How to mix 2 stroke boat gas for your outboard
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- čas přidán 15. 08. 2024
- How to mix 2 stroke boat gas for your outboard. Mixing oil and fuel properly for your 2 stroke gas engine. How to mix 2 stroke fuel is easy if you have the measuring cup that I use in this video. The correct 2 stroke oil mix is essential to maintain your outboard motor and keep your boat running well. I show you the easy way to mix 2 stroke boat gas 50 1. You can also use this cup for other common fuel and oil mixture ratios like 25 1 and 40 1. Properly mixing the gas and oil for your two stroke outboard boat engine is what will keep it from smoking and wearing out prematurely. A 2 cycle engine needs oil mixed with the gasoline every time! Learn how to properly mix petrol and oil for a two stroke engine so that your fuel ratio is correct.
▶︎ See how a 2.5 hp gas engine compares to an electric trolling motor! • Small Outboard Motors ...
Having the measuring cup I use in this video is the easiest way to ensure you are measuring the correct ratio of TCW3 outboard oil for your 2 cycle boat motor.
Buy the SeaChoice measuring cup here - amzn.to/3tHWmN5
Buy TCW3 Marine Outboard 2 stroke oil here - amzn.to/3hv9PVU
As an Amazon Associate if you shop from my links, I earn a small commission from qualifying purchases at no additional charge to you!
#mixing2strokegas #howtomix2strokeoil #twostrokegas
Timestamps:
00:00 Introduction
00:44 My experiences trying to mix two stroke gas
00:57 Why you need to run oil in your gas for a two cycle engine
01:56 The 2 cycle gas measuring bottle
02:19 How to use the Seachoice 2 cycle gasoline engine measuring bottle
03:00 Measuring and adding the oil to make 50-1 two stroke mix
04:19 Why TCW3 oil is blue
05:36 Labeling your 2 stroke gas container
05:52 Summary
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finally a normal person that speaks in gallons, keep it up please
What is a gallon? Are you back in Rome or something???
Yeah, I’m so sick of these wannabe European soy boys trying to do everything in metric. There’s no advantage to the metric system and who gives a crap if the rest of the world uses it.
Normal people speak in litres.Only yanks speak in gallons.
@@Hahehhwgajshah72726.. Absolutely, even the Australians and New Zealanders know that on the other side of the planet... 😂😂😂
LMAO you Americans are something else.
Y’all are the non normal ones speaking in gallons. The rest of the world speaks in litres.
Thank you so much for the information, I was looking at different videos and no one explained it better thank you God bless you
Wayne I am so glad I came across your video because I am a first-time boat owner and I have been mixing my oil to fuel ratio totally wrong in my engines been running poorly I am glad I came across this video I thank you very much and I'm also going to order one of those ratio bottles did you have in your video once again thank you very much and I'm glad I came across this video keep up the good work
Thanks! I just bought my first bass boat the 88 ranger v 393 it has the original 87 Johnson V6 150. The boat came with 2 20 gal tanks, which I am not going to every fill full at one time haha these gas prices are crazy, but I was really concerned about the math part, the old man I bought the boat from gave me a water bottle for the oil and said 1 water bottle (1 pint) per 3 gal. This is going to make it so much easier. Brand new to boating, so you got yourself anew subscriber!
I was mixing gas and oil for the lawnmower and for my 5 1?2 HP Johnson outboard at age 11.My father told me it was ok if the machine smoked a little as that told us there was oil enough in the gas.I used to kart the lawnmower about the neighbourhood mowing lawns for customers.I made money enough to pay for the lawnmower and to buy an 8 ft plywood boat for the 5 1/2 outboard. Todays 2 strokes more sensitive to accuracy in mixing I think! CHEERS from Canada
That was so helpful, I've been finding it hard reading the instructions and putting it all together. Thank you
Another useful tip: After finishing your trip. Disconnect your fuel line from your engine. Run the engine at idle without the fuel line attached until the engine dies. Running all the fuel out of the engine will help keep the engine from being gummed up by the stagnant fuel/oil mixture between uses. Also if you have extra fuel in the gas can or tank. Add a fuel stabilizer (read label; appropriate for 2-stroke mixed gas), it isn't necessary for a week or two, but anything beyond 3 weeks should have fuel stabilizer added. Fuel stabilizer is added per the amount of gas so read the instructions and follow per the instructions such as you do when determining the correct amount of oil per gallon.
Yes,sir..this tip suitable for my evinrude 2 stroke marine engine?thank you for information
Only needed at the end of the season! Don't forget that the gasoline and oil also prevent gaskets and seals in the carburettor from drying out. For fuel to gum up takes quite some time. Adding fuel stabilizer for only 3 weeks of non-use is ludicrous. Unless you are in the business of selling the stuff, I suppose. I only stabilize fuel at the end of the season, or (same effect almost) just fill up the tank to the brim with premium gas. Have done so with both outboard engines and motorcycles for ages. Never a problem.
@customsighsound8564 offers EXCELLENT suggestions. Unrelated to the suggestion is this observation. Having outboards sitting unused for long periods is not good in terms of reliability. The more frequently the outboard is used the longer it is likely to last, at least in my limited experience that is true. I'm dealing with a seized 15hp 2 cycle now that has been sitting unused too long.
Just like installing a fuel shut off valve in your other small engines. They cost $2. It’s not needed while you’re using it every few days but for the longer layups , definitely. I got so sick of taking carbs apart !!!!
We downsized from an I/O to a 15’ runabout with 50hp Evinrude for ease of towing, storage and simple maintenance. My fiancé was very hesitant about a 2 stroke, thank you for making this video to help me explain just how easy pre-mixing is.
Thanks Wayne
Thanks a lot, now i can feed properly my mercury 2.2 2 stroke with 50:1 that it seems that for 10 liters of gasoline it's about 200 ml of 2 stroke oil, also, I followed your instruction to only use TC-W3 oil, Shell has one "Shell Nautilus 2t Outboard Oil TC-W3" not cheap, but i prefer to feed my mercury with top notch oil for durability, thanks a lot!
One simple tip. After adding the proper amount of 2-stroke oil to the measurement container. Poor gas from the gas can the oil will be going into in the measurement container, close the lid of the measurement container and premix the gas and oil. This will make sure you get all the oil out of the measurement container and will not leave excess oil in the container. This will also greatly help with the distribution of the oil within the larger volume of gas when added back into the gas can. Make sure you still shake your gas can right after you add your oil (premixed oil) into your gas can. Proper distribution of the oil within the gas is as important as adding the correct amount of oil.
Going to buy that measuring container,
Good advice about marking the fuel cans. That mixing bottle is very handy
It really is - especially when not buying a specific amount of fuel but just topping off the container.
Some of us (old motorcycle desert racers) pour some of the unmixed gas from the gas can into the measuring cup after the correct amount of oil is added and then put on the cap. Shake it way up and then poor the mixture into the unmixed gas can. Then cap the gas can containing the mix and shake it up! Also, if your mixed gas in the can has sat for a day or so, it doesn't hurt to give it a good shake before you start your motor.
Awesome. I almost got one today at Wal-Mart but i wasn't sure how to use thanks for the video..
Glad I could help!!
For anyone using the metric system it’s soo easy lest just say you have 7 litre of gas and you need to mix 50:1 well how many millilitres are in a litre 1000ml so 7000ml/50= 140ml so you would need 140ml of oil for 7L of gas
Informative video. Thanks. It would be handy if the mixing bottle didn't have such a sharp shoulder below the lid. If it sloped more it would be easier to get every drop out. Thanks for posting!
Thank you Wayne. Ordered a bottle on Amazon. 👍
Thank you so much….I just ordered the oil, and the measuring bottle from your link.
Just ordered a measuring cup off your link, Thanks for the info..
Very informative video. Straight to the point. Thank you Wayne
Great job.. very clear instructions.
Thank you!
I have a Nissan 2.5 and a British seagull three horse , 2.5 Nissan is 50 to 1 mix 2-stroke oil and the British sequel is the 10 to 1 SAE 30 non-detergent oil .
thanks from down under and a kiss from the misses
Thanks for the tips Wayne. I ordered the SeaChoice measuring cup and it arrived today! I bought a 1972 6HP Johnson in great condition and can't wait to get out there on it. This definitely helps.
A gallon is 128 fluid ounces, and lets say you want 40:1 mix. 128 divided by 40 = 3.2 ounces of oil. If your oil bottle has fluid ounces along the height of the bottle,--what else do you need to buy? I actually use a measuring cut called the "ratio rite", just because it may be more accurate than the side of a bottle. They have been around for decades, and can be bought at any dirt bike shop.
Thanks very much Wayne this is a Fantastic Idea I just bought a 2Stroke Outboard and was very worried about getting wrong also wondered how about to carry all these staff on the boat? so now thanks to you I will premix my gaz and oil and job done. Thanks
Thank you for your video's Wayne. I just bought a 1989 Nissan boat with a Nissan 90HP 2 stroke and Nissan 5HP. Your videos are exactly what I needed. The 90 has a separate fill for oil, still trying to figure out the 5Hp. Keep the videos coming!
Wayne- I am a boating newbie too! Your videos are so helpful!
Thanks! The 5 will probably need a little jug of premix 50:1 that you should label as 50:1 2 stroke fuel so it doesn’t get used in something else and make a smoky mess.
@@WayneTheBoatGuy In my professional opinion, (I build little 2-stroke racing engines for a living), you may be just fine running as thin as 50:1 with the low RPM and low power utility boat engines, (higher rpm does require more oil), if you are using a very good oil. But 32:1 for most engines has been proven to give the best protection and performance, (seals the ring better), for most 2-stroke engines. The reason why the boat industry has pushed 50:1 and even 100:1 started around the 80's with environmental concerns of the oil sheen on the water surface from a 2-stroke engine exhaust, (released in the water to deaden sound I assume).
It is the EPA who pushed lean gas/oil mixes,---not the engine engineers. Now 2-stroke carbed engines are sold running rich with the fuel/air mixture. So if you switched to 40:1, (more oil), that means less gas will be going through the jets for a more lean fuel/air ratio, and the engine may actually make more power while getting better lubrication. You can actually fine tune your jetting a bit with different oil ratio mixes, but I would stay in between 32 and 50:1 for your engine.
Oil does not foul a spark plug is the jetting is good, (not too cold). With the right combustion temps, the oil will burn.
Some oils do smoke more than others, but The smoke mostly comes from a rich fuel/air condition also. With the same oil and mix for a rich set carb to a well jetted carb,--the smoke pretty much goes away, (sans start up). I remember being in the Pontiac Silverdome for a SX race back in the late 80's. The stadium filled up with just a little haze for all the pro qualifying and racing. But after the Pro's were done, 2 amateur races later, the place was being fumigated. :)
It was all in the jetting, not the oil mix.
Real simple formula. Take a 12oz beer bottle. Fill to the brim with TCW3. Add to five gallons. It's a perfect 50:1 every time. Cheers.
Just ordered one myself! thank you..
I normally put in 2 stroke oil first, then drive to the gas station, fill up my tank and drive (savely) like a lunatic, taking many sharp turns. By the time I get to my boat, it's more or less mixed👍
Remember to shake the snot out of it. If it has been sitting for a month or more, shake it hard again. Good video.
Good point!
My old yamaha 5pk 2 stroke is a 100 to 1 mix and its really easy since we use metric. I just look how much liters i tanked and then i do that x10 and put that amount in millilitres in the tank so its 1 to 100 mix its really easy
In the 50s we owned a 5hp green Johnson. My father would put a quart of straight 30 weight non detergent oil in a 5 gallon can then fill the can with gas. It worked for years. I think that Johnson is still in use. Tough old motor. ha
Just go buy 2 stroke bottle for 5 gallons and use that one container. Everytime. Wife gets madd 😡 when using her food containers n mesure cups. 😮
Hot tip and just a tip! if you know what your going to fit in your container add the oil first then the action of adding fuel at the pump performs the "mixing" for you and you dont have to shake the whole container...
Many times my fuel container is about 1/2 or 1/3rd full - and it has no measuring lines on the side - and I want to top it off before heading out so I add the oil after I see how many gallons I pumped in at the filling station.
Great thanks for sharing .I just buy the bottle.
Another important tip: Use non-ethanol gas, especially in two-stroke engines. While a good idea with all small engines it is especially important with boats. Ethanol combines with water and also eats the rubber of the fuel lines, causing your engine to foul.
Agree wholeheartedly. If only we could still get the stuff in Europe. In most countries E5 (so 5% ethanol) is the best you can get :-(
Thanks for saying that --- I didn't know it wasn't available in Europe.
@@RobertvandenBoogaard
Thank you
Thank you much for this video
Glad it was helpful!
I was in in a situation where my measurements might have not been exactly on point but i only went a small distance until i loaded it back up it that to big a a problem can i still use the gas and is my outboard okay??
Thank you ⚓️
Awesome thank you 🚢
For those living in the 21st century you just double the litres and add a 0 to the total .ie 20 litres x2 = 40 add a zero = 400 mills of oil. Simple.
Metric is so much more logical!
I use a big stringe for my mixing. Pump my fuel first then "x" ammount of oil per gal of gas.
Thanks for your vids, there great, good job and thanks for the link for the mixing bottle going to get one!
THANKS FOR SAVEING MY eng
Wonderful!
Brilliant! Thanks...
You're welcome!
What ratio would I need to mix for a yamaha enduro 25hp engine?... its a 2 stroke as well...
Great video Wayne. Ordering one of those mixing bottles now! Thanks
Thanks
Got one of those just yesterday from Walmart for $3.
Yeah, I buy the packets that you put one packet per 1 gallon and it covers everything.That's how I mix two cycle oil can't go wrong
Thanks mate
Are all two stroke oils synthetic or not ? Which is better? Does adding a stabilizer in a 2 stroke gas help if your motor sets for a long long time .
Wheres the link for the bottle for mixing?
Had a 1940 somebody older motors they used to use regular straight non detergent 30 weight which you could buy at 7-Eleven back in the day and that's the only oil that engine would run and it wouldn't run on the modern day two cycle oil
I have been hearing about how the 1950s era 2 strokes like the 30 weight motor oil. Thanks for watching!
I just bought a post hole auger that calls for 25:1 . I have the small oil bottles from STIHL thats 50:1 . so can I just use half the oil to make it 25:1 ?
Perfect thank you,
Glad it helped!
I appreciate the info!!
Glad it was helpful!
Hi Wayne, when I mix oil and gas in a gas can, for example, chainsaw, outboard, I put a marble in the can. That shakes the mixture, simular to a BB in spray paint can, if it sits for a while.
Great tip!
The mixing ball in aerosol spray can helps break up tiny particles that settle to the bottom. Sometimes, you can even tell the mixing ball is stuck in it as it does not free itself to mix until after you shake it a bit. You don't have to worry about that with gas and oil if they are compatible with each other. Some oils will separate from the fuel, which you can observe on a cold day mixed in a glass canning jar, like Castor oils and high octane aviation gas. It has to do with specific gravity, which I am not very familiar with. I have never seen any mixing issues with normal pump gas. As long as you have some air space in the mixing can, (so it moves and sloshes in the can), a few shakes for piece of mind is all you need. Interesting thinking, but 2 different applications.
Man my brain has always been slow to catch up with this ratio mixture stuff 🤦♂️I’m going to west marine to buy one of those plastic containers 🫙
The bottle makes it so much easier!
If it's 51 what would you put it on for 1 gallon
What about if you carry a five gallon gas jug but your boat tank is a 6 gallon??
I love that bottle but I wish they made a bigger one lol. It's not fun when you have to put 4 of those in a tank because you have a 40 gallon tank.
Not many people running big tanks with 2 strokes anymore!
well done
hi I hope and you can help me I have a jhonns 4 115 engine I can use the 50 1 for gasoline
This is why the US needs to switch to metric, LOL!
For a 50:1 ratio, just shift the decimal two places to the left, then multiply the result by 2. For 20 liters of gas, that would be 0.20 liters x 2, or .4 liters of oil (aka 400 ml). A shortcut is to multiply the number of liters by 20 and change the units to milliliters.
For a 100:1 ratio, it's even easier - just take the liters of gas and shift two decimal places to the left. A shortcut for a 100:1 mix is to multiply the number of liters by 10 and change the units to milliliters. So, for 20 liters of gas, a 100:1 mix would be 200 milliliters.
Nice video! However I do feel that us Europeans (using the metric system) are better of. On 5 liters of gas (=5000 ml) just add 100 ml of oil for 1:50 or 50 ml of oil for 1:100. No need for separate measuring jugs.
Another great argument for the metric system!
What type of gas can i use?
But how do I shake it all together before adding it into my 8 gallon under deck boat tank???
How long can I store the mixture after I mix manually the 50:1 (1 gallon gas:2.6 Oz oil)? I may be left with 1/2 gallon leftover after using it on 2 stroke leaf blower. Can I pour this into my Honda crv or should I just throw away since it’s going to snow anyways here in a month?
I have stored the mix for up to 5 months - and after that, if it has ethanol in it, it seems to give me trouble. I usually run my older fuels (mixed or not) through my riding mower mixed with good fuel.
Switch to metric and all you have to do is X by 20...or by 2 and add a 0, for 50:1....19 × 2= 38 add a 0 380mls
Heres a question if i have a tank 14.2 ounces fuel capacity , how many litres is that? And how much 2stroke oil goes into that
Finally
Hi Wayne. Thanks for the helpful video. I have seen conflicting info on this, but do you detach the fuel line from your motor in between uses? Thanks!
My small 2 stroke has an internal tank so I just turn off the flow and run the carb dry.
@@WayneTheBoatGuy A lot of people do that, and I have never seen an engine failure because if it. But understand as the carb runs out of fuel, when the rpm's go up, it is running in a lean "fuel air" condition. If it did not run out of gas and stall, that condition will cause engine damage. I would not run the carb dry by revving it or under load. But I think that is more of a concern for engines that are tuned on the edge for performance, well tuned racing engines, as they run best on the edge of too lean.
what is the right ratio for a 90hp mercury oitboard
A google search of your serial number should help you find the right mix for the year of your engine.
Hi ! Why pour it into the container when you can use the measuring chart on the side of the 1qt.
2- stroke oil container ?
Your never going to get all the oil out
Of the fancy container and it tells you on the qt.of 2 - stroke oil how many gallons the qt.will properly mix , ok thanks
Olá, amigo! Tudo bem? Uma dúvida. Qual tipo de óleo você usa? Sintético, semisintético ou mineral? Obrigado
Still some oil in container. I usually pour a little gas back in container, shake it up and then back into gas tank
Sweet thank you my dad made it sound like it was so complicated not with that cup
Oh on the earlier message to kill switch yeah you know we took jet ski kill switches and scavenge them and put them on our boats instead of the regular push button kill switch it fits right in the same hole and you have the lariat to put to be safe I always recommend putting a kill switch in case you fall out of the boat
Felt markers won't ever without long term. The best thing I have come up with is custom made dog tags
I use a paint cup from the hardware store
Hi, to the community. Nobody talks about 10 : 1= British seagull outboard, I think that's 100 ml of oil per litre of fuel. Is this correct? My outboard seems 'happy' but I really don't know, it is supposed to be slightly smokey I understand. Could somebody in the know, kindly message me? 😘
Do we have to use ethanol gas?
Depends where you live and if you can get non-ethanol. If you can get non-ethanol, you should!
How many ounces for five gallons. For a 1966 fast twin evinrude 10 horse. Thanks.
If you put your oil in then fill you can with gas you don't need to shake it
I don't know if you have them in the states, but here in Australia we have green plastic fuel jerry cans for 2 stroke.
I wonder... I have only ever noticed red and yellow (diesel) but maybe we do. It's a great idea!
I've seen Blue for 2 cycle.
Does it matter gas grade
Ideally we should use ethanol free and many people prefer to use higher grade gas for their older 2 stroke outboards.
can you tell mi what is the best mix for johnson 70vro
in 1L how much oil?
or in 10L how much oil?
if your engine is 50:1 (like many 2 strokes) it would be 20 ml per liter or for 10 liters it would be 200 ml
When it comes to premix oil its always a good idea to be just a touch rich.
Easier to replace a spark plug than a piston right?
That's a neat way to look at it!
Thanks for your great video I just bought a boat with a 1990 9.9 two stroke I was going to get rid of the motor because mixing gas and oil seemed like a huge hassle and replace with four stroke but your video made it so easy to do the oil gas mix now I love the motor thanks Wayne
So how many ounces did you put in
So I have a mercury 5hp outboard does the hp matter though yours is a 2.5? I'm new to this and wanna make I'm doing it right. Thx.
No I think all the newer ones (like from 2000 up) are 50:1 - but be sure to check for an online manual to be certain!
Ok Wayne question for you and other viewers
So I've got mixed gas in a fuel tank that came with my mfg gypsy when I bought it how do I know if it's usable or good still?
If the fuel in your area contains ethanol, there's a much higher chance that it is bad than if it is non-ethanol. I usually try the old fuel first, and if the engine doesn't run, I try a container of new fuel. Sometimes if it only runs on new fuel, you can mix the old and new to use it up - but it might not run very good until you use up the old fuel.
@@WayneTheBoatGuy thank you for the insight sir
Great video! Thanks! What premix do you recommend for a Nissan/Toahtsu 3.5 hp 2 stroke?
Most of the 'newer' 2 stroke outboards use 25:1 for the break-in period (when an engine in new) and 50:1 after that.
@@WayneTheBoatGuy Thanks. I was using 100:1. Can it be bad for the engine?
I bought an evinrude 88 spl 2-stroke engine, the one who owned it told me he used 33-1, would I have problems if I change it to 50-1?
Some people run with more oil, but they smoke more.
How many hours does a full tank run this behemoth of an outboard engine??? I rebuilt one of these for an old gentleman a couple of summers ago. He has gotten too old to use it. He wants me to have it , because I took care of all his equipment , and only charged him for the parts. I assume it'll run all day on a tank.
My 2.5 2 stroke Mercury probably could run all day on 3 or 4 gallons!
great video,. I found some 10yr old oil, what is the life span of two cycle oil?
I have no idea...personally, I would use it!
Longer than ours. But, it is actually a byproduct of organic material breaking down, is 100% natural, and not "alive" anymore.
We never pumped out "spoiled crude" out of the ground.