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2-stroke oil

I have a question for all those 2-strokers out here. We have a 2004 Yahama 300 HPDI on a boat with an 80 gallon fuel tank. I have a couple of gallons of gas, in cans, which has had 2-stroke (regular chain saw type) oil mixed in. I have no need for the couple of gallons of leftover gas. Without wanting to simply pour it out, I am considering pouring it into the boat's fuel tank and hoping it will be absorbed without any problems.

I've been told by a local boat caption I know that it would be better to simply pour that same fuel into my vehicles tank and burn it up that way. I have never considered this, but the end result is I want to dispose of this fuel in the manner to result in least possible future problems.

My primary concern is any possible negative impact to either of the engines, both of which are still under warranty.

DownTime
Oct 21
2005
I took 3 gallons of 4-6 mo old 2 cycle gas and put it in my explorer... Luckily it was under warranty as it clogged up a couple injectors... Not sure how or why or if it was a total coincidence but I won't do it again....

I do dump it in my carborated 125 HP Merc and have never had a problem. No smoking or anything but the most I have dumped is 3-4 gallons into a 50 gallon tank.

Don White wrote:

Ed
Oct 21
you are kidding, right?

I wouldnt put any oil in the gas for DFI motors... Your 300 HP motor should be worth more than salvaging a few gallons of mix ... run it in your chainsaw or lawnmower ..

I also dont know why chainsaw 2 stroke oil would have any busines in a colder running outboard ...

Matt

web1000
Oct 21
no, i am not kidding. we do not have a place to drop it off that i am aware of, and i do not want to simply dump it out. i do not want it sitting in cans in the garage for months. i am not an engine mechanic, and i am not exactly certain what it will do. the boat has a separate oil reseviour, so i do not pre-mix. i do not want to put it into anything which may cause a problem.

i do not own a lawnmower. it is from the tailgator and i am not about to mix up that many beverages simply to get rid of the gas. i may just simply give the cans to the next landscaper who drives by, living in SW Florida, there are plenty.

DownTime
Oct 21
whatever you do. Do not run the oil in your 25000$ HPDI motor, unless you have more of those motors sitting around ;)

Dont listen to the "My uncle's friend has been doing this for the last 20 years and its fine" crowd.

web1000
Oct 21
: whatever you do. Do not run the oil in your 25000$ HPDI motor, unless : you have more of those motors sitting around ;)

: Dont listen to the "My uncle's friend has been doing this for the last : 20 years and its fine" crowd.

Agreed and same with the car. We're talking about mice nuts in dollars here vs. the pain in the butt it may cause. Keep it for the chainsaw.

b.

Oct 21
That's my problem. I live on a postage stamp lot in the center of the city...so my chainsaw, my lawnmower and my snowthrower are all electric. The only gas burners are my mini-van, 6 hp Evinrude Yachtwin and my 3 hp British Seagull. Maybe I will take the mixed gas to the waste depot... I don't want to use it next summer...I'd rather start fresh. Don
Oct 21
thank you for the input. i plan to just give it to the next landscaper i see drive thru the neighborhood, assuming they won't think i'm some sort of nut job. DownTime
Oct 22
This spring, I took 10 liters of last years 2 stroke gas to a hazards materials depot. This year, I only have 4 liters left over. I may put half in my mini-van gas tank each of the next two fill ups. My brother-in-law says a small amount shouldn't hurt the catalytic converter of anything else. Don
Oct 21
At the end of the season, I always have mixed two stroke gas in my boat, and I don't like using old gas the following season, so I use it in my riding lawn mower. Barely even smokes, and it runs perfectly with it. So, dump it in your lawn mower. atl_man2
Oct 21
   

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