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Old 20 September 2016, 01:59   #11
Country: Ireland
Town: Castlebar
Boat name: Clewless
Make: Valiant DR 490
Length: 4m +
Engine: 60 hp ETEC
MMSI: Awaitng one
Join Date: Oct 2007
Posts: 1,245
I have used the fuel condItioner in the past. I found there were small metal lumps in the bottom of the can as not a lot was sold on the west coast of Ireland. The product was probably stale.. such a product would cause more harm than good. Just trying to get the best out of the engine and protect the injectors. Used the product on two occasions


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Old 20 September 2016, 02:02   #12
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
Join Date: Dec 2006
Posts: 4,014
Originally Posted by alfaalfa View Post
E-tec made in the US, few countries with more added ethanol then the US. If they do not have any problems with the fuel, then why worry.
I think its fair to say they do have issues with Lots of Ethanol in the fuel and most try to run fuel with low or no ethanol. The main problem is when they get phase separation of the fuel, lots of pictures of this on the net.

Chris Stevens

Born fiddler
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Old 20 September 2016, 04:37   #13
MatFromPoland's Avatar
Country: Poland
Boat name: T1
Length: 5m +
Engine: EVINRUDE 115 HO
MMSI: 261026640
Join Date: May 2014
Posts: 596
2+4 contains isopropanol (if I remember) not ethanol.
But yes it is alcohol also but different one

Busting Ethanol Fuel Myths | West Marine

About idea to add XD100 oil into fuel tank:
- it has not impact to fuel separator and filter ?


Haha I have found this:
Warning about ethanol plus advice to use 2+4


1. If possible, try to avoid using ethanol fuel blends in your outboard and marine engines.

If you are unable to obtain alcohol-free fuel in your area, you SHOULD TEST THE FUEL YOU BUY to assure the ethanol content is at or below 10 %.

7. Make sure your motor is equipped with a water separating fuel filter.
Evinrude E-Tec's, and other newer engine models have them, other engines may or may not. The installation of a water separator in the fuel line will help with small amounts of water. Some marine engines are also equipped with water sensors.

8. Check fuel system for contaminants and clogging and replace your fuel filter often.
Fuel filters should be replaced at least every 50 -100 hours.

9. Evinrude - Johnson 2 + 4 fuel conditioner will stabilize fuel, inhibit corrosion and absorb moisture (water) without adding alcohol to the fuel. Add fuel conditioner at every gas fill-up.

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