oil mixture

[Little Landon]

Last fall before storing my boat, I think I might have put 4 cycle oil in my 110 Johnson which is a 2 cycle. I only added 5 gallons of gas to about 5 gallons already in it. I ran the boat for about 10 minutes. Do I need to drain this fuel out and start over with a good 50:1 mixture before starting it up this spring? Thanks for any help.

 

[MH Hawker]

Re: oil mixture

I would

 

[Illinoid]

Re: oil mixture

2 cycle oil has no detergent in it, 4 cycle oil has detergent in it which will cause it to not lubricate a 2 cycle engine properly. I would both drain the old gas mix and fog the cylinders.

 

[Little Landon]

Re: oil mixture

I;m kind of new to this. So how would I fog the cylinders?

 

[boobie]

Re: oil mixture

Check the top secret file at the beginning of this forum.

 

[emdsapmgr]

Re: oil mixture

You can purchase an aerosol can of Bombardier Fogging Oil from any Evinrude dealer. The can has instructions on how to use it. It's good stuff.

 

[steelespike]

Re: oil mixture

I would add some good TCW3 oil for that 5 gallons you miss mixed.It won't even notice the the miss mixed fuel.
Just don't pound the motor too hard till you get the fuel used up.
She'll smoke a little more but the final mix will be something likle 30:1.

 

[boobie]

Re: oil mixture

Good point Steel.

 

[Little Landon]

Re: oil mixture

I would add some good TCW3 oil for that 5 gallons you miss mixed.It won't even notice the the miss mixed fuel.
Just don't pound the motor too hard till you get the fuel used up.
She'll smoke a little more but the final mix will be something likle 30:1.

How much of the tcw3 oil should I use for this 5 gallons---say about 6 ounces for 5 gallons?

 

[kbait]

Re: oil mixture

13 oz would make a 50/1 mix with straight gasoline. Since you already put enough 4 stroke oil in for 50/1, I'd say half of the 13oz (6.5 oz) would be sufficient to make sure you have protection. You'll be running too much total oil, but you probably won't notice anything but a bit of blue smoke.

Good luck!

 

[Chris1956]

Re: oil mixture

Before you so anything, pour a cupful of the fuel mix into a clean container. look at the color. 2 cycle oil is dyed (red, green, blue are most popular), whereas 4 cycle oil is not. If the gas looks like it has a brown tinge, it is likely mixed with 4 cycle oil. If light green, blue or red, it is probably mixed properly.

 

[Little Landon]

Re: oil mixture

Before you so anything, pour a cupful of the fuel mix into a clean container. look at the color. 2 cycle oil is dyed (red, green, blue are most popular), whereas 4 cycle oil is not. If the gas looks like it has a brown tinge, it is likely mixed with 4 cycle oil. If light green, blue or red, it is probably mixed properly.

I definitely put 4 stroke in it. Went and pulled cover off and found the bottle that I used. I think I will siphon the fuel out and start over with a good 50:1 mixture and won't have to worry about anything. Ran good the little bit that I ran it. Don't think I ran it enough to do any damage---about a mile at half throttle. Thanks for all of the help from you guys.

 

[Chris1956]

Re: oil mixture

That multivis oil is not good for mixing with gasoline. Now if it had been SAE 30 non detergent, you could have added some TC-W and run it w/o issue