2 Stroke Mix

[GraemeCooper]

Hi

Can anyone tell me whether a 40HP Mariner ML 2 stroke should be run at 1 : 100 or 1 : 50 2 stroke Mix. I have been told both - so just need to find out how it realy should be.

Thanks

[L4RRY]

Originally Posted by GraemeCooper

Hi

Can anyone tell me whether a 40HP Mariner ML 2 stroke should be run at 1 : 100 or 1 : 50 2 stroke Mix. I have been told both - so just need to find out how it realy should be.

Thanks

I run my Mariner 40 at 1:50 - That's what my mechanic told me and it's been fine for months so i can't imagine where 1:100 came from?

[Nos4r2]

Originally Posted by L4RRY

I run my Mariner 40 at 1:50 - That's what my mechanic told me and it's been fine for months so i can't imagine where 1:100 came from?

Some ran at 100:1. 50:1 is safer anyway.

[GraemeCooper]

Thanks chaps - informative as always

[codprawn]

I think 100:1 is for the sake of the environment rather than your engine!!!

[Locozodiac]

Originally Posted by GraemeCooper

Thanks chaps - informative as always

Get your 40 manual and have a look, better run 50:1 until you have the right information, will ruin your engine if used on 100:1 and turns out to be 50:1 engine. The other day read this sales ad that Yamaha 2 stroke engines 2008-2009 are running 100:1 Check tech specs at bottom:

http://www.onlineoutboards.com/25hp_...oard_motor.htm

Happy Boating

[GraemeCooper]

Manual? - erm - will see if I can find one online

[chewy]

If you speak to EP Barrus they will tell you.

I spoke to em about my Mariner 15hp Marathon.
On normal 2 stroke oil the mix is 50:1 but if you buy a certain grade of 2 stroke oil it can be reduced to 100:1.
Don't ask me what the grade of oil was but thats what I got told.

The other thing when buying oil is make sure it conforms to the correct standards, some oil might have well of come out of my chip pan.

[jwalker]

Originally Posted by GraemeCooper

..Can anyone tell me whether a 40HP Mariner ML 2 stroke should be run at 1 : 100 or 1 : 50 2 stroke ..

I'm not sure of your Mariner ML but at one time the mariner range of smaller motors were rebadged Yamaha Origin engines. Mariner recommended 50:1 for these but Yamaha recommended 100:1. Both companies put a transfer of the oil ratio on the side of the engine tray on some of the models. I'd stick with 50:1 cos 100:1 isn't much oil.

[chewy]

Thats what mine is I think. It'll run 100:1 on whatever oil Yamaha spec.