Are there weights for 2 cycle oil?

[Steve128]

20-50 2 cycle oil ?

Just curious if anyone has seen 2 cycle motorcycle oil labeled like this before (20w-50).

I did a search and nothing came up.

thanks

 

[rokky]

2 cycle oil does not come in multi vicosity.

Remember, 2 stroke oil is pre-mixed with gasoline, or injected somewhere to mix with gas/air before it enters the engine.

Mix oil is sold in the proper weight in order to mix well with gas.

Injection oil is the same. Designed for oil injection systems.

Main thing to know is what to look for. Outboard engines need a different type of 2 stroke oil compared to powersaws.

What are you looking for and what are you using it for? Perhaps someone can help.

Do not use 20/50 auto oil for 2 cycle applications.

 

[Steve128]

Rokky:

I agree with what you said, but it appear to be 2 cycle oil. The ad asserts, amoung other characteristics, it has a

quote:

---

Special balance of advanced components to allow thorough mixing with fuel.

---

I'm thinking this is improperly labeled.

 

[rokky]

I'm sorry Steve. I did not see the link you had supplied.
That is something new to me. 20/50 2 stroke oil.
It would be nice to hear from others on this stuff.

 

[Master ACiD]

i suppose anything is possible. all oils, even 2 cycle must have an grade. doesnt mean they have to put it on the packaging, which none do. but all oil is a certain thickness and it thins when it get hot.

i suppose this one single blender decided to market the thickness of its 2 cycle oil?

maybe alot of 2 cycle oils are of the 20w50 thickness.

 

[wileyE]

I think in the case of the valvoline it's a marketing experiment, mainly because it's so bold on the label. 20w50 being synomonous with motorcycles and race oils in some peoples minds.


I have seen the 20w50 as a visc spec for other injector oils, so its nothing new. NEO's RED (or is it green?) come to mind. The idea I guess is to show a wide variety of protection at varied temps? Most twos cycle are spec'd 40w or "where 30,40,50w are called for" going back to the days when we did use straight weight motor oil in our premix.

[ December 29, 2005, 11:12 PM: Message edited by: wileyE ]

 

[Blue99]

I think this is strictly a problem with graphics, possibly just the images on the website.

This Valvoline Webpage shows the 4 stroke & 2 stroke bottles side-by-side. Note the similarities.

The actual Valvoline 2 Cycle Oil Product Data Sheet lists the viscosity at 7.4 cSt, which is the equivalent of a SAE 20 viscosity grade, not the 17-18 cSt of a 50 weight oil.

I would be very surprised if the Valvo 2 cycle oil bottles on the shelf at Auto Zone or Checker/Kragen, actually had the 20W-50 designation.

 

[wileyE]

http://www.neosyntheticoil.com/t2br.htm


20w50 spec here too

 

[Blue99]

Neo is using 20W-50 as a labeling term, to imply multi-viscosity performance for cold temperature injector use.

The T2-Big Red oil is not a 50 weight oil, it's only 13.1 cSt at 100C(210F). A SAE 50 has to be a minimum of 16.3 cSt per the SAE J300 chart.

See the Product Data Sheet for the Mobil line of 4 stroke & 2T two cycle oils.

Note that for the SAE Viscosity, the 2T (MX2T) oil lists N/A - Not Applicable.

And the Mobil 2T is 13.7 cSt @ 100C, actually 1/2 centistoke thicker than the Neo T2 Big Red.

 

[FZ1RN]

2T is a designation for air-cooled 2 stroke engines such as chain saws, leaf blowers, scooters, and air cooled motorcycles. The TW-3 "number" is for more water cooled 2 stroke engines as in jet ski's ,small water cooled boat moters, etc. I have seen a few 40 wt, or 50 wt, 2 stroke numbers but never put much importance on it. Any air cooled small 2-stroke motor needs the additives in the "2T" oil...as they run usually hotter and WOT most of their life.