O/T 2 CYCLE AIR COOL mtrs.

How do 2 cycle engines with only a fuel/oil mix lubricate internal parts
that never get exposed to the mix ?"

And does the 2-cycle oil have an additive that aids the lubrication
factor?

just curious

ps - weedeaters, chainsaws, lawnmowers, blowers, and the like.

mho
vƒe

>double dog dare you, sound familiar?

>to reduce your driving by *-**10%.

Don't know of any part in a 2 smoke that doesn't get some portion of the
mix to them. That is why the shaft seals on them are so important. Lube
wise there is the crank bearings, rod bearing and wrist pin. They are
all usually roller bearings and all are lubed by the premix. Rings get
lubed the same way as any other engine. What's left?

--
Steve W.
Life is not like a box of chocolates
it's more like a jar of jalapenos-
what you do today could burn your ass tomorrow!

> wrote in message
...
How do 2 cycle engines with only a fuel/oil mix lubricate internal parts
that never get exposed to the mix ?"

And does the 2-cycle oil have an additive that aids the lubrication
factor?

just curious

ps - weedeaters, chainsaws, lawnmowers, blowers, and the like.

mho
vfe

>double dog dare you, sound familiar?

>to reduce your driving by - 10%.



----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----

wrote:

> How do 2 cycle engines with only a fuel/oil mix lubricate internal parts
> that never get exposed to the mix ?"

I can't think of an internal part that DOESN'T get exposed to the mix,
so I don't understand your question.

>
> And does the 2-cycle oil have an additive that aids the lubrication
> factor?

Uhhh. yeah. Its called "oil." The additive package for 2-cycle oil is
more concerned with using additives that reduce smoking and carbon deposits.

wrote:

> How do 2 cycle engines with only a fuel/oil mix lubricate internal parts
> that never get exposed to the mix ?"
>
> And does the 2-cycle oil have an additive that aids the lubrication
> factor?
>
> just curious
>
> ps - weedeaters, chainsaws, lawnmowers, blowers, and the like.
>

Chainsaws have a separate place where you put in lubricating oil.

thanks John, Steve, No-name, that answers the question.
====

>Chainsaws have a separate place where >you put in lubricating oil.

is this for the chain?

======
Thought I would toss this in for those who are concerned, a mechanic
told me one

time that these air-cooled 2-cycle engines operate better when they are
run at high R P M S occasionally during each use. Helps keep the ports
open. Makes sense.

mho
vƒe

>double dog dare you, sound familiar?

>to reduce your driving by *-**10%.

no_name wrote:
> wrote:
>
> > How do 2 cycle engines with only a fuel/oil mix lubricate internal parts
> > that never get exposed to the mix ?"
> >
> > And does the 2-cycle oil have an additive that aids the lubrication
> > factor?
> >
> > just curious
> >
> > ps - weedeaters, chainsaws, lawnmowers, blowers, and the like.
> >
>
> Chainsaws have a separate place where you put in lubricating oil.

Chain oil.

Lets reverse the question. There's a 4 stroke string trimmer thats made by
stihl- it uses premix. How the heck they lube the cam/rockers/ whatever they
have for valve operation? The stihl fs110... Pat

patrick mitchel wrote:
> Lets reverse the question. There's a 4 stroke string trimmer thats made by
> stihl- it uses premix. How the heck they lube the cam/rockers/ whatever they
> have for valve operation? The stihl fs110... Pat

Good question, why don't you look into it and report back.

http://www.stihl.ca/4mix/english/sti.../default1.htm#


--
corning_d3
------------------------------------------------------------------------
corning_d3's Profile: http://www.automotiveforums.com/vbul...?userid=373828
View this thread: http://www.automotiveforums.com/vbul...d.php?t=557172

http://www.automotiveforums.com

corning_d3 wrote:
> http://www.stihl.ca/4mix/english/sti.../default1.htm#
>
>
> --
> corning_d3
> ------------------------------------------------------------------------
> corning_d3's Profile: http://www.automotiveforums.com/vbul...?userid=373828
> View this thread: http://www.automotiveforums.com/vbul...d.php?t=557172
>
> http://www.automotiveforums.com

Interesting link on the 4-Mix, thanks for posting it. Two questions
come to mind.
1. I wonder if carbon build-up will be an issue on a valved motor that
burns oil as a part of the combustion cycle.
2. Are seals a long term potential problem since the crankcase and and
overhead areas have to be well sealed to permit alternating pressure
and vacuum.