No smoke using T2 synthetic (two stroke) anymore
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No smoke using T2 synthetic (two stroke) anymore Bob Nixon 09-07-2007
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Posted by Bob Nixon on September 7, 2007, 4:09 pm
I'm using the same amount from the oil tank on my newly rebuilt 84
RZ-350 but the smoke and smell from the exhaust keep getting less and
less, to the point I'm just a bit worried about adequit lubrication.
The oil is low ash synthetic T2 (forget the name of the mfg) but maybe
2 stroke oil burns up better these days without any smoke.

My friends when riding behind me confirm the smell and smoke are
almost non-existent, even when I'm at full throttle. What gives?
Opinions please?

Bob Nixon. (one legged half hearted=literaly biker)


Posted by Martin Walker on September 7, 2007, 6:45 pm

"Bob Nixon" wrote ...
> I'm using the same amount from the oil tank on my newly rebuilt 84
> RZ-350 but the smoke and smell from the exhaust keep getting less and
> less, to the point I'm just a bit worried about adequit lubrication.
> The oil is low ash synthetic T2 (forget the name of the mfg) but maybe
> 2 stroke oil burns up better these days without any smoke.
>
> My friends when riding behind me confirm the smell and smoke are
> almost non-existent, even when I'm at full throttle. What gives?
> Opinions please?
>
> Bob Nixon. (one legged half hearted=literaly biker)
>
A few years ago I switched to Klotz synthetic two stroke oil for our
snowmobiles and there was hardly any smoke or odor compared to the "regular"
Arctic Cat injector oil we prevoiusly used. I think with direct (fuel)
injection and modern oil, two strokes could be as clean burning as a four
stroke.



Posted by the fly on September 7, 2007, 10:51 pm
wrote:

>I'm using the same amount from the oil tank on my newly rebuilt 84
>RZ-350 but the smoke and smell from the exhaust keep getting less and
>less, to the point I'm just a bit worried about adequit lubrication.
>The oil is low ash synthetic T2 (forget the name of the mfg) but maybe
>2 stroke oil burns up better these days without any smoke.
>
>My friends when riding behind me confirm the smell and smoke are
>almost non-existent, even when I'm at full throttle. What gives?
>Opinions please?
>
>Bob Nixon. (one legged half hearted=literaly biker)

        We used to use a full-synthetic oil in RD350s as long as 30
years ago. Very little smoke, if any, and much improved plug life.
Excellent lubrication, even of rod bearings (as evidenced by a
teardown or two for other reasons).
        It somehow doesn't evoke the same feelings as a snort of
exhaust laced with Castrol R, but then the unleaded fuel just doesn't
have the same bouquet, either.
        Just make sure the oil pump cable adjustment causes the
witness mark to line up exactly at full throttle, and you're good to
go. I envy you your wonderful little ring-ding.

Posted by Rick Cortese on September 8, 2007, 2:54 pm
Bob Nixon wrote:
> I'm using the same amount from the oil tank on my newly rebuilt 84
> RZ-350 but the smoke and smell from the exhaust keep getting less and
> less, to the point I'm just a bit worried about adequit lubrication.
> The oil is low ash synthetic T2 (forget the name of the mfg) but maybe
> 2 stroke oil burns up better these days without any smoke.
>
> My friends when riding behind me confirm the smell and smoke are
> almost non-existent, even when I'm at full throttle. What gives?
> Opinions please?
>
> Bob Nixon. (one legged half hearted=literaly biker)
>

Just my opinion but if it was smoking a lot before the rebuild, it may
have had other issues like worn main seals.

You are probably really close to optimum air/fuel ratio too if not a bit
on the lean side. If you don't have overheating or detonation problems
then congratulation on getting it tuned perfect!

Rick

Posted by Bush on October 4, 2007, 8:43 pm
35 years ago I began using and still use Blendzall. No smoke either
but my buddies know when I'm around.

Have a great one!

Bush

wrote:

>I'm using the same amount from the oil tank on my newly rebuilt 84
>RZ-350 but the smoke and smell from the exhaust keep getting less and
>less, to the point I'm just a bit worried about adequit lubrication.
>The oil is low ash synthetic T2 (forget the name of the mfg) but maybe
>2 stroke oil burns up better these days without any smoke.
>
>My friends when riding behind me confirm the smell and smoke are
>almost non-existent, even when I'm at full throttle. What gives?
>Opinions please?
>
>Bob Nixon. (one legged half hearted=literaly biker)


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