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YS-60SR,, strange issue

caser

Senior Heliman

deep jungle

Guys, install a new 60 in my Synergy N5C last week, hookt up with the new Hatory 60pipe,,
done around 15 smooth rich hoover flights,,

However anytime if now i want to go idle up or running more then 60% headspeed the engine dies out but when i recover trottle lower it will come back again,,

I tid try out any possible needlesettings,, it looks to me the higher needel do not respons on changes,,

Plug YS,, and running it with Byron fuel 30% master blend.
The thank lines and filter are clean and fine,,

what can it be????????

thanks..

08-04-2012 Over year old.
airdodger

Elite Veteran

Johnston USA

Fifteen tanks just hovering, really? You should reset the needles to factory run settings, use a new plug, make sure you have no pressure leaks, and try again.

Chris

08-04-2012 Over year old.
ch-47c

Elite Veteran

san jose, ca

Are you using a govenor?
Did you change the lower throttle curve points?

08-05-2012 Over year old.
rexxigpilot

Elite Veteran

Florida

It has to be either real rich or extremely lean on the high needle. Since it came back after you reduced the throttle, I'm thinking it must be pig rich. Go to factory on the HIGH needle and reduce from there until there is no bogging out.

08-05-2012 Over year old.
caser

Senior Heliman

deep jungle

try all those things,, 100% no leak, change plug, have been over and over back to factory settings,, leanit and rich it,, no way....

no gov,, as it first should runn in nicely,,
it seems to me that there is something blocking the fuel transfer on the high needel,, maybe from production??or the membrane is stackt?

08-05-2012 Over year old.
rexxigpilot

Elite Veteran

Florida

You could have something blocking the regulator. Carefully take it apart and check it.

08-05-2012 Over year old.
bobbyra

Senior Heliman

ft myers fla

Mine was running rich at 2 out on mid and high at the factory settings.

08-07-2012 Over year old.
caser

Senior Heliman

deep jungle

Ok Guys, i could make it work finaly, i removed the needles and blow high pressured air thrue the carburator?, hope its the right name in english,,
i guess the Membrane was stuckt somehow,, i could not fine anything else,,

aniway it works now perfect and the engine really has power!!

maybe one hint, i find out that this engine i really sensitive on tuning, Not Difficould but sensitive.

I have mine at 1.4 open and 1,6 at the midrange.
By just change the needles for only 1 or 2 clicks can make it perfect or
even complet not work.
so if you are tuning it, go slowly one by one.
thats what i find out..

thanks for the Hints`!

08-12-2012 Over year old.
Hakulhak

Heliman

Malaysia

Welcome To YS
you will never regret

Thank you

08-29-2012 Over year old.
HOMEPAGE  
MANCHA

Veteran

Cabo San Lucas, Baja- Mexico

Once tuned up it will perform perfect all season; in winter fine tuning will be in order again.

Enjoy.

MANCHA

09-01-2012 Over year old.
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Engines Plugs Mufflers Fuel

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YS-60SR,, strange issue

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