[NSRCA-discussion] YS 140 help

[Jerry Stebbins]

High speed. Needle is normally out 1 1/2 turns  +or -
Jerry
----- Original Message ----- 
From: "DoWayne Gould" <iflyrc24 at gmail.com>
To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
Sent: Tuesday, July 25, 2006 6:42 PM
Subject: Re: [NSRCA-discussion] YS 140 help


> Jerry
> Are you referring to the high speed needle and seat as a set?  On the low
> speed side the only parts that I see are a needle and o-ring that screw 
> into
> the throttle barrel.
> Dowayne
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Jerry
> Stebbins
> Sent: Monday, July 24, 2006 11:28 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] YS 140 help
>
> DoWayne, I would check the needle and seat both. If you have a set that 
> runs
>
> ok, try the whole assy package in the other engine. YS changes
> configurations without changing the part no. There are at least two
> different assembly's that do not interchange!You cannot run the wrong
> needle--it will not run. We have mixed up needles during rebuilds and had 
> a
> similar problem. Found out the hard way that they are different, and you
> cannot mix them.
> Jerry
> ----- Original Message ----- 
> From: "DoWayne Gould" <iflyrc24 at gmail.com>
> To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
> Sent: Monday, July 24, 2006 8:31 PM
> Subject: Re: [NSRCA-discussion] YS 140 help
>
>
>> Thanks for all the suggestions. I am kind of disappointed only one buy OS
>> crack and not one word from the electron crowd.
>>
>> So far I have replaced the pump plunger and button (?) and diaphragm,
>> checked valve cover gasket and lapped valve cover flat, replaced fuel
>> lines,
>> removed carb and barrel blew thru and cleaned passages that I could find.
>> Still won't run.
>>
>> I did find the low speed needle would only protrude into the air bleed
>> hole
>> about 1/32" bottomed out. I compared this needle with one out of another
>> engine and it is about 1/16" shorter than the one that runs.
>>
>> If a new low needle doesn't work it's going west.
>> Dowayne
>>
>>
>> -----Original Message-----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Bob Kane
>> Sent: Sunday, July 23, 2006 11:12 PM
>> To: NSRCA Mailing List
>> Subject: Re: [NSRCA-discussion] YS 140 help
>>
>> If you are coming up to Mike Darr's contest I can have
>> a look at it.  Sounds like there is not enough fuel
>> getting to it for whatever reason, junk, gunk, dirt,
>> grass, and or swelled silicone somewhere.
>>
>> --- DoWayne Gould <iflyrc24 at gmail.com> wrote:
>>
>>> YS Experts
>>>
>>> I have a 140S that I can't get to run correctly. The
>>> engine won't start or
>>> run under half throttle.  When it does start it will
>>> surge bad for a short
>>> while slow down and quit. If you try to throttle up
>>> or down it will quit.
>>> The engine will be very hot after a 60 second or so
>>> run attempt.
>>>
>>>
>>>
>>> I am using Powermaster 20/20 fuel, APC 16-10, the
>>> regulator is flush, High
>>> speed needle has been from 1.5 to 3 turns out, low
>>> speed out 1.5 turns. The
>>> check valve is in working order and filter is new.
>>> the tank does pressurize
>>> and hold it.
>>>
>>>
>>>
>>> This engine has been stored for around a year.
>>>
>>>
>>>
>>> Any help will be greatly appreciated
>>>
>>> Dowayne
>>>
>>> > _______________________________________________
>>> NSRCA-discussion mailing list
>>> NSRCA-discussion at lists.nsrca.org
>>>
>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>>
>>
>> Bob Kane
>> getterflash at yahoo.com
>>
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