YS .53 Issues - Please help

[george kennie]

Please disregard. After I made the reply it deleted. I had tried for a
couple of days without success.

george kennie wrote:

> How come I can't delete the following e-mail.
> Georgie
>
> ORLANDO FRETS wrote:
>
>>  Van:If the diaphragm wads intact, and not sticky or gooy after you
>> cleaned it, then check the check valve. Something may not allow the
>> diaphragm in the check valve to fully close. A small grain of almost
>> nothing will prevent it from sealing. ORLANDO
>> FRETSojfrets at earthlink.netWhy Wait? Move to EarthLink.
>>
>>      ----- Original Message -----
>>      From:Bob Kane
>>      To: discussion at nsrca.org
>>      Sent: 2/18/2003 9:03:14 PM
>>      Subject: Re: YS .53 Issues - Please help
>>       I can't tell from your description if you removed the
>>      regulator body or just the adjuster screw. As viewed from
>>      side opposite the regulator screw, the regulator is made
>>      up of a silicone rubber diaphram (a thin disk), a brass
>>      plunger which passes through the body of the regulator,
>>      the silicone fuel valve on the stem side of the plunger,
>>      the sping, o-ring, and adjuster. From your description it
>>      sounds like the small silicone fuel valve on the stem side
>>      of the regulator is missing/damaged, allowing pressurized
>>      fuel to pass freely to the carburetor. Check out this
>>      picture at Central Hobbies
>>      http://www.centralhobbies.com/Engines/parts/YS140LEX.htm
>>      It has a clear picture of the regulator parts. (The YS53
>>      picture shows the plunger on the wrong side of the
>>      regulator body) The plunger and the fuel valve are sold as
>>      a unit under one part number.  It and diaphram should be
>>      clear or nearly so (like clear silicone sealer looks when
>>      dry). If it is gummy, the goo you found could be the
>>      result of petroleum based after run oil. You should
>>      replace the diaphram and the plunger
>>
>>       Van - E-Mail LIST <extra330 at tampabay.rr.com> wrote:
>>
>>           All, I purchased a used YS .   I removed the
>>           regulator screw, o-ring, piston and diaphragm,
>>           they where VERY gummy, so I cleaned them very
>>           well and re-installed. Motor runs better, and
>>           will idle around 2500 as of now, but fuel POURS
>>           out of the carb even if I have the throttle
>>           closed off. I'm using 20% Cool Power with added
>>           oil to bring the content to 20%, and OS "Type F"
>>           plugs. APC 11x7 prop The motor is set at 2 1/2
>>           turns open on the High Speed needle, and 1 turn
>>           open on the low needle. The check valve I am
>>           using is from an OS 1.40, not a YS, there was no
>>           YS valve with this engine. Questions: 1 - Why
>>           the fuel pouring out of the carb ?2 - How do I
>>           get the idle better adjusted.3 - Should any
>>           further cleaning be done to the engine ? Much
>>           thanks !
>>           ________________________________________
>>           Van Flowers
>>           NSRCA "K-Factor" Advertising Manager
>>           AMA 6216,  NSRCA 2778
>>           813-784-3794
>>           extra330 at tampabay.rr.com
>>           www.nsrca.org
>>
>>      Bob Kane
>>      getterflash at yahoo.com
>>
>>
>>      -----------------------------------------------------------
>>      Do you Yahoo!?
>>      Yahoo! Shopping - Send Flowers for Valentine's Day
>>
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