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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>First I want to thank Jeff Hughes. He and
Steve Maxwell were the two that helped me get started in pattern in 2003. Jeff
spent about an hour total with me on the phone talking me through the main
bearing replacement.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The engine is running strong. I replaced
the front bearing, rear bearing, and piston ring (Dennis told me how to do it
right) because I didn’t follow proper directions.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Idle’s reliably for over a minute at
2,000 RPM…No Hesitation transitioning to full throttle and no spitting
fuel out of the carb at all…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I did not need to mess with the LE needle.
So the solution to this was…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>1) Purge the pump with denatured alcohol.
I used about 5 ounces…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>2) Replaced the main bearing…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks a toon for everyone’s input…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Larry<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>PS…Hope to see ya at <st1:City
w:st="on"><st1:place w:st="on">Quincy</st1:place></st1:City> next weekend for
those attending. You may want to bring hard hats while you judge my flights…vbg<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Bob Kane<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009 3:26
PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">General
pattern discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>That's OK Larry, we love your wife too . . . . :)<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Bob Kane<br>
getterflash@yahoo.com<o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
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face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Lisa n
Larry <lld613@psci.net><br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">General
pattern discussion</st1:PersonName> <nsrca-discussion@lists.nsrca.org><br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 9, 2009
2:13:40 PM<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help</span></font><o:p></o:p></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I found the trick with a little
help…I replaced the clip and left the wrist pin alone…Got the
piston and rod off…No prying necessary, ready for the easy bake
oven…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I really love my wife Lisa, the work is
being done on our kitchen table and now I’m going to bake the engine in
her new oven…VBG</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Too all those that recommended replacing
the bearing…You helped to save this engine. I pulled the crankshaft and
the balls of the main started to fall out, the bearing spacer clip is broken in
numerous places.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>This engine would have died a painful
death…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>There was no damage to the crank
shaft…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Larry</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Snaproll4@aol.com<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009
12:44 PM<br>
<b><span style='font-weight:bold'>To:</span></b>
nsrca-discussion@lists.nsrca.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 color=black face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:black'>Don't pull the wrist pin. Unless
this part is really gummed up, don't bother. The rough feeling bearing is
a sign you're moving in the right direction.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 color=black face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:black'> </span></font><o:p></o:p></p>
</div>
<div>
<div>
<p class=MsoNormal><font size=3 color=black face=Arial><span style='font-size:
12.0pt;font-family:Arial;color:black'>In a message dated 8/9/2009 1:25:39 P.M.
Eastern Daylight Time, lld613@psci.net writes:</span></font><o:p></o:p></p>
</div>
<blockquote style='border:none;border-left:solid windowtext 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>OK…as I said, I haven’t done
this before…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I’ve removed the clip from the wrist
pin in the piston…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>What’s the trick to pulling the
wrist pin? Is it threaded for a screw?</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If yes, what size…I’m assuming
metric…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Since I have the bearing, I’m going
to replace it…Once I had the prop off, it does feel very
rough…Couldn’t tell it with the prop on and rolling it back and
forth…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I’ll adjust the LE needle once I put
it back together if needed.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The previous owner sent me an e-mail this
morning and said he it was running fine last fall. He also gave be a main
bearing and other parts as well. Based on all the info, I’m replacing the
bearing before I start with adjusting the LE….</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Larry</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 color=black face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:black;font-weight:bold'>From:</span></font></b><font
size=2 color=black face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:black'> nsrca-discussion-bounces@lists.nsrca.org
[mailto:nsrca-discussion-bounces@lists.nsrca.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Phil Spelt<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009
11:55 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">General
pattern discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'> </span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>Larry,<br>
<br>
I have run the 140RX -- FANTASTIC engine!!! I agree with Dave. When
you pinch the fuel line, you lean out the engine temporarily, so it picks up
speed until it dries out and quits. Lean the low-speed needle until it will
idle "forever" -- a minute or more, and pick up smoothly through
midrange to full throttle without hesitation. I have never had my 140RX
stall, at idle or in the air...<br>
<br>
At 12:49 PM 8/9/2009, you wrote:</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>Content-Type: multipart/related;<br>
boundary="----=_NextPart_000_008C_01CA18EF.D0400F70"<br>
Content-Language: en-us<br>
<br>
I’ve never had an OS 140RX so I’m certainly no expert on them but
it sounds like you are too rich on the low end to me. You may still need a
bearing change and new ones won’t hurt but I’d try a little
leaner bottom end first.<br>
<br>
<b><span style='font-weight:bold'>From:</span></b>
nsrca-discussion-bounces@lists.nsrca.org [<a
href="mailto:nsrca-discussion-bounces@lists.nsrca.org" target="_blank"
title="mailto:nsrca-discussion-bounces@lists.nsrca.org">
mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Lisa n Larry<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009
12:41 PM<br>
<b><span style='font-weight:bold'>To:</span></b> '</span></font> <st1:PersonName
w:st="on"><font color=black><span style='color:black'>General pattern
discussion</span></font></st1:PersonName><font color=black><span
style='color:black'>'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help<br>
<br>
I pushed some Denatured Alcohol through the pump and it seemed to clear that up
quite a bit...If I let it sit it will drip a little now and not at all at idle.
So that seems to be under control...<br>
<br>
Now it idles very well and I can adjust top end. I'm getting about 7,900 on a 4
bladed prop 15.5x12 APC w/ PM Mean Green (15% w/ 18% all synthetic oil).<br>
<br>
However, once it idles for any length of time or even 1/2 throttle, it will bog
down and quite as soon as I start to advance the throttle. If I pinch the fuel
tube it will pick up and run. If I go high then low and back to high throttle
without too much delay it transitions well. If I'm at idle for about the same
time as stall turn down line (2 or 3 seconds) it will bog down...<br>
<br>
This is what I'm assuming everyone has keyed in on as the symptom of a main <a
href="http://www.rcuniverse.com/buynow/keywordclick.cfm?bid_id=6534"
target="_blank"
title="http://www.rcuniverse.com/buynow/keywordclick.cfm?bid_id=6534">bearing</a>
going bad...<br>
<br>
Off to surgery...now I get to see what the inside of a 140RX looks like...<br>
<br>
Again, Thanks for all the help....<br>
</span></font><o:p></o:p></p>
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color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>
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<p class=MsoNormal><b><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black;font-weight:bold'>From:</span></font></b><font
color=black><span style='color:black'> nsrca-discussion-bounces@lists.nsrca.org
[<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" target="_blank"
title="mailto:nsrca-discussion-bounces@lists.nsrca.org">
mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Lisa n Larry<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009 9:15
AM<br>
<b><span style='font-weight:bold'>To:</span></b> pnahobbies@sbcglobal.net; '</span></font>
<st1:PersonName w:st="on"><font color=black><span style='color:black'>General
pattern discussion</span></font></st1:PersonName><font color=black><span
style='color:black'>'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help<br>
<br>
I have the stock needle….<br>
<br>
My main spare bearing is a Boca Bearing…P/N 6904Z and it is either
shielded or sealed…<br>
<br>
There appears to be no detectable play in the main bearing currently installed
in the motor…<br>
<br>
My strategy is to flush the pump first and see how it responds…If no go,
then replace the main bearing…<br>
<br>
Thanks for all the help, I will keep you posted…Hopefully we will get a
few practice flights in yet today…<br>
<br>
Larry<br>
</span></font><o:p></o:p></p>
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color=black face="Times New Roman"><span style='font-size:12.0pt;color:black'>
<hr size=2 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><b><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black;font-weight:bold'>From:</span></font></b><font
color=black><span style='color:black'> nsrca-discussion-bounces@lists.nsrca.org
[<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" target="_blank"
title="mailto:nsrca-discussion-bounces@lists.nsrca.org"> mailto:nsrca-discussion-bounces@lists.nsrca.org</a>]
<b><span style='font-weight:bold'>On Behalf Of </span></b><st1:place w:st="on"><st1:PlaceName
w:st="on">Ihncheol</st1:PlaceName> <st1:PlaceType w:st="on">Park</st1:PlaceType></st1:place><br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 09, 2009 3:46
AM<br>
<b><span style='font-weight:bold'>To:</span></b> '</span></font> <st1:PersonName
w:st="on"><font color=black><span style='color:black'>General pattern
discussion</span></font></st1:PersonName><font color=black><span
style='color:black'>'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help<br>
<br>
<img border=0 width=706 height=293 id=MA1.1249839844
src="cid:image001.jpg@01CA190A.944B7160" alt=losmg7025.jpg><br>
<br>
61FX needle is longer than the one on 70A.<br>
<br>
<img border=0 width=668 height=391 id=MA2.1249839844
src="cid:image002.jpg@01CA190A.944B7160" alt=losmg7052.jpg><br>
<br>
Stock needle for 70A carb.<br>
<br>
<b><span style='font-weight:bold'>From:</span></b>
nsrca-discussion-bounces@lists.nsrca.org [<a
href="mailto:nsrca-discussion-bounces@lists.nsrca.org" target="_blank"
title="mailto:nsrca-discussion-bounces@lists.nsrca.org">
mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Lisa n Larry<br>
<b><span style='font-weight:bold'>Sent:</span></b> Saturday, August 08, 2009
10:37 PM<br>
<b><span style='font-weight:bold'>To:</span></b> '</span></font> <st1:PersonName
w:st="on"><font color=black><span style='color:black'>General pattern
discussion</span></font></st1:PersonName><font color=black><span
style='color:black'>'<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help<br>
<br>
Dennis, as always you are right on the money…<br>
<br>
I have not touched the pump or anything else other than the HS needle…I
believe it is either an OS # 8 or a “F”…I don’t have a
61 FX…<br>
<br>
Always coming back to the main bearing…There seems to be a trend
here…<br>
<br>
I haven’t flown a contest in over two years…Looking to get back in
the saddle…I appreciate all the help….<br>
<br>
Larry<br>
<br>
PS, Dennis you just want to see my caller LOL…<br>
<br>
<br>
</span></font><o:p></o:p></p>
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</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black;font-weight:
bold'>From:</span></font></b><font color=black><span style='color:black'> nsrca-discussion-bounces@lists.nsrca.org
[<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org" target="_blank"
title="mailto:nsrca-discussion-bounces@lists.nsrca.org"
ymailto="mailto:nsrca-discussion-bounces@lists.nsrca.org">
mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Dennis Bodary<br>
<b><span style='font-weight:bold'>Sent:</span></b> Saturday, August 08, 2009
10:31 PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">General
pattern discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-discussion] OS
140RX Need Help<br>
<br>
I am assuming this engine has sat for awhile. try injecting some straight
methanol into the pump inlet line just in case the oil in the pump is
congealed. denatured alchohol will work fine for this. <br>
Do not take the pump off the backplate thinking you can clean it out. Bad stuff
will happen as the backplate is part of the pump you may or may not even be
able to put it back together. <br>
Also try a OS F plug or the YS 4 stroke plug. never had any luck with the A5
plug that came with it. <br>
Another thought is check the needle valve against a OS61FX if the needle valve
looks the same you are okay. If the needle taper part is different try the 61FX
needle valve. It may already be in the engine as it comes with the engine as a
optional part. <br>
If all else fails try replacing the rear bearing. <br>
<br>
--- On <b><span style='font-weight:bold'>Sat, 8/8/09, Lisa n Larry <i><span
style='font-style:italic'><lld613@psci.net></span></i></span></b> wrote:</span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>From: Lisa n
Larry <lld613@psci.net></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>Subject:
[NSRCA-discussion] OS 140RX Need Help</span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>To: "'</span></font>
<st1:PersonName w:st="on"><font color=black><span style='color:black'>General
pattern discussion</span></font></st1:PersonName><font color=black><span
style='color:black'>'" <nsrca-discussion@lists.nsrca.org></span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>Date:
Saturday, August 8, 2009, 9:56 PM</span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'>I’m
trying to get a plane going to make the <st1:place w:st="on"><st1:City w:st="on">Quincy</st1:City>
, <st1:State w:st="on">OH</st1:State></st1:place> contest next weekend…</span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'>When running at idle or the engine isn’t
running, fuel leaks out of the carb. I can get it started, but loads up in
about ten seconds and bogs down and dies when increasing the throttle…</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'><br>
If I pinch the fuel line, it leans out and recovers. As long as I stay near
full throttle it’s fine…When at half throttle and lower it will bog
down….<br>
<br>
HS needle is at about 1-3/4 out leaned from about 2 turns out. I don’t
know the pump settings.<br>
<br>
This is a used engine already installed in a plane…<br>
<br>
Is it just a matter of the pump pressure being too high or do I have other
problems to deal with…???<br>
<br>
Larry Diamond<br>
NSRCA 3083<br>
<br>
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