<DIV>I forgot to add, the 120FZ replaced the NC in the same plane, and runs like a top. Same tank, check valve, etc.<BR><BR><B><I>Bob Kane <getterflash@yahoo.com></I></B> wrote:
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<DIV>That's why I said some people have good luck with them. I know yours runs well, and I believe Randy Wolf ran 120NC's also when he was competing. But I also know that mine, and apparently many other others had a problem running rich on the low end, and the usual fix of drilling out the air bleed hole did nothing to fix them. Side-mounted engines seem more suseptable to this problem than upright or inverted. Mine was side-mounted.</DIV>
<DIV><BR><BR><B><I>"Thomas C. Weedon" <weedon@wwnet.net></I></B> wrote:</DIV>
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<DIV><SPAN class=420383009-18052003><FONT face=Arial color=#0000ff size=2>Hey, Bob, I will have to agree with most of your conclusions except the 120NC. I have two 120NC's. They are not as powerful as the newer models, but they are easy to run and so far, very reliable. I have only done the minimum maintenance on then. Great for sport engines. I got rid of my SC's. They were the worst of all YS engines. I also agree that the YS120FZ will suprise most with it's power and ease of use. I have 2 of them and won't give them up. The 140FZ is great also.</FONT></SPAN></DIV>
<DIV><SPAN class=420383009-18052003><FONT face=Arial color=#0000ff size=2>Tom Weedon</FONT></SPAN></DIV>
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<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> discussion-request@nsrca.org [mailto:discussion-request@nsrca.org]<B>On Behalf Of </B>Bob Kane<BR><B>Sent:</B> Saturday, May 17, 2003 3:58 PM<BR><B>To:</B> discussion@nsrca.org<BR><B>Subject:</B> Re: re ys 1.20<BR><BR></FONT></DIV>
<DIV>Best to worst big YS four strokes IMHO, in terms of reliability and ease of use:</DIV>
<DIV> </DIV>
<DIV>YS120FZ YS140FZ</DIV>
<DIV>YS120AC</DIV>
<DIV>YS120FS</DIV>
<DIV>YS140L YS140DZ</DIV>
<DIV>YS120SC</DIV>
<DIV>YS120NC</DIV>
<DIV> </DIV>
<DIV>I own or have owned the 120NC, 120FZ and 140FZ motors, and have direct experience with the L and DZ series. Of the 120's, the FZ is the best version. My 120FZ is as strong as my 140FZ's. The 120NC I owned was junk, even two trips back to YS and several versions of throttle barrels did not make it right. Some people have good luck with them, I did not. </DIV>
<DIV> </DIV>
<DIV>The AC is good, but not as powerful and heavier. The SC is powerful, but has a tendency to eat itself without warning. The older FS motors are good, just not on par with the newer ones in terms of power.</DIV>
<DIV> </DIV>
<DIV>If you are shopping, pick up either a 120FZ or 140FZ. Lots of fliers are moving to the big two-strokes or YS140DZ's, so finding one should be relatively easy.<BR></DIV>
<DIV><BR><B><I>S & A North <sanorth@shaw.ca></I></B> wrote:</DIV>
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<DIV><FONT face=Arial size=2>HI any chance someone could list in order best to worst version of ys 1.20 to buy.i do not know the diff between a nc fs fz.can anyone enlighten me please?thanks.........shel</FONT></DIV></BLOCKQUOTE><BR><BR>Bob Kane<BR>getterflash@yahoo.com
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