<div dir="ltr">My Stihl weed whacker had a bad coil. Hard to start about two times then it never started again until the coil was replaced. Thanks Craig. Good thing for me to look at on the Echo. </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Dec 11, 2021 at 9:41 AM <a href="mailto:craig.warner47346@frontier.com">craig.warner47346@frontier.com</a> <<a href="mailto:craig.warner47346@frontier.com">craig.warner47346@frontier.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>
I have a Stihl Kombi power head that had the same symptoms. Changed everything you mentioned and didn’t help a thing. Changed carb and that didn’t help. Ended up being a bad coil.<br><br><br><a href="https://overview.mail.yahoo.com/?.src=iOS" rel="noreferrer noopener" target="_blank">Sent from Frontier Yahoo Mail for iPhone</a><br><br><p style="font-size:15px;color:rgb(113,95,250);padding-top:15px;margin-top:0px">On Saturday, December 11, 2021, 11:37 AM, Brad Loomis <<a href="mailto:brad.loomis@gmail.com" target="_blank">brad.loomis@gmail.com</a>> wrote:</p><blockquote><div id="gmail-m_-8823332946809739337yiv6565134430"><div><div dir="ltr">I got a dozen bottles of the 'silver' oil with two Stihl purchases. But with the wide condemnation of using pump gas in small engines, I use my premix very sparingly and with a blend of the canned Stihl premix fuel. Yeah, a gallon can is $10? I don't even recall as my yard tools get less use as the yard becomes less and less with drought and synthetic grass. I don't let them sit idle with premix only in the tank, always sure to have some canned Stihl fuel in there. <div>I've had a few small engine repair shops say even a single drop of pump gas can cause problems. We have a 21" Husqvarna string trimmer with a Briggs (4 stroke) that if it sits for more than a month or so I won't start. Same refrain, pump gas. I don't know how much canned gas for small 4 strokes is but that can add up. Thankfully the rider is a 455 Deere diesel. </div><div>Along the lines of the blower only running for a few after having straight gas, I have an Echo hedge trimmer that is a pain to get going. I can pump the prime bulb, choke, and it will fire. run nice at idle, but pull the trigger and it bogs and dies. It will go through those gyrations a dozen times or more and I'll give up. If it sits a few days, the next attempt it may fire right up and run like a greased ape. New plug, air cleaner, fuel filter, all the usual suspects with no improvement. Does anyone have ideas? It has always had only premix or canned 2 stroke fuel. </div></div><br clear="none"><div><div id="gmail-m_-8823332946809739337yiv6565134430yqtfd80918"><div dir="ltr">On Sat, Dec 11, 2021 at 4:09 AM Stephen Offiler <<a shape="rect" href="mailto:soffiler@gmail.com" rel="noreferrer noopener" target="_blank">soffiler@gmail.com</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi Mike:<br clear="none"></div><div><br clear="none"></div><div>Sounds like a reasonable conclusion. Between getting work done with a new one, and farting around experimentally with the old one, you made the call that's right for you.</div><div><br clear="none"></div><div>Have you played around with piston rings much in the past? They are quite brittle to begin with. I'm not sure whether overheating would make them even more brittle, but, maybe. I think if they were seriously affected by heat, they might be discolored too.<br clear="none"></div><div><br clear="none"></div><div>Another good call with concern about other internals. Specifically, bearings. Mains, conrod, and piston pin are all lubricated by that tiny bit of oil that's carried in with the gas mix.</div><div><br clear="none"></div><div>Hey, while we're here, I'll put in a plug for synthetic 2-stroke oil. I am a Stihl guy (Stihl vs Husky is like JD vs Farmall or Ford vs Chevy!) and Stihl packages 2 different products. Little orange bottles are the regular, "perfectly OK" stuff, and for more money you get silver bottles with the synthetic oil. I use silver bottles. What I have noticed over time is that (a) the gas doesn't go stale (b) very little smoke or smell (c) I have never, and I am not exaggerating, NEVER purchased a spark plug. I've got a saw that's probably about 15 years old now, a weed whacker must be going on 20, and a hedge trimmer that I got at auction, who knows how old.<br clear="none"></div><div><br clear="none"></div><div>Best regards,</div><div>Steve O.<br clear="none"></div></div><br clear="none"><div><div dir="ltr">On Fri, Dec 10, 2021 at 1:50 PM Mike M <<a shape="rect" href="mailto:meulenms@gmx.com" rel="noreferrer noopener" target="_blank">meulenms@gmx.com</a>> wrote:<br clear="none"></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
I did tear it down further and removed the piston, When i tried to
remove the upper piston ring it snapped and was very brittle, I
assume from over heating. I bought a new blower, the exact same
model, and will keep the old one as a parts machine. One concern I
had with just replacing the jug and piston, is I don't know what
internals might be damaged.<br clear="none">
<br clear="none">
Regards,<br clear="none">
Mike M<br clear="none">
<br clear="none">
<div>On 12/9/2021 7:59 AM, Stephen Offiler
wrote:<br clear="none">
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">Hi Mike:
<div><br clear="none">
</div>
<div>I didn't get any picture with this note. Maybe it
got stripped due to excessive image size? There's a limit.
I think below around 350K (working from memory) is good to
go.</div>
<div><br clear="none">
</div>
<div>Steve O.</div>
</div>
<div>
<div dir="ltr"><br clear="none">
</div>
<div dir="ltr">On Wed, Dec 8, 2021 at 7:26
PM Mike M <<a shape="rect" href="mailto:meulenms@gmx.com" rel="noreferrer noopener" target="_blank">meulenms@gmx.com</a>>
wrote:<br clear="none">
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> Hi Steve,<br clear="none">
Here's a better picture of the scoring, this piston is
literally the diameter of a silver dollar. my reason for
the first pic was to figure out how to get the piston pin
out. I may have to send this in separate posts. <br clear="none">
<br clear="none">
Thanks,<br clear="none">
Mike M<br clear="none">
<br clear="none">
<div>On 12/8/2021 6:40 PM, Mike M wrote:<br clear="none">
</div>
<blockquote type="cite"> Hi Moe,<br clear="none">
Here's a shot of the piston and the retaining pin, not
really sure how to get the pin out since the retaining
clip appears to be a washer not a cir clip. I can order
a new cylinder, piston, pin, washers and and gaskets for
about $40, a lot cheaper than a new blower. Thanks for
any advice anyone can offer.<br clear="none">
<br clear="none">
Regards, Mike M<br clear="none">
<br clear="none">
<br clear="none">
<div>On 12/2/2021 6:39 PM, Moe Fretz wrote:<br clear="none">
</div>
<blockquote type="cite">
<div dir="ltr">
<div style="font-family:verdana,sans-serif;font-size:large;color:rgb(166,77,121)">So
what's the cylinder inside look like?</div>
<div style="font-family:verdana,sans-serif;font-size:large;color:rgb(166,77,121)">Can
you save it?</div>
<div style="font-family:verdana,sans-serif;font-size:large;color:rgb(166,77,121)">Husqvarna trimmer
is well worth the repair costs.</div>
</div>
<br clear="none">
<div>
<div dir="ltr">On Thu, Dec 2,
2021 at 3:11 PM Mike M <<a shape="rect" href="mailto:meulenms@gmx.com" rel="noreferrer noopener" target="_blank">meulenms@gmx.com</a>>
wrote:<br clear="none">
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> So I pulled apart my leaf blower today, and
looked at the exhaust port, as was suggested.
Heavy scoring on the piston. So you were right,
she ran it with straight fuel.<br clear="none">
Mike M<br clear="none">
<br clear="none">
<div>On 11/27/2021 7:20 PM, Moe Fretz wrote:<br clear="none">
</div>
<blockquote type="cite">
<div>
<div>No, engine has experienced a
lean seizure. </div>
<div>Lack of lube is another way
to put it. </div>
<div>No quick fix. </div>
<div>The engine will need a
piston and rings at the least. </div>
<div><br clear="none">
</div>
<div>Pull off the muffler, look
in at the piston, you’ll see the piston
scored on the exhaust side. </div>
<div>If you’re lucky the cylinder
isn’t damaged, you’ll have to </div>
<div>pull the cylinder to check
it. </div>
<div><br clear="none">
</div>
<div>Used to do 15 or 20 of those
every year. </div>
<div>One quick error, sometimes,
can cost a lot of money. </div>
</div>
<div><br clear="none">
<div>
<div dir="ltr">On Sat,
Nov 27, 2021 at 15:33 Mike M <<a shape="rect" href="mailto:meulenms@gmx.com" rel="noreferrer noopener" target="_blank">meulenms@gmx.com</a>>
wrote:<br clear="none">
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">So my
lovely wife was out blowing leaves the
other day with my backpack<br clear="none">
blower, and it ran out of fuel. She
mistakenly filled it with straight<br clear="none">
lawnmower gas, and after a bit it
started to stumble and then quit. She<br clear="none">
came in to tell me about it and ask what
the problem was. When I looked<br clear="none">
at the tank I noticed there was no blue
tint in the gas, and I asked her<br clear="none">
what can she filled it from, and she
pointed to the gas container I use<br clear="none">
for my zero turn. I told her that was
straight gas, and she needed to<br clear="none">
use the 2 cycle mix, that is in another
red 5 gallon can, honest<br clear="none">
mistake. She claims I told her to use
that fuel, when I know I did not. <br clear="none">
I used it today and it will run for
about 5 minutes and then sputter out<br clear="none">
and die, like it's running out of gas.
It will restart, but then the<br clear="none">
same scenario starts all over again. Is
their any chance of saving this<br clear="none">
engine? Maybe a higher oil/gas ratio?
Thanks in advance.<br clear="none">
<br clear="none">
Regards,<br clear="none">
Mike M<br clear="none">
<br clear="none">
--<br clear="none">
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<div dir="ltr">Moe Fretz <br clear="none">
<br clear="none">
L’Orignal ON,<br clear="none">
Canada </div>
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