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AR15.COM
6/27/2016 12:07:54 PM EDT
My Husqvarna 123L trimmer wouldn't start.  My son and I got a carb kit, swapped parts, and fired it up.  It ran fine for the test, but needed an air filter.  I set it down until the filter came in.  

Yesterday I tried to fire it up with the new filter and it was hydraulically locked.  I couldn't hardly pull the start cable.  I took the plug out and liquid spewed out the hole every time I pulled the cable.  I thought maybe one of the kids was playing with the primer bulb and just put the whole tank into the cylinder.  So I have taken the spark arrestor off, plug out, dried the whole thing out, and now it won't start AT ALL.  I checked that the plug is still getting spark, not sure where to go from here.

Anyone had a similar issue or have an idea on how to get this to turn over?
6/27/2016 12:41:04 PM EDT
[#1]
What kind of liquid came out of the spark plug hole? If it was gas, then hold the engine in different positions while pulling the starter cord. There may still be a lot of gas in the crank case. Remember to ground the spark plug wire so a spark won't ignite any spilled gas.
Change the spark plug also.

Once you are sure the engine is "dry", install new spark plug and spritz a tiny bit of starting fluid into the carb and see if it will pop off.

If it does, fill tank with fuel and have at it.
6/27/2016 12:43:57 PM EDT
[#2]
Quote History
Quoted:
What kind of liquid came out of the spark plug hole? If it was gas, then hold the engine in different positions while pulling the starter cord. There may still be a lot of gas in the crank case. Remember to ground the spark plug wire so a spark won't ignite any spilled gas.
Change the spark plug also.

Once you are sure the engine is "dry", install new spark plug and spritz a tiny bit of starting fluid into the carb and see if it will pop off.

If it does, fill tank with fuel and have at it.
View Quote



Carburetor cleaner works great in small engines as starting fluid without the danger of blowing the thing up.
6/27/2016 3:04:45 PM EDT
[#3]
Lift up the fuel cap.



Put a new trimmer under it.




Put the fuel cap back on.




You'll be GTG.






6/27/2016 4:05:06 PM EDT
[#4]
I had the spark arrestor and spark plug off and dried it all with air.  I found this video on the net and tried it:

https://www.youtube.com/watch?v=5n8fR72duZ8

I didn't get anything to fire, so I checked the plug again.  For some reason I wasn't getting spark on either plug (the old or the new).  I just ordered the assembly to replace the wire.  It's $50, so this is the last attempt before I give up and buy a new one.  Checked out the Stihl FS110 and FS94R today.  Also thinking about the multitool KM110R with the FS-KM trimmer head and HT-KM pole pruner...
6/27/2016 4:40:25 PM EDT
[#5]
Dealing with the same problem. Don't worry bro I got you. Step by step action plan coming up right now.

1 search the Internet for the nearest husqy stocking dealer.
2Drive past it to the nearest Honda dealer
3Find the dumpster-usually around back
4chuck that fucker in there
5Buy a Honda 4stroke

Seriously I think  husquavarna is good stuff but  if a carb kit fuel filter and new plug don't solve the problem it's not worth the trouble shooting time or parts money might as well buy a new one. I've been using the other orange company since the first one (fs55 iirc) my dad bought way back when I was about 11.

The epa has this shit so regulated now that the carbs have been going bad once about once a year. Your weed wack lean out and die on the top end? Well fuck you for wanting to give it a bit more fuel. Epa says no more adjusting

YMMV, but Carb rebuild kit and they run great. For about another year. When it's time for a new one Ima get a Honda four stroke myself and see what they've managed to engineer In a small engine
6/27/2016 4:58:51 PM EDT
[#6]
Quote History
Quoted:
I had the spark arrestor and spark plug off and dried it all with air.  I found this video on the net and tried it:

https://www.youtube.com/watch?v=5n8fR72duZ8

I didn't get anything to fire, so I checked the plug again.  For some reason I wasn't getting spark on either plug (the old or the new).  I just ordered the assembly to replace the wire.  It's $50, so this is the last attempt before I give up and buy a new one.  Checked out the Stihl FS110 and FS94R today.  Also thinking about the multitool KM110R with the FS-KM trimmer head and HT-KM pole pruner...
View Quote


Google for instructions on setting up idle and start from scratch with that.
I had a Chainsaw that wouldn't start for shit til I did that and learned how to tune the idle.  Started fine after that.
Around here the Stihl shops have the best mechanics for fixing any and all weed whackers.
It's required to get a dealership.
6/27/2016 6:27:55 PM EDT
[#7]
My string trimmer died in action and nothing I did could bring it back to life.  That included disassembling everything, replacing the spark plug, etc.  Finally I changed the ignition module and it started right up.
6/27/2016 6:30:36 PM EDT
[#8]
This happened to me last year I ended up shearing the key way when the cylinder filled with gas
6/27/2016 6:49:06 PM EDT
[#9]
Stihl. Only thing I'l buy that's husky is their pro chainsaws.


You have a carb issue or a bad reed.   Pull it apart and check it out.
6/27/2016 7:10:52 PM EDT
[#10]
Disconnect the "kill" switch and try to start.. I have had them go bad.
6/27/2016 8:31:31 PM EDT
[#11]
Quote History
Quoted:
Disconnect the "kill" switch and try to start.. I have had them go bad.
View Quote



I have the new wiring module ordered.  If that doesn't work, I'll check the switch.  Thanks for the ideas.