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Author Topic: Husqvarna Weed Whacker Dead  (Read 1064 times)

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Offline DR_Buck

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Husqvarna Weed Whacker Dead
« on: June 23, 2020, 01:31:58 PM »


I have a Husqvarna 326RJX weed whacker that has me at wits  end.     It has spark, gets gas into the cylinder and has good compression, yet  will not fire over.    The gas is good and I replaced the carburetor, filter, primer bulb and the hoses.       It just spins when pulling the starter rope and does not even attempt to start.   I even tried startin g fluid with no effect either. 

I'm not ready to spend $400+ on a new one.   Any ideas?
Been there, done that.   Never got caught [/b]
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Offline btulloh

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Re: Husqvarna Weed Whacker Dead
« Reply #1 on: June 23, 2020, 01:38:07 PM »
Sounds frustrating. Bound to be a solution though. 

Spark, fuel, and compression. All the requirements except for air. Have you checked out the air filter, etc.?
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Offline sawguy21

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Re: Husqvarna Weed Whacker Dead
« Reply #2 on: June 23, 2020, 02:06:40 PM »
Leave the starting fluid alone, that is a quick way to destroy a 2 stroke engine as it dries out  the gaskets and seals. What is 'good compression'? It needs at least 110 psi to run. Did it stop suddenly or just refuse to start? Did you replace the spark plug?
old age and treachery will always overcome youth and enthusiasm

Offline DR_Buck

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Re: Husqvarna Weed Whacker Dead
« Reply #3 on: June 23, 2020, 02:29:07 PM »
Hasn't run since last year.   If I remember it wouldn't start when I went to use it.       Spark plug, air cleaner, fuel lines, fuel filter, priming bulb and carburetor are all new.     Gas is good.  Husky chainsaws fire right up using same gas.     Tester on plug line shows good spark.    Compression after 4 to pulls is 120.
Been there, done that.   Never got caught [/b]
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Offline Nebraska

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Re: Husqvarna Weed Whacker Dead
« Reply #4 on: June 23, 2020, 05:21:17 PM »
Have you tried magic beads?  It sounds like standard engine medical practices are failing at the moment.

Offline Hilltop366

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Re: Husqvarna Weed Whacker Dead
« Reply #5 on: June 23, 2020, 05:27:01 PM »
That leaves timing and crankcase vacuum leak.

X2 in the starting fluid, there is no oil in there. I will prime with mixed gas.

Offline Corley5

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Re: Husqvarna Weed Whacker Dead
« Reply #6 on: June 23, 2020, 05:59:04 PM »
Tester on the plug line?  What about spark at the plug's electrode?  Sounds like a new spark plug is needed...
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Offline DR_Buck

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Re: Husqvarna Weed Whacker Dead
« Reply #7 on: June 23, 2020, 06:09:56 PM »
  Spark plug, air cleaner, fuel lines, fuel filter, priming bulb and carburetor are all new.     
Tester on the plug line?  What about spark at the plug's electrode?  Sounds like a new spark plug is needed...


Been there, done that.   Never got caught [/b]
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Offline Hilltop366

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Re: Husqvarna Weed Whacker Dead
« Reply #8 on: June 23, 2020, 06:18:01 PM »
I get what Corley5 is saying, new plug does not always mean a good spark plug.   

Offline JJ

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Re: Husqvarna Weed Whacker Dead
« Reply #9 on: June 23, 2020, 06:22:26 PM »
Plugged spark arester on exhaust?

Offline DR_Buck

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Re: Husqvarna Weed Whacker Dead
« Reply #10 on: June 23, 2020, 06:42:49 PM »
That leaves timing and crankcase vacuum leak.

X2 in the starting fluid, there is no oil in there. I will prime with mixed gas.
If there was a vacuum leak, I wouldn't expect it to hold compression.     I need to look at timing.  I thought it was fixed.   I wasn't aware of adjustment.
Been there, done that.   Never got caught [/b]
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Offline Corley5

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Re: Husqvarna Weed Whacker Dead
« Reply #11 on: June 23, 2020, 06:44:12 PM »
Yup.  New doesn't mean it's any good.  No need to yell ::)
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Offline Corley5

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Re: Husqvarna Weed Whacker Dead
« Reply #12 on: June 23, 2020, 06:49:55 PM »
Have you checked for spark at the plug's electrode?
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Offline Hilltop366

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Re: Husqvarna Weed Whacker Dead
« Reply #13 on: June 23, 2020, 07:02:36 PM »
That leaves timing and crankcase vacuum leak.

X2 in the starting fluid, there is no oil in there. I will prime with mixed gas.
If there was a vacuum leak, I wouldn't expect it to hold compression.     I need to look at timing.  I thought it was fixed.   I wasn't aware of adjustment.
Vacuum leak would be at the crank seals or cylinder base, can still have compression.

Timing is not usually adjustable but sometimes can be off, caused by flywheel spinning on the crank shaft bit or faulty electronics.

Offline TroyC

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Re: Husqvarna Weed Whacker Dead
« Reply #14 on: June 23, 2020, 08:41:41 PM »
Hilltop is right about the timing. I've seen several chainsaws and weedeaters that the flywheel has spun on the crankshaft. On a weedeater I just repaired, the keyway is actually molded into the flywheel. Since it is aluminum it sheared and spun easily. I ground out a keyway slot in the flywheel, made a key and put dab of JB in and tightened it up good.

Like yours, mine would spark but not fire, even with starting fluid. Check the keyway!

Also check spark plug for proper spark. Sometimes coils get weak.

Offline 69bronco

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Re: Husqvarna Weed Whacker Dead
« Reply #15 on: June 24, 2020, 07:46:58 AM »
Check the exhaust port for mud daubers.

Offline farmfromkansas

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Re: Husqvarna Weed Whacker Dead
« Reply #16 on: June 24, 2020, 10:14:05 AM »
Used to hang out at the local garage when I was young.  They had a B&S engine one time that would not run, no matter what.  They finally tried putting a new flywheel on it, and it started right up.  The magnet somehow had lost it's power and would not create enough spark to start the engine.

Offline Gere Flewelling

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Re: Husqvarna Weed Whacker Dead
« Reply #17 on: June 24, 2020, 09:47:53 PM »
My vote is with JJ.  I think the exhaust port or muffler is plugged.  Been there and been fooled by that before.
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Offline moosehunter

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Re: Husqvarna Weed Whacker Dead
« Reply #18 on: July 09, 2020, 06:07:06 AM »
I'll be with the plugged exhaust gang. Either mud daubers or the spark arrestor plugged with carbon. Take the muffler apart and check it.
mh
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Offline Dakota

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Re: Husqvarna Weed Whacker Dead
« Reply #19 on: July 09, 2020, 07:48:18 AM »
faulty on-off switch?
Dave Rinker


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