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#Post#: 71885--------------------------------------------------
Another 4 stroke trimmer.
DIR By: 3000 FPS
Date: May 14, 2016, 7:39 pm
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So I have another Troy built 4 stroke trimmer and yes it is
another freeby.
The carb on this is Walbro WYL 187.
So instead of rebuilding the carb I decided to try one of those
Chinese knock offs. a Ruixing.
The carb was very cheap as in not much money. I put it on and
the trimmer starts up real good and idles good and run at half
throttle real good.
Go to full throttle and it dies. I try adjusting it but no
good.
So I take the carb apart and find the main jet and I have these
very small drills that I used for watch making. I drill the
main jet out and put it all
back together. Bingo got wide open throttle now. Trimmer
idles good and accelerates good. Just passing along some
info.
#Post#: 71887--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: 660magnum
Date: May 14, 2016, 8:08 pm
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GTK
#Post#: 71902--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: dannyupsolate
Date: May 15, 2016, 12:02 pm
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good to hear someone is smart enough to get one to run. please
come to alabama and fix my six ;D
#Post#: 71904--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: Chainsawrepair
Date: May 15, 2016, 12:41 pm
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Nice fix Roger.
Still only 4 stroke trimmer I had come in was a guy running 2
stroke mix in it. He gave it to me free. Changed plug, flushed
it good and gave his trimmer back.
Told him what he was doing to make it not run.
#Post#: 72129--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: dannyupsolate
Date: May 31, 2016, 5:19 pm
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anyone rebuilt the wyl carburetor did it turn out ok.
#Post#: 72133--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: 3000 FPS
Date: June 1, 2016, 4:39 am
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--- Quote from: dannyupsolate link ---
>
> anyone rebuilt the wyl carburetor did it turn out ok.
>
--- End Quote ---
I have rebuilt a few of the WYL series Walbro carbs with no
problems. The diaphragms get stiff in them just like any other
carb.
#Post#: 72148--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: dannyupsolate
Date: June 1, 2016, 4:23 pm
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was wrong thought wyl and wyla used same kit. k1wyla is kit for
wyla. cheapest i found is 10 bucks shipped for 1 maybe they will
combine shipping for 6. good to hear they rebuild ok.
#Post#: 72152--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: 3000 FPS
Date: June 2, 2016, 1:13 am
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When rebuilding those carbs just be careful with the main jet
where the plastic needle comes down into it. That little
brass jet has a tiny o-ring on it that is used to seal it from
leaking fuel. Some kits come with that o-ring so that you can
replace it. Just make sure the jet is seated all the way down
if you take it out and replace that o-ring and make sure the
hole in it is clean.
#Post#: 72156--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: dannyupsolate
Date: June 2, 2016, 5:35 pm
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ordered 6 k1wyla walbro kits from mowers4u on ebay 28 bucks
shipping and all. These are not available aftermarket. fits some
4 cycle trimmers and mini tillers mtd/ryobi family.
#Post#: 72171--------------------------------------------------
Re: Another 4 stroke trimmer.
DIR By: Chris-PA
Date: June 3, 2016, 8:10 pm
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How are these Troy Bilt 4-strokes? They are rather appealing to
me and I might go that way if I get another trimmer.
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