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String trimmer won't stay running

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Mike Copeland

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Sep 3, 2008, 11:09:30 PM9/3/08
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Ryobi will start and then die. It has fresh gas. I was thinking there
might be an air leak but don't know where to start looking.

Mike

Dave

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Sep 4, 2008, 12:04:07 AM9/4/08
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"Mike Copeland" <mcope...@pobox.comcom> wrote in message
news:FhIvk.21599$kh2....@bignews3.bellsouth.net...

> Ryobi will start and then die. It has fresh gas. I was thinking there
> might be an air leak but don't know where to start looking.
>
> Mike

Did you mix the two-cycle oil into the gas?

Actually, the behavior you describe is common. It takes a while for the
trimmer motor to warm up to the point where it will run OK without stalling.
Only thing you can do is keep starting it until it is warm enough not to
stall. Yes, that means string trimmers are a real pain in the ASS.

Don't know if it will help your Ryobi, but on our Craftsman, I have to
squeeze the throttle control SLIGHTLY after starting (immediately, as soon
as it fires once) or it will die, every time. But then, if I squeeze the
lever too hard, I'll kill it. So I have to just hold the lever with gentle
pressure for a minute or so to keep it running. Then I can "floor it", so
to speak, and it's fine.

My best guess, either you forgot to mix in the two-cycle oil (in which case
you'll likely need to have the trimmer serviced by a professional who can
flush the fuel system clean), or there is nothing at all wrong. Again, gas
trimmers are a pain in the ASS. That's the nature of the beast. -Dave


Gary Heston

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Sep 4, 2008, 12:18:54 AM9/4/08
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In article <FhIvk.21599$kh2....@bignews3.bellsouth.net>,

Mike Copeland <mcopeland...@ANDTHISpobox.com> wrote:
>Ryobi will start and then die. It has fresh gas. I was thinking there
>might be an air leak but don't know where to start looking.

Changed the plug or filter lately?

Make sure the connection to the plug is clean as well.


Gary
Troy-Bilt 4-stroke; runs great

--
Gary Heston ghe...@hiwaay.net http://www.thebreastcancersite.com/

Why is it that these days, the words "What idiot" are so frequently
followed by the words "at Microsoft"?

Vic Smith

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Sep 4, 2008, 12:39:13 AM9/4/08
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Learn to choke it properly.
On my Craftsman, when first starting, I have it fully choked, gas
lever pressed for about 1/4 of full revs, then as soon as it starts
have to quickly open the choke fully.

--Vic

Dave

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Sep 4, 2008, 1:21:18 AM9/4/08
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> >
> Learn to choke it properly.
> On my Craftsman, when first starting, I have it fully choked, gas
> lever pressed for about 1/4 of full revs, then as soon as it starts
> have to quickly open the choke fully.
>
> --Vic

Sounds like yours is like mine, only mine has an auto-choke which choked
years ago. :) -Dave


hchi...@hotmail.com

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Sep 4, 2008, 12:00:04 PM9/4/08
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On Wed, 03 Sep 2008 23:18:54 -0500, ghe...@hiwaay.net (Gary Heston)
wrote:

>In article <FhIvk.21599$kh2....@bignews3.bellsouth.net>,
>Mike Copeland <mcopeland...@ANDTHISpobox.com> wrote:
>>Ryobi will start and then die. It has fresh gas. I was thinking there
>>might be an air leak but don't know where to start looking.
>
>Changed the plug or filter lately?
>
>Make sure the connection to the plug is clean as well.
>
>
>Gary
>Troy-Bilt 4-stroke; runs great

I gotta agree that the small engine two-strokes are a pain. If that
trimmer is an older one, the plastic in it may have been damaged by
the ethanol in gas, as well as clogging up.

I've taken to putting a bit of Lucas injector cleaner into every
container of gas destined for yard tools. Seems like I've I'd had
fewer gas-rlated problems since then.

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