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From: Leon Fisk <lfiskgr@gmail.invalid>
Newsgroups: rec.crafts.metalworking
Subject: Re: Precision ?
Date: Sat, 21 Jun 2025 14:17:16 -0400
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On Sat, 21 Jun 2025 12:51:01 -0500
Snag <Snag_one@msn.com> wrote:

<snip>
>I thought it was fuel starvation , but that wasn't it . No power , 
>governor surge , and it dies under load . Choke on/off makes no 
>difference and I've done a spray solvent vacuum leak check . I've 
>thoroughly cleaned the fuel tank and replaced the carb and all fuel 
>lines . This is a Viper 196cc OHV engine , and I have put a lot of hours 
>on it in the last 9 or 10 years . Might just be worn out ...

Had a nearly new Weed-Whacker with similar symptoms. It would start and
kinda run. Hit the throttle and it would die out. Also die out if you
let it idle for several seconds...

Mud wasps had built a nest in the exhaust pipe/muffler almost
completely blocking it off. I didn't notice in your trouble shooting
anything about the exhaust...

-- 
Leon Fisk
Grand Rapids  MI