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Author: ptheland Big gold star, 5000 posts Feste Award Nominee! Old School Fool Add to my Favorite Fools Ignore this person (you won't see their posts anymore) Number: of 128716  
Subject: Re: Help. My lawnmower is rebelling. Date: 5/21/2002 7:29 PM
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My guess (and its more of a guess than anything else) is that you've got some carburetor problems. The black smoke is a too rich mixture (too much fuel), but that's not too unusual at start-up. The primer just squirts a bunch of fuel into the engine which needs to be burned off to get to the right mixture. The black smoke should stop within a few seconds.

Your second start-up sounds more like fuel starvation. The priming got some fuel into the engine, but as it burned off, there was no more fuel coming in so the engine just peters out and dies.

Some ideas that may or may not help:

Make sure all the linkages at the carb are moving freely. You can find the carb by following the throttle cable.

Make sure the air filter is clean. It is likely in a flat can attached to the carb. Open it up, clean the filter as best you can (or get a replacement) and put everything back.

Hope something here is useful.

--Peter

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