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Why is my weedwacker smoking?

The model # is 316.791940. It's a 4-cycle Craftsman gas trimmer. I had just placed a new spark plug, fresh fuel & oil in after taking it out of winter storage. I was not able to put the exact amount of oil in as I misplaced the original oil container (I measured out 3 oz. from a 20 oz. bottle). At first, I couldn't get it to start & when I did, it started to emit bluish smoke from the back. The only time it stopped smoking was when I shut it off. I did notice that the spark plug was crooked; even after I straightened it, the machine was still smoking.

Craftsman , Trimmers & Edgers , Kenmore PRO Appliances
2 Answers from these members:
Michael Davis
by Michael Davis Earned 192 community points in Craftsman
May 8th, 2010
Answered in 2 hours
0 votes
by LYLE W. Earned 6,711 community points in Craftsman
May 11th, 2010
0 votes
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