Manage My Life

Why is my weedwacker smoking?

by Manage My Life Last activity date:
May 8th, 2010

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
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Answers (2)
Michael Davis
Pleas recheck your owners manual. $ cycle engines do not usually have oil mixed with the gas which is customary in 2 cycle engines. No damage, but may have caused an extra amount of carbon and the engine is under powered. Good Luck.
Answered in 2 hours
by Michael Davis
May 8th, 2010
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