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My Husqvarna 440e has a flat spot in the acceleration and it's not ideling properly. It starts well and runs good for about 1 minute before the flat spot begins. The chainsaw mechanic has attempted to fix it, and have made it better than it was, but it's still not 100%.

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This is a carb settings issue, there is a special tool required to adjust the mixture screws, in the US there are strict guide lines on emmisions so the mechanic may not be willing to richen the mixture too much.

Posted on May 30, 2011

  • bryan st Jun 07, 2011

    This is most likely the tool you need, Poulan splined carb tool: http://www.amazon.com/Genuine-Poulan-Wee...

    Sometimes the adjusting screws have plastic limiter caps over them and it is not always possible to get the carb adjusted right with those caps on, so the caps can be pulled straight off with needle nose pliers or similar, and you can use the carb tool then and adjust it yourself.

  • bryan st Jun 07, 2011

    But removing the limiter caps will void manufactures warrenty, so do at your own risk.

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