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My head immediately starts to rotate on my em4251 makita power trimmer. I can not seem to be able to adjust the idle to slow it down

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If the start cord is on the shaft side of the motor , there is no centrifugal clutch to break the rotation of the head so the idle speed is not the problem
it is a design problem and you can move on to a better unit that does have a clutch

Posted on Dec 21, 2016

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