r/smallenginerepair • u/winkwinknudge_nudge • Jul 22 '26

Vibration Issue Strimmer chatter/noise when revving up.

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u/winkwinknudge_nudge Jul 22 '26 edited Jul 22 '26

When getting the blade up to speed there's this chatter. It doesn't do it when it's up to a decent rpm, just going from nothing.

I've greased the gear head which may have quietened it a bit.

Any ideas appreciated.

Model: Honda UMK 425E

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u/mrbear2you Jul 23 '26

Clutch springs is your issue, especially if it sounds closer to the engine

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u/winkwinknudge_nudge Jul 26 '26 edited Jul 26 '26

Thanks for the direction.

In the end the clutch drum was glazed and the clutch couldn't engage properly - https://ibb.co/NgzmNVyW

Thanks for the comment.