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    Toro 721 QZR Vibration?

    Originally Posted By: Quest single engine (4cyl) OPE engines typically run on lower RPM, and relatively non-balanced, so vibration is normal. 2-cyl engines typically run on higher RPM and thus vibration maybe lessened somewhat (still has vibrations, but different kind). Q. Thanks Q. I didnt...
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    Toro 721 QZR Vibration?

    Also, perhaps the engine will smooth out after running a few times? It has not seen snow yet...
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    Toro 721 QZR Vibration?

    Hello - I'm new to this forum, and I need some help. I picked up a Toro 721QZR snowblower from Home Depot. I used to own a 2cycle R-Tek years ago, but this is a new 4 cycle Loncin engine. I find there is a decent amount of vibration in the handle and the engine is not as smooth as I thought it...
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