Question about kawasaki Fh641v 21hp 21 Hp Riding Lawn Mower Engine ()

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Yaz/Kees zekw52210 w/ 300 hr kaw fh641v.At 1/2 throttle,Eng runs well nr 1 cyl but nr 2 runs intermittent. At full rpm,same intmit Opn. New plugs same complaint.

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Did you check the wires to the coil, and also, how much gas is coming through?
Also, did you check the compression to make sure it has enough compression on the cylinder? check for a bent valve?

Wish you luck on this diagnosis and repair.

Posted on Jul 31, 2010

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Posted on Jan 02, 2017

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