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Kawasaki FH580V power loss

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rpowell
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2017/06/17 17:50:46 (permalink)
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Kawasaki FH580V power loss

I have a second hand husqvarna zero turn with the fh580v cs24 Kawasaki engine. It was not taken care of by previous owner. It bent a pushrod so I installed a new head because the valve guide loosened in the head. At the same time I decided to do some maintenance. New coils and plugs, cleaned carb. Replaced fuel pump. All fuel lines. No trash in tank. Coils, plugs and valves gapped per specs. Both plugs are firing and will run with either wire pulled.
When put under load will choke down. Deck is in good order. Any ideas appreciated. I'm ready to set on fire. Thanks.

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    Mikel1
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    Re: Kawasaki FH580V power loss 2017/06/17 22:05:29 (permalink)
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    Any idea of the compression on both cylinders? If you give it a little choke, does it help?
    rpowell
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    Re: Kawasaki FH580V power loss 2017/06/17 23:01:29 (permalink)
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    no. Chokes motor down when choke pulled. Haven't put a compression gauge to it but it will blow your thumb off. Engine runs and sounds good until it's put under load. I thought maybe not getting enough fuel but plugs don't look lean. The previous owner ran it really hot for that valve guide to loosen. Maybe burnt the piston ring up ?
    I'll definitely put a gauge to it. Thanks.
    rpowell
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    Re: Kawasaki FH580V power loss 2017/06/19 22:26:18 (permalink)
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    90 and 80. The low cylinder is the one with new head.
    Mikel1
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    Re: Kawasaki FH580V power loss 2017/06/20 18:56:37 (permalink)
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    Compression looks ok.
    Try removing air filter temporarily, non dusty area and see if there is any change.
    If nothing then tell us what model Husqvarna you have.
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