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Discussion Starter · #1 ·
I have a 23hp Kawasaki with 575hrs that will start and run 30-60 seconds then cut off as if out of fuel(sometimes).Other times it runs all day without a problem.Could this be a fuel pump going bad?I've checked for water in the fuel and replaced the filter.By the way,the bracket that holds the fuel pump to the engine broke off at the screws and had to be welded back together.Could the pump have been affected when it fell over?The vacuum hose is secure.Any help would be great as I'm pulling what little hair I have left out with this problem.Thanks, Richard
 

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Check fuel cap vents. They may be getting plugged and this is exactly what the symptom would be.
 

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Discussion Starter · #4 ·
1grnlwn:The engine will die completely.This has been going on for about 2 weeks and has gotten worse in the last couple of days.I've never had a fuel pump go bad so I don't know if it is a gradual death or all at once.

TLS:I'll check the fuel cap vents.I hadn't considered that.As usual I'm expecting the worst and overlooking the simple things.
Thanks for the help,Richard
 

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My 20HP Kaw. DID the same thing. I figured it out though. After a bath, water would get into the plug caps, and slowly build up mineral deposits (rust and other corrosion) until it finally decided to run on one cylinder. I looked at it, took a dril bit small enough to fit all the way down into the plug cap, and then wrapped steel wool around it. Ran the drill for a minute or so, then put some WD-40 in there, let it sit for a minute, and then reconnected the spark plug cap. Worked peachy after that:D
 
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