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  #1  
Old 10-22-2012, 07:21 PM
Southern Delight Southern Delight is offline
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Join Date: Oct 2012
Location: Atlantic Beach, NC
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2006 John Deere Z-757

Okay, So Back in 2006 I bought 5 JD 757's. I put 4 in service and kept one at my house. The 4 put in service are long gone, very good machines and money well spent. The one I keep at my house has pretty much been my baby, now just hit 400 hours. I havent done anything to it but put belts on it and changed the oil. It has a Kawasaki 25 hp and a 60 inch deck.

Well it ran flawlessly until today when I had the bright idea to run sea foam through it, as I have never cleaned the carb. Well after injecting the sea foam with the engine running, into the carb, I waited until it bogged down and shut it off. I waited like 15 minutes to let it soak and tried to restart. Sounds like it jumped timing. It will run very ragged for about 5 seconds and then shut off. I think I screwed something up but turning it off and letting it soak. I pulled the valvecovers and everything seems fine, no bent push rods and everything is nice and tight. I find it improbable that something like the fuel pump or coils failed at this precise moment, but im not ruling anything out.

Has anyone else come across this issue?
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  #2  
Old 10-22-2012, 08:03 PM
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LawnCareNoobie LawnCareNoobie is offline
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No, what made you do that? lol

I had a 757 for a while and I loved the machine. I traded it in for a 925. I wish they still made the horizontal engine setup.
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  #3  
Old 10-22-2012, 08:42 PM
Southern Delight Southern Delight is offline
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Best mower I have ever owned next to my Hustler Z's. Im going to go ahead and disassemble everyhtin g tomorrow and see what I screwed up. I plan on keeping this oldie for a few more years.
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  #4  
Old 10-22-2012, 08:43 PM
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Restrorob Restrorob is offline
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Quote:
Originally Posted by LawnCareNoobie View Post
No, what made you do that?

Good question....


Hmmm...... My guess is this crap cleaned all the carbon off the heads and pistons and stick it to the valves and seats (holding valves from seating), Head and valve removal may be in your near future.

The only thing sea foam is good for is, Taking up space on store shelves......
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  #5  
Old 10-22-2012, 09:00 PM
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piston slapper piston slapper is offline
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Are your sparkplug fouled ? The stuff doesn't burn too well...
I'm guessing you just poured it straight down the carb..
Might have gotten a bunch in the carb bowl through the vent making the fuel unburnable....
Just a guess....
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  #6  
Old 10-23-2012, 05:31 PM
Southern Delight Southern Delight is offline
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Location: Atlantic Beach, NC
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I guess thats possible, but as much fuel as I have cycled its fairly improbable. I called retreat and called my Deere Dealer. They came and picked it up today, told them to make it new again. Problem solved. Thanks for the help though guys!
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  #7  
Old 10-23-2012, 05:57 PM
joe billy joe billy is offline
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Quote:
Originally Posted by Southern Delight View Post
I guess thats possible, but as much fuel as I have cycled its fairly improbable. I called retreat and called my Deere Dealer. They came and picked it up today, told them to make it new again. Problem solved. Thanks for the help though guys!
Cmon now, you over rationaized the problem and didn't even check the sparkplug condition.
You wimped out, the only advice I can give now that JD has your mower is,
WATCH YOUR WALLET.
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  #8  
Old 01-18-2013, 05:07 PM
teckjohn teckjohn is online now
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Dont bash john deere

looks like they are a paying customer
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  #9  
Old 01-18-2013, 05:26 PM
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piston slapper piston slapper is offline
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looks like they are a paying customer
If that's all you have to offer...go back under the shadetree and ..
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