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  #11  
Old 05-11-2012, 10:13 PM
PMDowns PMDowns is offline
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Default Still having problems...

I took the carb back apart and cleaned everything. In the midst of doing that I lost the needle valve and the small wire pivot device that the float hinges on. Had to order both parts ($37.00 believe it or not). Also replaced the fuel line from the filter to the carb as well as replacing the filter. I did not have enough line to go back to the tank. Re-assembled everything and it still is doing the same thing. One thing I will mention again is that when all of this started I replaced the plugs with new Champions and the mower ran great for a few minutes and then started missing and backfiring again. Someone earlier in this thread suggested going with Autolite. Is this worth doing at this point or is everyone convinced that it is a fuel issue?
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  #12  
Old 05-12-2012, 08:37 AM
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ol'George ol'George is online now
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If it was me,
I would dribble gas in the carb while it is faulting and if the problem goes away, I'd know it is fuel starvation rather than ignition.
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  #13  
Old 05-12-2012, 09:10 AM
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Champion plugs flat out suck.
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2264 with 54 GT deck
1641 AKA Black Jack with a 402-E Haban Sickle bar mower
JD317 dump truck
BX2670 with FEL
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  #14  
Old 05-12-2012, 05:50 PM
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Sam Mac Sam Mac is offline
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PM

Just thought of one more possibility. Any chance mice built a nest in the blower housing over the winter? Mice seem to love blower housings and they like to eat wires. I worked on a 2165 that the little buggers ate through the plug wire. Engine ran on one cylinder and it made me crazy till I pulled the engine and found the damage. They also ate one of the wires to the brake switch. Did I mention that I hate mice.
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File Type: jpg engine 1.jpg (21.6 KB, 81 views)
File Type: jpg engine 2.jpg (18.9 KB, 81 views)
File Type: jpg engine 3.jpg (31.2 KB, 81 views)
File Type: jpg engine 4.jpg (32.3 KB, 81 views)
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2264 with 54 GT deck
1641 AKA Black Jack with a 402-E Haban Sickle bar mower
JD317 dump truck
BX2670 with FEL
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  #15  
Old 05-12-2012, 09:00 PM
Vince_o Vince_o is offline
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Did someone say mice?
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File Type: jpg INTAKE VALVE 002.jpg (25.0 KB, 79 views)
File Type: jpg INTAKE VALVE 003.jpg (26.5 KB, 79 views)
File Type: jpg INTAKE VALVE 004.jpg (19.2 KB, 79 views)
File Type: jpg INTAKE VALVE 007.jpg (20.5 KB, 79 views)
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  #16  
Old 05-14-2012, 07:50 PM
PMDowns PMDowns is offline
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Default plug replacement

Replaced the Champion plugs with Autolite and the problem persists. Will try the "dribbling fuel in the carb" trick next and see it that helps.
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  #17  
Old 05-24-2012, 06:20 PM
PMDowns PMDowns is offline
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Default Problem solved

After exhausting everything I could do I was forced to take my mower to the local repair shop. The problem was a bad magneto. It was only firing on one cylinder. Thanks to everyone for your help.
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