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#1
09-05-2010, 10:38 AM
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1250 Engine quits after a few minutes or running
Hey guys,
I finally got my 1250 back together and running. The first time mowing I mowed for about 30 or 40 minutes without a problem, then I felt a miss in the engine then a minute later the engine died. I let it cool down and was able to start it up again with no problem and had to put it up due to rain. I figured the new coil I had bought at NAPA wasn't working well, so I bought a new correct CC coil from the local dealer. Installed that and set out to finish mowing yesterday. After about 10 to 15 minutes the mower died again with the new coil. The mower would start up, but would barely run unless just at idle, if fuel was added it would instantly miss and try to cutout and die. I pulled the mower back into the shop, pulled the coil off of my 128 which runs great, installed it on the 1250 and started it up and just let it run. It ran fine at all speeds for about 10 minutes or so, then just like you turned the switch off it died. Would instantly start right back up, but would not run well above idle. The plug is new, the carb was rebuilt and adjusted. The only thing I noticed is the plug wire says Nissan on it. When I checked resistance on the plug wire it had around 6.8 ohms. The wire on the 128 had 0 ohms. The points were also replaced when I had the 1250 apart and timed per Matt's static timing procedure. When it fires up it does so without any problem. I am sure there is probably a simple answer, but I am not seeing it. Any ideas of what else I should look at or check. Oh the ignition switch and solenoid are also CC OEM new.
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DWayne 1973: 128, ag tires, 3pt. lift, spring assist, lights, 42" Deck 10" moldboard plow 2016 XT1 42" deck 18HP 
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