Posted by Casstuba on August 20, 2007 at 12:37:33 from (71.204.196.19):
Here is the story -
I was running my 444 with the finish mower last week, it started fine, I had it idling to warm up while I greased the mower and tractor. Took it out, powered up, and ran the mower for about 1/2 hour. During that time, at high RPM, it wasn't running as smooth as I think it should (or as it had last time I mowed). Maybe not quite a miss, but something was not right.
I stopped to move the garden hose, and throttled down, when she stalled. Couldn't start right away, so i waited 15 minutess, and she started. I finnished what I was doing, then it stalled again when I powered down. 20 more minutes and she fired, I moved it within reach of my air compressor to clean the mower deck off and shut it off. Fired right up from there, moved it a short distance from there and it stalled. I have not been able to fire it up since then.
Six weeks ago, I put on a new coil, and that solved my problem of it choking and stalling when hot. New plugs and wires helped it fire up with no choke at the same time as the coil. since the new problem, I cleaned the sediment bowl, and installed a filter (since it was missing) and replaced the screen into the carb. no help. I seem to have good fuel flow to the carb (pulled the plug and let it run) Switched coil to the old (bad) one that cut out after it got hot, and no start. Pulled and cleaned the plugs... no start. Tapped on the Carb... no start. jumper cables, new wire to the + side of coil, etc. no start. I have a blue spark when plug is removed.
My brain hurts... I searched every possibility in the archives I could think of before posting a new topic, I just have not tried a new or rebuilding the carb or a compression test yet. Any thoughts? what can make it behave like this? Am I missing the obvious? Time is running out... back to my 14 hour days of work very soon, and last nights inch of rain is going to make the "back 40" grow like crazy. (if raising crops were as easy as raising weeds, I might be able to quit some of these extra teaching assignments LOL)
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