Simplicity Regent Lawn Tractor stalled out and won't start

Old 09-17-08, 11:59 AM
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Simplicity Regent Lawn Tractor stalled out and won't start

I've got a 1993 Simplicity Regent Lawn Tractor that just conked out on me this past weekend. I had stopped mowing to pick up some branches and when I went to put it back in gear and re-engage the mower blade, it stalled out. There were no loud noises, telltale puffs of smoke, or other indications there was trouble. At several intervals over the next few hours, I tried to restart it and the engine (Briggs and Stratton 12.5HP) would "crank" but not turn over. Each restart, I would hear a very, very faint pop, the engine would "crank", and I would shortly begin to smell the aroma of gasoline as if the machine was flooding. About a year ago, after I had the transaxle replaced, the mechanics told me that the amount of engine vibration they were seeing was not a good sign but if I kept up the maintenance, it might last quite a while. Was this possibly the end of the line for this engine or is this indicative of another fixable problem? If fixable, any hints on how would I troubleshoot this situation to locate the problem? Thanks in advance for any help.
Old 09-17-08, 07:42 PM
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It really sounds as if you simply have a fouled spark plug. I would replace the plug and see what happens. If it starts and runs then I would look at the air filter to see if it's very dirty and needs replacing.

If a new plug is no help, then I would test for ignition spark, possibly a faulty ignition module.

Best of Luck...

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