Tillyton
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- Feb 16, 2024
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We have a Cub Cadet zero turn with a Kohler 7000 series KT725 engine. The mower has about 80 hours on it. For the first 50 or so hours it ran without problems, then one day starting to hunt revs and misfire. Went in under warranty for weeks but they couldn't find anything wrong (or so they said). I find I have to clean and rebuild the carby every few hours, and even then it is very temperamental. Basically, it will fire up first go, run for for a few minutes until I drive it to the lawn to be mown, around 60 seconds, but by the time I get there it is on the verge of dying. However, once I engage the mowing blades it will mow for hours without missing a beat. Within a few minutes of disengaging the blades, it starts running roughly again. Spark plugs are fine, have replaced fuel and fuel filter and choke is working as designed. Any ideas would be most welcome.