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    BX23s rpms drop then backfires and dies

    Well, drained the tank at the lower filter inlet and didn't see any flow restriction. Put new diesel in with algicide and fuel treatment, ran it for 10 minutes and then let her sit for two days. Fired it up to mow and went for an hour, then yup, it happened again. When it was acting up I opened...
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    BX23s rpms drop then backfires and dies

    85Hokie - I was still perplexed about the mower PTO shaft coming loose during the misfires. I am sure I felt the firm click when I re-attached the mower deck and it did run for quite a while without issue. After removing the shaft, I saw that the collar spring was broken. Could have happened...
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    BX23s rpms drop then backfires and dies

    Thanks to all for the great advice. I haven't had a chance to check the fuel flow out of the tank yet, but will get to it this weekend. The fuel cap restriction is not an issue. The diesel is less than a week old. If the flow looks good I will drain the tank, add new fuel and try the white...
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    BX23s rpms drop then backfires and dies

    Thanks for the response 85Hokie! 1.) Backfire was the wrong word but it sounded like a backfire on a gas engine. The exhaust blackened the front end loader pivot bar. 2.) Yes, the fuel pump ticks. 3.) Fuel filters were light brown. 4.) Did not dump diesel into a container when I changed the...
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    BX23s rpms drop then backfires and dies

    My BX23s has developed a problem where suddenly the rpms will gradually drop and then it backfires and often dies. Sometimes after backfiring it will gradually increase rpms but continue to rev up and down. The tractor is two years old and I had a similar problem without backfire after using the...