Hyster H80FT:
Back firing kubota lpg

I have a hyster h80ft with the kubota lpg engine and it has an intermittent back fire issue.
Well maintained by another tech. New spark plugs and valve adjust completed. Seafoam engine clean completed. It is better than it was but it still back fires once in a while hard enough to blow apart the air cleaner.
It is operated in a very dusty environment. Any one have any ideas?
  • Posted 6 Jul 2019 09:49
  • Discussion started by Styx
  • British Columbia, Canada
Showing items 1 - 3 of 3 results.
I have had this issue with a 2016 h60ft with 2.5 kubota ,the issue was the wiring harness going to the EPR had rubbed and had bare wires causing overfueling, and it would randomly backfire and blow apart the inner air filter, repaired the wiring harness and that fixed the issue, Also replaced the engine isolators since that was the cause of the wiring harness failure ,wich seems to be common with 4 cyl kubotas since they vibrate so much , the engine mounts should be replaced sooner then say a 4.3v6
  • Posted 28 Mar 2023 11:00
  • Reply by IMT21
  • Idaho, United States
Same issue has anyone come up with a cause of solution we're to start
  • Posted 20 Mar 2023 03:08
  • Reply by Frindtracing
  • Pennsylvania, United States
Also 7000hrs on it.
  • Posted 6 Jul 2019 09:50
  • Reply by Styx
  • British Columbia, Canada

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