Question about Honda 8 HP Engine
Hello. It sounds like the governor is either out of adjustment or in need of replacement. I agree that you should not run this in this condition or you will have a much larger repair to do. I would replace the governor. J.
Posted on Jun 06, 2010
When I first read this post, I was struck by one statement in particular, that, "I am using a EZ328 instrument to check the engine RPM and it's reading is erratic" (sic) Now the thing that I focussed on was the ERRATIC. Having been an engineer now for over 35 year when ever I see or experience anything erratic, I have learnt to CHECK YOUR INSTRUMENT is calibrated and working by checking against a know good. This is a MUST DO. Only then, can we "Trust" our instrumentation. Unless empirical evidence is ALSO to hand, then it does need to be calibrated. Also, with instrument that use WiFi this can have widely variable reading, I have experienced. If everything isn't just so, I feel an OPTICAL trigger is in my experience much more accurate, than anything else. As if there are any problem with the ignition spark etc, that may interfere with the readings. I feel if you have done all you say, and all setting are done and you have set it up by the book, what else is there? Well...
It maybe electronic, hence the erratic reading? perhaps the Governor circuitry is not working properly due to a semi faulty sensor? Or perhaps the "Micro" brain, just isn't working 100%, an input may have been spiked etc.
Above is a link for a, pay for, generic repair & service manual I also would get your service manual one too, and they are worth their weight in gold i find. they are just indispensable, they also have troubleshooting steps too, maybe even this is a "know about issue"?
Below is a free service and repair maintenance manual this may help. http://www.scubaengineer.com/pictures/honda/honda_gx_k1_service_manual_240_270_340_390.pdf
Posted on Jun 06, 2010
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Posted on Jan 02, 2017
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