2016 Honda BF150A

by Merle
(Tarpon Springs, FL)

I have a pair of these on my 27' World Cat. They have around 400 hours on them. They run great from idle to 2000 rpm and above 4200 rpm, but the rpms surge by a couple hundred rpm in between. It is not horrible, but not smooth like it should be. We changed oil (with Honda oil) and changed the filters that we could find, thinking that it was a fuel issue, but both motors still do it. We hooked up a computer with Honda software and it did not indicate any issues. Any ideas of what we should try??

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