I guess you have a leak even with a new OEM oring.
are you sure the surfaces are not pitted or damaged.
or maybe the oring got damaged during installation.
Sorry, I have no idea where you could find an oversized oring
so you tried doing the procedure after doing the oil changes and that did not reset the hours for the alarm?
did you try contacting Suzuki to see what you could try?
I would think a owners manual or service manual for that motor would tell you how to reset the timer after an oil change.
Just like they do for automobiles.
Yeah, I always start with compression, spark, and spark timing
If all of that is good then chase fuel.
maybe he already narrowed it down to spark problems
well I sure sounded like you were pointing at the 3 amp draw of the T&T relay you mentioned, and that relay was working fine
"In summary, the control mounted PTT switch needs to pull about 3A of power thru the 25-30' boat harness twice, to energize the PTT relays. You might use an ohmmeter to...
that does not make sense to me.
Does the T&T work from both switches?
You might try to measure the battery voltage while hitting each of the switches to see if there is a difference
here is a link to the post for my brothers C60,
but being on a different web site I am not sure it will work
https://www.yamahaoutboardparts.com/forum/general-discussion/yamaha-outboard-forum/22845-c60-tlry-lower-unit-making-some-clicking-noise-in-neutral-while-idleing
someone trying to shift while motor is not running can cause the shift shaft to twist.
found that on my brothers old C60, along with the bent pin.
But maybe someone did not have everything in neutral when stabbing the lower unit in
