I attach a block to the top pin(yours appears to be missing in pic) of the anchor roller and run the line back to the cockpit through stanchion mounted blocks.
Ray, Please see attached from Edson in my post showing "throttle friction adjuster". My last boat had Edson steering and had to adjust that very thing :)
Being a 1990 model I would guess it has a Edson pedestal ? If so there should be a friction adjustment screw but it is inside the pedestal so a little work to get to it. Here is a Edson doc showing same.....
https://edsonmarine.com/content/EB396EngineControlInstr.pdf
Here is a cross reference for Universal to Kubota. Be advised that Kabota sells parts by the tractor/mower model and not by engine model/type.
https://ericsonyachts.org/ie/attachments/universal_diesel_-20engine_data-pdf.5531/
I presume you are talking about the injector pump? According to uncle google the M12 is a Z400 series model Kubota engine. Hopefully you can find a Kubota part # on the pump to be absolutely sure of the replacement. There seems to be options for Kubota pumps and rebuild kits, some pretty pricey...
Curious if anyone has used these fittings and how they did or didn't work out. Pain in the butt or fairly easy to use ? How are they holding up ? etc...