Bob reminded me of two mods I made that have been successful so I haven't had the problem they were designed to prevent or circumvent.
I added a masthead spinnaker bail made from a 1/2-in. diameter ss u-bolt. It has a heavy-duty Lewmar roller-bearing block attached with a 1/8-in. dacron pull string running through it from chain plate to chain plate. If I have to go aloft I use a dedicated 7/16-in. dacron line that runs from the rock climbing seat harness through the masthead block down to a large snatch block at the base of one of the foredeck stanchions then back to one of the large sheet winches in the cockpit.
The other mod was to add an electric fuel pump in a sort of series-parallel arrangement with the mechanical pump and a 3-way valve in the fuel line so that fuel can be pumped from the tank, through a large aftermarket filter and water separator, through the electric pump, through the 3-way valve, and back to the fuel tank without running the engine. Using this system and bio-bor occasionally I haven't any problems with tank crud being stirred up in rough weather. I change the Yanmar filter once a year when I change the waterpump impeller just because.
