Some clippings from an old Yamaha sailboat promotional brochure.
Dev & I replaced all of the wiring aboard our Y33 last winter, and I've got to say... the 'integral electrical conduits' they're raving about *sounds* great, but in reality we couldn't use ANY of them to pass the new wiring XD...
Not sure any of the builders expected the boat to live to be 42 years old.
@rek were they obstructed somehow?