MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.
You are invited to join our public Boat Repair Forum to seek assistance from other members.
You may also visit the Boat Motor Manuals section of our site to obtain a service manual.
Mike I am trying to find the 72 degree Celsius thermostat for the block that you were talking about for cold water applications. I think it's different from the stock one. ThanksThe one for the block is 19300-ZW9-003. http://www.boats.net/parts/search/H... Later/BF90DK0 LRTA/CYLINDER BLOCK/parts.html
The one for the head is 19300-ZY6-003. http://www.boats.net/parts/search/H...d Later/BF90DK0 LRTA/CYLINDER HEAD/parts.html
Mike