In this video we replace both port and starboard thermostats in this 2005 BF225. We found the starboard thermostat stuck open and some corrosion in the water.. I have a new project boat we will be doing several videos on. It has a 2007 40hp Honda Outboard Engine . The boat and motor was purchased with it overheating.
These are pictures of my thermostat on a Honda BF 130A. I purchased the boat and engine (1999 130hp) in 2003. The yard winterized the engine for the first two years. Thereafter I did it. Last summer the yard installed a new impeller/water pump. I assumed they changed the t-stat as well.. Big Jon Honda 5hp Outboard Shop Outboards. Back Boat Seats. View All; Fishing Boat Seats. Where is the thermostat on a Honda 9.9 I had a Honda 9.9 (1994) I bought new. I discovered that the water exit hole (where the pisser tube connects) out of the engine block was rather small and dried salt crystals or small bits of sand could block it up