I currently have just about 1000 hours on my 2009 Beta 25. I would like to know the recommended Beta Marine procedure to chemically clean the Heat Exchanger Stack. Should I use a Muriatic Acid mixture for several minutes and then neutralize and rinse with baking soda? Also, what is the recommended anti-freeze? Once clean, I want to replace with new anti-freeze. Thanks, Ed.
Here the factory has done a good job. This is the link to their youtube video about this www.youtube.com/watch
Any good anti freeze compatible with aluminum will work but dont buy the pre mixed 50% stuff. This is the same price as the regular anti freeze but you end up paying anti freeze price for water.