A blog about my experiences in marine surveying, thoughts, and some of the things I encounter. I own and operate a marine surveying firm that is based in Palm Beach Gardens, Florida.
Tuesday, February 3, 2026
Friday, December 26, 2025
Low Power Testing and Diagnostics of Batteries on a 26' Boston Whaler
Low batteries and diagnostics on twin Suzuki DF200 outboard engines. Capt. John Banister, AMS® Suenos Azules Marine Surveying and Consulting 4521 PGA Boulevard, Suite 461 Palm Beach Gardens, Florida 33418 SAMS® Accredited Marine Surveyor ABYC® Standards Accredited ABYC® Gasoline Engines Technician Certified Yamaha Certified Outboard Marine Technician Mercury Certified Outboard Engine Technician Mercury Certified V12 Outboard Engine Technician Honda Certified Outboard Engine Technician USPAP® Certificate on Appraisal Standards ITC® Certified Level III Master Thermographer USCG Licensed Master Captain Member SAMS®, ABYC®, IAMI®, & NFPA® (561) 255-4139 https://www.SuenosAzules.com #suenosazulesmarine #suzukioutboards #df200 #bostonwhalerboats #electrical #Battery
Friday, May 6, 2022
A Sea Trial and Cam Bearing Noise in a Yamaha F350 Outboard Engine
This is a sea trial of a Yamaha F350 outboard engine. There was noticible bearing noise heard from the port outboard engine. Upon removing the upper cowling the bearing noise could clearly be heard in the starboard bank in the cam shaft (part of the valve train). A leakdown test should be conducted and removal of the valve cover should be done to visually inspect the cam shaft, bearings, and oil passages in that bank.

