Cost-effective; extremely strong when bonded correctly. Cons: Can rot again if water penetrates the seal.
The only way to be 100% sure is to drill small exploratory holes from the inside . If the shavings are dark, wet, or smell like mulch, the core is gone. 🏗️ Repair Options: Wood vs. Composite grady-white-transom-repair
While every model (from an Adventure 208 to a Sailfish 252) differs slightly, the professional "outside-in" method is common for DIYers: Cost-effective; extremely strong when bonded correctly
Tilt your outboard up and apply downward pressure to the lower unit. Any visible movement or "smiling" (the gap opening between the motor and the transom) is a red flag. If the shavings are dark, wet, or smell
Only use Marine Grade Plywood (like Okoume or Meranti). Never use pressure-treated wood, as the resins often won't adhere properly. 2. The Composite (Coosa Board) Upgrade
Use a multi-tool or circular saw to cut away the outer fiberglass skin . Carefully pry it off to reuse later if possible.