To prepare a marine engine for Motor Coater, clean the entire engine with KBS Klean, treat any rust spots with RustBlast, prime with RustSeal for maximum corrosion protection, then apply Motor Coater as the finish coat.
Why This Order Matters
Marine engines are exposed to salt air, moisture, and engine bay heat, all of which accelerate corrosion on bare metal. Cleaning first with KBS Klean removes oil, salt residue, and grime so RustBlast can properly etch and treat any rust spots underneath. Priming with RustSeal after that adds a permanent, rust-proof barrier, which matters most in a salt air environment where corrosion pressure is constant. Applying Motor Coater over a cleaned, rust-treated, RustSeal-primed surface gives the finish a stable, corrosion-resistant base rather than coating over contamination that will undermine adhesion later.
For full surface prep steps, coat counts, and cure times, see the complete Motor Coater Application Directions.
Frequently Asked Questions: Motor Coater on Marine Engines
Still have questions about coating a marine engine? Contact us for help.
