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The most accurate way to find the correct parts for a Mercury outboard is by using the engine’s serial number. Parts diagrams and listings are organized by serial number ranges, not just by model year. Starting with assumptions instead of the serial number is the most common reason people order the wrong part. Ordering the wrong outboard part almost always comes down to one issue. The lookup process started with an assumption instead of a serial number. If you want to find the correct part …

An annual outboard service checklist focuses on oil and filters, spark plugs, gear lube, fuel system components, cooling system maintenance, and corrosion prevention. Replacing wear items every season and inspecting key systems prevents breakdowns and costly repairs. Most outboard problems do not start suddenly. They build slowly from missed maintenance items. An annual service routine keeps your engine reliable, extends its lifespan, and prevents the kind of failures that leave people stuck at …