Mercury Marine has been a leader in outboard motor innovation for over 75 years. From its beginnings in Wisconsin to becoming one of the world’s largest marine engine manufacturers, Mercury continues to set the standard for performance and reliability.

If you own a Mercury engine—or are considering buying one—these essential FAQs will help you get the best performance and lifespan from your outboard motor.

⚙️ OUTBOARD MOTOR CARE

❓ Can I run my outboard motor out of the water?

No. You should never run an outboard motor without water.

✔ The cooling system requires water circulation
✔ Running dry can damage the water pump
✔ It can cause serious engine overheating

Always ensure proper water flow before starting your boat engine.

❓ How often should spark plugs be changed?

Every 300 hours or every 3 years (whichever comes first).

Regular maintenance keeps your outboard motor running efficiently.

❓ Where can I get service and parts manuals?

You can obtain service manuals, parts manuals, and operation guides through an authorized Mercury dealer.

🔒 WARRANTY INFORMATION

❓ How do I register my Mercury outboard warranty?

If you purchase from an authorized dealer:

✔ Warranty registration is usually handled for you
✔ Ensures full coverage from the manufacturer
✔ Protects your investment

Always confirm your warranty is properly registered.

🧊 OUTBOARD MOTOR STORAGE

❓ How should I store my outboard with ethanol fuel?

Proper storage is critical for maintaining your outboard motor.

✔ Remove all fuel if storing for more than 2 months
✔ Or keep the tank full with a fuel stabilizer
✔ Run engine for 10 minutes after adding stabilizer
✔ Shut off fuel valve and let engine stop

Important tips:

✔ Do not overfill the tank
✔ Leave space for fuel expansion
✔ Avoid partially filled tanks (reduces condensation)

❓ Should I shrink-wrap my boat for storage?

Yes, but ventilation is essential.

✔ Protects from weather and debris
✔ Prevents damage during storage

Important:

✔ Always ventilate the boat
✔ Prevent moisture buildup
✔ Avoid mold, mildew, and corrosion

🚀 FINAL THOUGHTS

Understanding these Mercury Marine FAQs helps you maintain your engine, extend its lifespan, and ensure reliable performance on the water.

From outboard motor care to storage and warranty, following these best practices will keep your engine running smoothly for years.

📞 Need Help?

Have more questions about your outboard motor?

👉 Contact Newbury Outboard today for expert advice and reliable outboard motors for sale.