The 2013 Mercury 60 HP BigFoot is a powerful and reliable four-stroke outboard motor widely used in pontoons, fishing boats, and heavy-duty marine applications. It is designed for strong low-end torque, smooth operation, and long-lasting durability when properly maintained.
Using the correct marine engine oil is essential for protecting internal engine components, reducing corrosion, and ensuring smooth performance in saltwater and freshwater environments. In this guide, you will learn the correct oil type, capacity, change interval, cost, and maintenance tips.
What Type of Oil Does 2013 Mercury 60 HP BigFoot Use?
The recommended engine oil for the 2013 Mercury 60 HP BigFoot is a high-quality marine-grade four-stroke oil designed for EFI outboard engines. These engines operate under high RPM and marine conditions, so corrosion-resistant oil is essential.
- Recommended Oil: 25W-40 marine engine oil
- Alternative: 10W-30 full synthetic marine oil
- Best Option: Mercury/Quicksilver 4-stroke marine oil
- Oil Type: NMMA FC-W certified marine oil
2013 Mercury 60 HP BigFoot Engine Oil Capacity
The oil capacity of the Mercury 60 HP BigFoot is designed to support long operation hours with stable lubrication under heavy load conditions.
- Engine Oil Capacity: 3.1 – 3.2 quarts (approx. 3.0 liters)
- Oil Filter Included: Yes (capacity increases slightly after filter change)
- Gear Lube Capacity: Approx. 0.36 quarts (lower unit)
Always check the dipstick after refilling to ensure correct oil level and avoid overfilling.
Best Oil for Mercury 60 HP BigFoot
Using premium marine oil helps protect against rust, saltwater corrosion, and high-temperature wear. Cheap automotive oils should be avoided in marine engines.
Recommended Oils
- Quicksilver 25W-40 Marine Oil
- Mercury FourStroke Synthetic Blend
- Valvoline Marine 25W-40
- Mobil 1 10W-30 Marine
- Castrol Marine 10W-40
Benefits of Marine Oil
- Corrosion protection in saltwater
- Stable lubrication at high RPM
- Improved engine cooling
- Reduced internal wear
- Longer engine life
Oil Change Interval for Mercury 60 HP BigFoot
Regular oil changes are critical for maintaining engine performance and preventing internal damage.
- Normal Use: Every 100 hours or once per year
- Heavy Use: Every 75–100 hours
- Commercial Use: Every 50–75 hours
- Storage Rule: Change before winter storage
Oil Change Cost
- DIY Oil Change: $40 – $80
- Professional Service: $120 – $250
- Oil Filter Cost: $10 – $25
- Marine Oil Cost: $25 – $60 per gallon
How to Change Oil in Mercury 60 HP BigFoot
- Warm engine for better oil drainage
- Remove cowling and locate drain plug
- Drain old engine oil completely
- Replace oil filter if needed
- Refill with correct marine oil
- Check oil level using dipstick
- Run engine and inspect for leaks
Common Problems Related to Oil
- Engine knocking due to low oil level
- Overheating from degraded oil
- Oil leaks from gasket wear
- Excess smoke from overfilled oil
- Rough idle due to contaminated oil
Signs You Need an Oil Change
- Dark or dirty oil appearance
- Reduced engine performance
- Hard starting issues
- Burning oil smell
- Unusual engine noise
- Lower fuel efficiency
Maintenance Tips
- Always use marine-certified oil
- Do not mix oil types
- Replace oil filter regularly
- Check oil level before trips
- Flush engine after saltwater use
- Follow 100-hour service rule
Frequently Asked Questions (FAQs)
It uses 25W-40 marine-grade four-stroke engine oil or 10W-30 synthetic marine oil.
It holds approximately 3.1 to 3.2 quarts of engine oil.
No, marine engines require NMMA-certified marine oil for proper protection.
Every 100 hours or once per year, whichever comes first.
It can cause corrosion, poor lubrication, overheating, and engine damage.
Final Thoughts
The 2013 Mercury 60 HP BigFoot is a strong and reliable outboard engine, but it requires proper marine oil maintenance to perform at its best. Using high-quality 25W-40 marine oil and following regular service intervals ensures long engine life and smooth boating performance.
For best results, always stick with marine-certified synthetic or semi-synthetic oils and avoid skipping scheduled oil changes.