Yamaha Outboard Specs 

Proper maintenance is the key to keeping your Yamaha outboard engine reliable and efficient. This chart makes it easy to find the correct spark plug, oil filter, and fluid capacities for your model. Using the right products ensures smooth performance, prevents unnecessary wear, and reduces costly repairs down the line.

Simply select your engine model from the dropdown below and click on the product you need. By carefully reviewing the Yamaha outboard specs, you ensure that you only spend your money on the correct spark plugs, oil, and lubricants for your boat.

Why OEM Matters

• Yamaha-approved spark plugs ignite more consistently and reduce misfires.
• Genuine Yamaha oil filters protect against impurities and maintain oil flow.
• Correct oil and gear lube capacities prevent overheating and gear damage.

How to Use This Chart

1. Select your engine model from the dropdown list.
2. Note the spark plug type, oil filter number, oil capacity, and gear lube capacity.
3. Click through to order the correct OEM part directly from PartsVu.
4. Follow Yamaha’s recommended maintenance intervals (oil every 100 hours/annually, spark plugs every 300 hours or as needed, gear lube every 100 hours).

Maintenance Frequency

• Oil & Filter: Change every 100 hours or annually.
• Spark Plugs: Inspect every 100 hours; replace every 300 hours or if fouled.
• Gear Lube: Replace every 100 hours or at season end.
• Initial Service: First 20 hours requires an oil & filter change.

Troubleshooting Tie-Ins

• Hard starting / poor idle: Worn or incorrect spark plugs.
• Overheating / knocking: Low oil level or wrong viscosity.
• Shifting difficulty / noise in lower unit: Old or low gear lube.

Safety Notes

• Always torque spark plugs to Yamaha’s specs to avoid stripping threads.
• Dispose of used oil and gear lube responsibly at a recycling facility.
• Wear gloves and eye protection when handling lubricants.

Frequently Asked Questions

How often should I service my Yamaha outboard?

At least every 100 hours or annually. Saltwater use may require shorter intervals.

Can I use automotive oil or plugs?

Always use Yamaha-approved marine products to avoid damage.

What if I don’t see my engine listed?

Contact PartsVu support with your model/serial number.

How do I know if my spark plugs need replacing?

Look for fouling, rust, or poor engine performance.

Using non-recommended products for your Yamaha outboard can cause damage to your engine. Stick to the products listed in this chart or those specified by Yamaha to maintain the quality and performance of your boat’s engine. Damage to your boat takes away from your time on the water and can lead to expensive repairs. If you have questions, our team is ready to assist you to make sure you get the right products from the start. Contact us today so that we can help you select the appropriate items for your boat. As always…happy boating!