Below you will find the best synthetic oil for a 1997 Johnson 9.9 OHC (18.61ci 4-stroke). Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 1997 9.9 Ohc (18.61ci 4-stroke)
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Gear Lube AMSOIL Synthetic Marine Gear Lube 75W-90 |
Fantastic performance for gears and awesome protection from shock loading. Fights foam and keeps extreme pressure standards even when contamination reaches 10% from water. Great lube for V-drives, bow/tunnel thrusters, lower units, sterndrives, and transmissions. Also great for ATVs. Made in USA. |
AGMPK-EA
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Recommended oil filters for my 1997 9.9 Ohc (18.61ci 4-stroke)
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 1997 Johnson 9.9 Ohc (18.61ci 4-stroke) and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EA15K09-EA
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Our synthetic marine outboard oil offers high rpm endurance and top protection from wear, rust, elevated heat, scuffing, and is NMMA FC-W Catalyst Compatible, and is Certified by NMMA. If you have another engine such as an ESKA, Evinrude, Honda, Johnson, Lehr, Mariner, Mercury, or other types, please go to our main site and search to find the best synthetic.
