SPECIFICATIONS
25
If only fuel containing alcohol is available, or if the presence of alcohol is
unknown, increased inspection frequency for leaks and abnormalities is
required.
Crankcase Oil
OIL RECOMMENDATIONS
Preferred Oils API Classification
Mercury 4‑cycle Marine Engine Oil 25W40 SJ, SL, CF‑2, CH‑4
Other Recommendations If Preferred Oils Are Not Available
Premium multi‑viscosity 20W‑50 commercial oil CG‑4, CH‑4, CI‑4
Premium multi‑viscosity 15W‑40 commercial oil CG‑4, CH‑4, CI‑4
Oil Filter Should Always Be Changed With Oil
IMPORTANT OIL PRACTICES
Do Not Use
• Non‑detergent oils
• Oils containing solid additives
• Multi‑viscosity oils other than the ones recommended
• Low quality oils
Do Not Mix
• Straight weight and multi‑viscosity oils
• Different brands of oils, straight weight or multi‑viscosity
• Different weights of straight weight or different weights of multi‑viscosity
oils.
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