Engine Oil Recommendation Chart
Recommended Mercury Quicksilver Marine Engine Oil
Find the recommended Mercury/Mercruiser marine engine oil and filters for your application below. See our Oil & Gear Lube Capacity Charts for proper fill amounts.
2-STROKE OUTBOARD OIL APPLICATION CHART
| OIL | Low HP: 2.5 - 30 HP |
Mid HP: 40 - 115 HP |
High HP: Above 115 HP |
All HP |
|---|---|---|---|---|
| Carbureted or EFI | Carbureted or EFI | Carbureted or EFI | Direct Injection | |
| Premium | Good | Good | Not Recommended | Not Recommended |
| Premium Plus | Better | Better | Better | Better |
| DI Engine Oil | Best | Best | Best | Best |
4-STROKE OUTBOARD OIL APPLICATION CHART
| 4 Stroke Oil | LOW HP: 2.5-30 HP |
MID HP: 40- 115 HP |
HIGH HP: 115 HP AND ABOVE |
CATALYZED / NON-CATALYZED |
|---|---|---|---|---|
| 10W30 | Good | Good | Good | Not Recommended |
| 25W40 | Good | Good | Good | Good |
| 25W40 Synthetic Blend | Best | Best | Best | Best |
STERNDRIVE/INBOARD GAS ENGINE OIL APPLICATION CHART
| OIL | CATALYZED ENGINE (EC) | NON CATALYZED ENGINE |
|---|---|---|
| 10W30 | Not Recommended | Not Recommended |
| 25W40 | Good | Good |
Technical Note: Standard Mercury maintenance schedules require replacing engine oil and filters every 100 hours of operation or once annually, whichever occurs first.
