Mercury Gear Lube Chart - Large Outboard and Sterndrive

Recommended Gear Lube (75 HP and Up & All Sterndrives):

Mercury or Quicksilver SAE 90 High Performance Gear Lube is required.

Please Note: This gear lube capacity chart is limited to recent models and is intended to help determine how much gear lube to have on hand for service. Always change and service gear lube in accordance with your official factory service or owner's manual. Quantities shown are for reference only. Variations may indicate an incorrect model selection, improper service technique, or a more serious internal problem.

Brand Model Cycle Model Description US Capacity Metric Capacity
Mercury / Mariner 75, 90 2 cycle 3 cylinder 22.5 oz 665 mL
Mercury / Mariner 100, 115, 125 2 cycle 4 cylinder 22.5 oz 665 mL
Mercury / Mariner 115 2 cycle 3 cylinder Optimax 22.5 oz 665 mL
Mercury / Mariner 135, 150 2 cycle 2.0L 22.5 oz 665 mL
Mercury / Mariner 150, 175, 200 2 cycle 2.5L Carb/EFI/Optimax 22.5 oz 665 mL
Mercury / Mariner 200, 225, 250 2 cycle 3.0L Carb/EFI/Optimax 27.0 oz 798 mL
Force 75 2 cycle — 12.0 oz 355 mL
Force 90, 120 2 cycle — 22.5 oz 655 mL
Mercury / Mariner 75 - 90 Four Stroke S/N 1B366822 & below 22.5 oz 665 mL
Mercury / Mariner 75 - 90 Four Stroke S/N 1B366823 & above 24.0 oz 710 mL
Mercury / Mariner 115 Four Stroke — 24.0 oz 710 mL
Mercury / Mariner 135 / 150 / 175 Four Stroke Verado (RH rotation) 32.8 oz 970 mL
Mercury / Mariner 150 EFI Four Stroke RH rotation 26.4 oz 780 mL
Mercury / Mariner 200 Four Stroke Verado (RH rotation) 32.8 oz 970 mL
Mercury / Mariner 225 EFI Four Stroke Standard gearcase 39.0 oz 1.15 L
Mercury / Mariner 225 / 250 / 275 / 300 Verado Four Stroke 4.8" Diameter 32.8 oz 970 mL
Mercury / Mariner 225 / 250 / 275 / 300 Verado Four Stroke 5.44" Diameter Sportmaster lower 20.9 oz 620 mL
Mercury / Mariner 225 / 250 / 275 / 300 Verado Four Stroke 5.44" Diameter HD 17.2 oz 510 mL
Mercury / Mariner 225 / 250 / 275 / 300 Verado Four Stroke 5.44" non-HD 28.7 oz 850 mL
MERCRUISER STERNDRIVES CAPACITY
MerCruiser Alpha 1 Gen 2 4 cycle without Gear lube monitor 1.22 qt 1.16 L
MerCruiser Alpha 1 Gen 2 4 cycle with Round Gear lube monitor 2.00 qt 1.90 L
MerCruiser Alpha 1 Gen 2 4 cycle with Rectangular Gear lube Monitor 1.75 qt 1.66 L
MerCruiser Bravo 1 4 cycle without Gear lube monitor 2.00 qt 1.90 L
MerCruiser Bravo 1 4 cycle with Round Gear lube monitor 3.25 qt 3.07 L
MerCruiser Bravo 1 4 cycle with Rectangular Gear lube Monitor 2.75 qt 2.60 L
MerCruiser Bravo 2 4 cycle without Gear lube monitor 2.50 qt 2.40 L
MerCruiser Bravo 2 4 cycle with Round Gear lube monitor 3.75 qt 3.55 L
MerCruiser Bravo 2 4 cycle with Rectangular Gear lube Monitor 3.25 qt 3.07 L
MerCruiser Bravo 3 4 cycle without Gear lube monitor 2.00 qt 1.90 L
MerCruiser Bravo 3 4 cycle with Rectangular Gear lube Monitor 3.00 qt 2.84 L
MerCruiser Blackhawk 4 cycle without Gear lube monitor 1.75 qt 1.66 L