Mercury 85W-90 Extreme Performance Gear Lube, 1 Quart 8M0111677

Mercury 85W-90 Extreme Performance Gear Lube 8M0111677 is sold under the Quicksilver brand, Mercury Marine's line of OEM-quality lubricants, parts, and accessories. This high-performance marine gear lubricant is formulated for demanding outboard and sterndrive gearcase applications.

Recommended for the following:

• Outboard racing gearcases
• Sterndrive racing gearcases
• High-performance marine gearcases
• Select Mercury Racing applications
• Other compatible high-performance gearcases requiring SAE 85W-90 Extreme Performance Gear Lube

Advanced emulsifiers help protect gears if water enters the gear housing, while tackifiers and pressure additives improve oil film adhesion to reduce metal-to-metal contact and excessive wear. The lubricant is formulated to resist breakdown at high gear temperatures, helping maintain protection under demanding operating conditions.

Specifications:

• SAE Grade: 85W-90
• Size: 1 Quart / 32 fl. oz. (946 mL)
• Extreme Performance formulation
• Designed for high-performance and racing gearcases
• Helps protect against wear and water intrusion
• Resists breakdown at elevated gear temperatures

For routine maintenance, Quicksilver recommends changing the gear lube at least once per year, typically before storage, or every 100 hours of operation. Always follow the service interval specified for your particular engine or drive.