Mercury - Owners guide - 90-823238930 Sierra Marine Engine Oils & Lubes • Supports Cooling System Circulation

• Supports Cooling System Circulation – Helps transfer cooling water between components within the engine system

Check for adequate propeller clearance prior to operation

Applications: Suitable for most single-station boats with a single non-power-assisted outboard engine up to V-6 in which engine flutter or steering stability is present

controlled protective current that shields your engine and gearcase from galvanic corrosion

The NGK ILFR6GE Laser Iridium plug has that kind of quiet reliability — the kind you only notice after a season of clean starts

Mercury - Owners guide - 90-823238930 Sierra Marine Engine Oils & Lubes • Supports Cooling System CirculationOwners guide WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.