Answer
Jun 19, 2024 - 08:02 PM
The gear oil capacity for a 40 hp Mercury outboard engine is typically around 22.5 ounces (665 ml). Ensuring the correct amount of gear oil is used is crucial for the proper lubrication and functioning of the gearcase.
For the most accurate maintenance information specific to your model and year, always refer to the manual. Proper maintenance will help maintain the efficiency and longevity of the outboard engine.
