STERN DRIVE LUBRICATION
The stern drive uses power trim fl uid, drive oil, and propshaft
lubricants to reduce wear on moving components. These fl uids should
be checked according to the recommended maintenance procedures
determined by the stern drive manufacturer.
Drive Oil
Drive oil keeps all the mechanical components in the stern drive
functioning optimally. It reduces friction in the stern drive. Sometimes
drive oil is called gear lubricant, as the oil essentially lubricates the
gears inside the gear box. Drive oil should be inspected with each trip.
The location of the drive oil may change based on your manufacturer,
as some chose to mount the fi ll on the stern drive, while others chose
to mount it separately in the engine compartment or on the engine.
Typical Volvo Drive Oil Dipstick
Typical Mercury Gear Lube Fill
3-20
Chapter 3
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