6.0 MAINTENANCE
6.0 MAINTENANCE
68
CXO300 OWNER’S MANUAL
6.4.7 CHANGING TRANSMISSION OIL
The CXO300 transmission contains gear oil which lubricates the internal gears, bearings and shift parts.
A full transmission service should be carried out by an authorized Cox Powertrain dealer in accordance
with the maintenance schedule. However, it may occasionally be necessary to replace the transmission
oil yourself, for instance when preparing for storage.
NOTE
The transmission oil is drained and filled through the lower oil drain plug. The upper vent plug is
designed to indicate the correct fill level only.
NOTE
The transmission oil can only be changed with your boat and outboard
out of water.
To replace your transmission oil
1 Make sure your outboard is off and the transmission is shifted into neutral, then position your
outboard vertically.
2 Prepare an empty reservoir of at least 2L (2.1 US qt) capacity and position it to receive used oil
from the drain plug.
3 Remove the vent plug and set aside.
4 Remove the drain plug and set aside. Allow the used oil to drain.
WARNING
Gear oil and related components may be hot and can cause severe burns.
Avoid direct skin contact with oil. Brief contact may cause irritation while prolonged or repeated
exposure may lead to skin problems.
5 While the used oil is draining, clean both vent and drain plug magnets of any metal particles.