Mercury MerCruiser 5.7 Horizon, User Manual

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Section 3 - On the Water
Page 52 90-899883173 DECEMBER 2007
• Change the engine oil and oil filter. Refer to
Maintenance
.
• Change the transmission oil and filter. Refer to
Maintenance
(ZF Transmission
models).
1.
End of First Season Checkup
At the end of the first season of operation, contact an authorized Mercury MerCruiser dealer
to discuss and/or perform scheduled maintenance items. If you are in an area where the
product is operated continuously, year‑round, you should contact your dealer at the end of
the first 100 hours of operation or once yearly, whichever occurs first.
1. Require fluid and filter change after the first 25 hours and then every 100 hours.