After Break-In Period; End Of First Season Checkup - MerCruiser Tow Sports 5.7 MPI User Manual

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Frequently check engine oil level. Add oil as needed. It is normal for oil consumption
to be high during the break‑in period.
After Break‑In Period
To help extend the life of your Mercury MerCruiser power package, follow these
recommendations:
Ensure that propeller allows the engine to operate at or near the top of the specified
WOT RPM range. Refer to Specifications and Maintenance.
Operate the engine at 3/4 throttle or lower. Refrain from prolonged operation at
wide‑open‑throttle RPM.
Change the engine oil and oil filter. Refer to Maintenance.
Change the transmission oil and filter. Refer to Maintenance (ZF Transmission
models).

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.
90-865253073 DECEMBER 2007
1.
Section 3 - On the Water
Page 43

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