After The 20-Hour Break-In Period; End Of First Season Checkup - Mercury TDI 4.2L Manual

• Avoid full‑throttle acceleration from an idle.
• Do not operate at full‑throttle until the engine reaches normal operating temperature.
• Check engine oil level frequently. Add oil as needed. High oil consumption is normal during the break‑in period.
• At the end of the 20‑hour break‑in period, change the engine oil and filter as specified. Refer to Specifications and
Maintenance.

After the 20-Hour Break-In Period

To help extend the life of the power package, Mercury Diesel recommends the following:
• Select a propeller that functions efficiently throughout the recommended engine powerband for a fully‑loaded boat. Refer to
Specifications and Maintenance.
• Never operate at wide‑open throttle for prolonged periods. Operation at 3/4 throttle and below is recommeneded.

End of First Season Checkup

At the end of the first season of operation, contact an authorized Mercury Diesel repair facility regarding scheduled
maintenance items. If the product is operated on a continuous, or year‑round basis, contact the dealer at the end of the first 100
hours of operation or once yearly, whichever occurs first.
90-8M0114081 DECEMBER 2015
eng
Section 2 - On The Water
Page 27