39500 EFI Bravo
OPERATION
Engine Break-in
CAUTION
Severe damage to the engine can result by not complying with
the Engine Break-in Procedure.
5 HR. BREAK-IN PROCEDURE
• Allow engine to warm-up for 30 - 60 seconds.
• Do not exceed 3/4 throttle.
• Avoid full throttle acceleration from IDLE speed.
• Always vary throttle setting.
• Run engine the majority of time between 3000 - 4500 rpm.
• Frequently check crankcase oil level. Add oil if needed. It is nor-
mal for oil consumption to be high during break-in period.
CA211hp
After Break-In Period
To help extend the life of your MerCruiser power package, the
following recommendations should be considered:
AFTER 5 HR. BREAK-IN
• Use a propeller that allows the engine to operate at or near the
top of the maximum rpm range (See “Specifications” section)
when at full throttle with a normal boat load.
• Operation at 3/4 throttle setting or lower is recommended. Re-
frain from prolonged operation at maximum (full throttle) rpm.
• Do not operate at full throttle until engine reaches normal oper-
ating temperature.
• Follow the maintenance schedule in this manual.
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