Engine Break-In Procedure; Starting The Engine - Remote Control Models - Mercury 40 CT Maintenance And Installation Manual

Without sufficient cooling water, the engine, the water pump, and other
components will overheat and suffer damage. Provide a sufficient supply of
water to the water inlets during operation.
Engine Break‑in Procedure
IMPORTANT: Failure to follow the engine break‑in procedures can result in
poor performance throughout the life of the engine and can cause engine
damage. Always follow break‑in procedures.
1. For the first hour of operation, run the engine at varied throttle settings up
to 3500 RPM or at approximately half throttle.
2. For the second hour of operation, run the engine at varied throttle settings
up to 4500 RPM or at three‑quarter throttle, and during this period of time,
run it at full throttle for approximately one minute every ten minutes.
3. For the next eight hours of operation, avoid continuous operation at full
throttle for more than five minutes at a time.
Starting the Engine ‑ Remote Control Models
Before starting, read the Prestarting Check List, special operating
instructions, and Engine Break‑in Procedure in the Operation section.
Without sufficient cooling water, the engine, the water pump, and other
components will overheat and suffer damage. Provide a sufficient supply of
water to the water inlets during operation.
1. Open fuel tank vent screw (in filler cap) on manual venting type fuel tanks.
OPERATION
NOTICE
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NOTICE
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