Pre-Starting Instructions; Engine Break-In Procedure; Starting The Engine - Remote Control Models - Mercury 40 JET FOURSTROKE Operation, Maintenance & Installation Manual

Pre‑Starting Instructions
1. Check the engine oil level.
2. Ensure that the driveshaft bearing on the jet drive is lubricated. Refer to
Maintenance ‑ Lubrication Points.
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 pre‑starting check list, special operating instructions,
and engine break‑in procedure in the Operation section.
OPERATION
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