Jet Installation
90-8M0050731 MAY 2011 Page 1D-37
Engine Break-in Procedure
Step 1: First 40 minutes - Keep the boat on the trailer. Place the boat and trailer in water that is deep enough to submerge
the water intake grate. Keep the bow attached and tight to the trailer, but remove or loosen the rear straps to allow the
boat to float at the rear. Run the engine at the listed run time and at the RPM speed.
Run Time Engine RPM Speed
First 10 minutes 2500 RPM
Next 10 minutes 3000 RPM
Next 5 minutes 3500 RPM
Next 5 minutes 4000 RPM
Next 5 minutes 4500 RPM
Next 5 minutes 5000 RPM
Step 2: Next 14 minutes - Remove the boat from the trailer and run on the water. The run times for the first four
wide-open-throttle encounters is very critical. Keep the run time within the given range. Run the engine at the listed
run time and RPM speed.
Run Time Engine RPM Speed
First 10 seconds ± 3 seconds wide‑open throttle 5600 RPM
Next 20 seconds 3500 RPM
Next 20 seconds ± 3 seconds wide‑open throttle 5600 RPM
Next 40 seconds 3500‑4000 RPM
Next 30 seconds ± 3 seconds wide‑open throttle 5600 RPM
Next 1½ minutes 3500‑4000 RPM
Next 45 seconds ± 3 seconds wide‑open throttle 5600 RPM
Next 1½ minutes 3500‑4000 RPM
Next 4¼ minutes wide‑open throttle 5600 RPM
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