243
POWERHEAD
POWERHEAD INSTALLATION
11
Install flywheel. Refer to Flywheel Installation on
p. 110.
Install air temperature sensor, air silencer, and fly-
wheel co ver. Tighten f lywheel co ver screws to a
torque of 30 to 42 in. lbs. (3.5 to 5 N·m).
Install the lower engine covers. Re fer to LOWER
COVER SERVICE on p. 51.
Pre-Service Adjustments
After installing a new or reb uilt
powerhead, perform the follo wing procedures
before returning outboard to service:
• Adjust timing pointer.
• Index all spark plugs. Refer to Spark Plu g
Indexing on p. 40.
• Use Evinrude Diagnostics software to start pow-
erhead b reak-in o iling. Ref er to Powerhead
Break-In on p. 67.
• Use Evinrude Diagnostics software to set TPS
calibration. Refe r to TPS CALIBRA TION on
p. 113.
• Use Evinrude Diagnostics so ftware to mak e
sure engine management software version an d
revision are current. Update as required.
• Prime fuel system.
• Prime oilin g syste m. Refer to OIL SUPPL Y
PRIMING on p. 170.
• Use Evinrude Diagnostics software to check
engine timing. Ref er t o TIMING ADJUST -
MENTS on p. 112.
• Run outb oard and check for water , fu el, or oil
leaks.
• Make sure en gine reaches correct op erating
temperature and does not overheat.
1. Trim/tilt connectors 004251
1. Air temperature sensor 004219
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