Evinrude E-Tec 40 HP, Service Manual, Page: 116 / 426

114
ELECTRICAL AND IGNITION
TIMING ADJUSTMENTS
location to align with the cast-in TDC boss on the
flywheel. Tighten retaining screw.
Repeat the entire ad justment process to make
sure pointer is aligned correctly.
Install spark plugs. Refer to Spark Plug
Indexing
on p. 42.
Timing Verification
Use
Evinrude Diagnostics
software to synchronize
the mechanical timing of the outbo ard with the
electronic timing of the
EMM
.
Start the outboard.
Use t he
Settings/Ignition Timing
screen of the
diagnostics sof tware and follow the on-screen
instructions.
Check ignit ion timing a fter any of t he following
procedures:
•
Powerhead replacement
•
Crankshaft replacement
•
Flywheel removal or replacement
•
CPS replacement
•
EMM
replacement
•
EMM
software replacement (reprogramming)
IMPORTANT:
Make sur e the timing pointer is
set and the outboard reaches operating tempera-
ture before making any timing adjustments.
TPS Calibration
Use
Evinrude Diagnostics
sof tware to te ll t he
EMM
what throttle position sensor voltage is when
the throttle plates begin to open.
Set TPS Calibration af ter replacing or adju sting
any throttle body or throttle linkage parts.
Remove the lower engine covers and air silencer.
Do NOT start the outboard.
On t he
Settings/Adjustments
screen of the dia g-
nostics sof tware, click the “Set TPS Calibration”
button.
While holding the throt tle plates closed, advance
the throttle lin kage until it stop s. The
Measured
TPS Calibration
field on the screen will increase.
Click the
Working
butt on in the sof tware to cali-
brate the TPS.
Install the air silencer and lower engine covers.
1. Mark “A’”
2. Mark “B”
3. Mark “C”
4. TDC boss
002092
Ignition Timing Screen
008572
2 3 4 1
1. TPS Calibration button
008581
1