BRP E250DHLSCS, Service Manual

Page: 150 / 396

148
ELECTRICAL AND IGNITION
TIMING ADJUSTMENTS
location to align with the cast-in TDC boss on the
flywheel. Tighten retaining screw.
Repeat the entire adjustment process to make
sure pointer is aligned correctly.
Install spark plugs. Refer to Spark Plug
Indexing
on p. 82.
Timing Verification
Use
Evinrude Diagnostics
software to synchronize
the mechanical timing of the outboard with the
electronic timing of the
EMM
.
Check ignition timing after any of the following
procedures:
•
Powerhead replacement
•
Crankshaft replacement
•
Flywheel removal or replacement
•
CPS replacement
•
EMM
replacement
•
EMM
software replacement (reprogramming)
IMPORTANT:
Make sure the timing pointer is
set and the outboard reaches operating tempera-
ture before timing verification is performed.
TPS CALIBRATION
Use
Evinrude Diagnostics
software to tell the
EMM
what throttle position sensor voltage is when
the throttle plates begin to open.
Remove the air silencer.
On the
Settings
screen of the diagnostic software,
click the “Set TPS Calibration” button.
While holding the throttle plates closed, advance
the throttle linkage until it stops. The “Measured
TPS Calibration” field on the screen will increase.
Click the “Working” button in the software to cali-
brate the TPS.
Install the air silencer.
Set TPS Calibration after replacing or adjusting
any throttle body or throttle linkage parts.
1. Mark “A’”
2. Mark “B”
3. Mark “C”
DR1233
Timing Adjustment Screen
006547
2 3 1
1. TPS Calibration button
006810
1