Section 08
ELECTRICAL SYSTEM
Subsection 03
(IGNITION SYSTEM)
08-03-6
LMR2000_066_08_03A.FM
b. You found the flywheel mark advanced. You
must retard the ignition timing.
– The programmer gives you the number 3. Re-
ferring to the chart, number 3 returns a cor-
rection of 2
°
(advanced) and this is too much
in this case.
– You estimate the correction should be set to
1
°
(advanced) to align flywheel mark. Back in
the chart, look to find 1
°
(advanced). This
gives number 4. Enter this number with the
programmer.
– You recheck the timing with the timing light
and found that the flywheel mark is still too
advanced. You know now that the correction
made previously was not enough and you es-
timate the correction should be set to - 2
°
(re-
tarded) to align flywheel mark. Back in the
chart, look to find - 2
°
(retarded). This gives
number 6. Enter this number with the pro-
grammer.
– You recheck the timing with the timing light
and if the mark is aligned, ignition timing is
properly set.
c. You found the flywheel mark retarded. You
must advance the ignition timing.
– The programmer gives you the number 4. Re-
ferring to the chart, number 4 returns a cor-
rection of 1
°
(advanced) and this is not
enough in this case.
– You estimate the correction should be set to
2
°
(advanced) to align flywheel mark. Back in
the chart, look to find 2
°
(advanced). This
gives number 3. Enter this number with the
programmer.
– You recheck the timing with the timing light
and if the mark is aligned, the ignition timing
is properly set.
Proceed as Follows to Adjust the
Ignition Timing with the MPEM
Programmer:
1. Connect the communication cable to the
MPEM programmer and the other end to the
safety lanyard switch on the craft.
2. Press the
ON/C
button on programmer and en-
ter your password.
3. Press
3
to choose
Vehicle info
in programmer.
4. Press
4
to choose
Engine param
.
5. Press
2
to choose
Timing adjust
.
6. The programmer display a number that is
stored in the MPEM.
7. Press
↔
to choose
yes
for modify then press
Enter
.
8. Now punch in the number that corresponds to
the degree you want for the ignition timing
then press
Enter
.
9. Press
Menu
to go back one level.
10. Press
8
to choose
Save + Quit
(even if item
no. 8 is not visible on the display, it is active
when you select it).
11. Press
Enter
to confirm yes you want to
save
modifications
to the MPEM.
12. You must see
Operation successful
. This con-
firms that the new timing data has been stored
in the MPEM.
13. Unplug communication cable from safety lan-
yard switch on craft.
14. Press
Off
to close the programmer.
At this point, you can install the watercraft safety
lanyard and start the engine to check the effect of
the correction on the ignition timing. If further ad-
justment is required, repeat the procedure.
NOTE:
The MPEM features a permanent (non-
volatile) memory and keeps the ignition timing pro-
grammed even when the watercraft battery is dis-
connected.
VCK (Vehicle Communication Kit)
To adjust ignition timing using VCK (P/N 295 035
676), refer to its instruction sheet.
IGNITION SYSTEM TESTING
PROCEDURE
When dealing with ignition problems, the follow-
ing items should be verified in this order:
1. Spark occurrence
/
spark plug condition.
2. Battery condition.
3. Electrical connections.
4. Engine start/stop switch.
5. Safety lanyard switch.
6. Timer.
7. Multi-Purpose Electronic Module (MPEM).
8. Ignition coil output.
CAUTION:
Whenever replacing a component
in ignition system, check ignition timing.
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