Ignition System Peak Voltage - Yamaha WaveRunner GP1300R Service Manual

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ELEC
IGNITION SYSTEM

IGNITION SYSTEM PEAK VOLTAGE

WARNING
When checking the electrical components,
do not touch any of the connections of the
digital tester lead wires.
NOTE:
• If there is no spark, or the spark is weak,
continue with the ignition system test.
• If a good spark is obtained, the problem is
not with the ignition system, but possibly with
the spark plug(s) or another component.
1. Measure:
• ECM output peak voltage
Below specification → Measure the
pickup coil output peak voltage.
ECM output peak voltage:
Black/red (B/R) – Ground for
cylinder #1
Black/white (B/W) – Ground for
cylinder #2
Black/yellow (B/Y) – Ground for
cylinder #3
r/min
Cranking
V 0.8
NOTE:
To crank the engine, connect the engine shut-
off cord (lanyard) to the engine shut-off switch,
and then press the start switch and engine
stop switch simultaneously.
7-14
E
Loaded
2,000 3,500
174 156