Trouble Recovery
67
NOTE:
When the engine does not start with this pro-
cedure, see page 67.
EMU29670
Engine fails to operate
EMU29691
Ignition system malfunction
If the battery voltage is low or in the unlikely
event of an ignition system malfunction, the
engine speed may become erratic or the en-
gine may stop. In such a situation, follow the
procedure below.
1. Remove the CDI unit cover or electrical
cover, if equipped.
2. Disconnect the yellow cord (emergency
circuit) of the CDI unit to return to port.
WARNING
EWM00350
When the yellow cord is disconnected,
the idle and low speeds are slightly high-
er than normal. Use care when starting off
or stopping.
CAUTION:
ECM00380
Follow this procedure only in an emer-
gency and just long enough to return to
port for repairs.
EMU29704
Cold engine fails to start
If the engine fails to start when it is cold, use
the following procedure.
WARNING
EWM00410
When starting or operating the engine, do
not touch the ignition coil, spark plug
wire, spark plug cap, or other electrical
parts carrying high voltage. Keep loose
clothing and other objects away from the
engine when starting it. Do not touch the
flywheel or other moving parts when the
engine is running.
1. Adjust the trim angle so that the drive
shaft is at right angles to the water sur-
face or is trimmed in.
2. On models equipped with an emergency
starter valve, open it. The valve is locat-
ed behind the silencer cover on the front
of the engine.
ZMU03892
1. CDI unit
2. Yellow cord
ZMU03893
1
2
©2019 Yamaha Motor Corporation, U.S.A.
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