2-23
BF135A•BF150A
c. STARTING SYSTEM
• ENGINE DOES NOT START
• Before starting troubleshooting, check each wire for connection and correct as necessary.
Replace the neutral switch.
Move the remote control lever in the
“N” (Neutral) position.
• Check the overrunning
clutch and replace as nec-
essary.
• Check the starter motor
magnetic clutch and replace
as necessary.
• Check the planetary gear
and replace as necessary.
Replace the blown fuse(s).
Remove the cause of the
blown fuse(s) before replace-
ment (see FUSE LOAD
CHART on P. 2-20).
Check whether the remote control
lever is in the “N” (Neutral) position.
Not in “N” (Neutral)
position.
Check whether the engine turns with
the ignition switch in the “START” posi-
tion.
Does not
turn.
YES
NO
NO
NO
NO
Replace the PGM-FI main
relay.
NO
NO
YES
Engine turns.
In “N” (Neutral) position.
YES
YES
YES
YES
Check the battery for charging level.
Is the battery fully charged?
Perform charging system
troubleshooting (P. 2-29).
Check the battery terminals for con-
nection and corrosion.
Are the battery terminals in good
condition
Remove corrosion from the
terminals and connect the ter-
minals securely.
Check the PGM-FI main relay (P. 18-
24). Is the PGM-FI main relay in
good condition?
Check the neutral switch (P. 17-13).
Is the switch in good condition?
Check the No. 3 (10A) fuse and the
No. 7 (30A) fuse.
Are the fuses normal?
Check by sound whether the starter
motor is turning.
Is the starter motor turning?
