Suzuki 2005 GSF1200 - Starter Motor will Not Run; Starter Motor Runs but Does Not Crank the Engine

1I-4 Starting System:
Starter motor will not run
B649G11904001
NOTE
Make sure the fuses are not blown and the battery is fully-charged before diagnosing.
Troubleshooting
Starter Motor Runs but Does not Crank the Engine
B649G11904003
The starter motor runs when the transmission is in neutral, but does not run when the transmission is in any position
other than neutral, with the side-stand up.
Step Action Yes No
1 1) Shift the transmission into neutral.
2) Grasp the clutch lever, turn on the ignition switch with
the engine stop switch in the “RUN” position and listen
for a click from the starter relay when the starter button is
pushed.
Is a click sound heard?
Go to step 2. Go to step 3.
2 Check if the starter motor runs when its terminal is
connected to the battery (+) terminal. (Do not use thin “wire”
because a large amount of current flows.)
Does the starter motor run?
• Faulty starter relay
• Loose or
disconnected starter
motor lead wire
Faulty starter motor.
3 Measure the starter relay voltage at the starter relay
connectors (between B/Bl (+) and B/Y (–)) when the starter
button is pushed.
Is a voltage OK?
Go to Step 4. • Faulty ignition switch
• Faulty engine stop
switch
• Faulty clutch lever
position switch
• Faulty gear position
switch
• Faulty turn signal/
side-stand relay
• Faulty starter button
• Poor contact of
connector
• Open circuit in wire
harness
4 Check the starter relay. Refer to “Starter Relay Inspection: ”.
Is the starter relay OK?
Poor contact of the
starter relay.
Faulty starter relay.
Step Action Yes No
1 Check the side-stand switch. Refer to “Side-stand / Ignition
Interlock System Parts Inspection: ”.
Is the side-stand switch OK?
Go to Step 2. Faulty side-stand
switch.
2 Check the starter clutch. Refer to “Starter Clutch Inspection:
”.
Is the starter clutch OK?
• Open circuit in wire
harness
• Poor contact of
connector
Faulty starter clutch.