Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual page 433

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5.Main switch
Refer to "CHECKING THE SWITCH".
6.Engine stop switch
Refer to "CHECKING THE SWITCH".
7.Gear position switch
Refer to "CHECKING THE SWITCH".
8.Rear brake switch
Refer to "CHECKING THE SWITCH".
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ELECTRIC STARTING SYSTEM
C0NTINUITY
CORRECT
CORRECT
CORRECT
CORRECT
9 - 19
INCORRECT
Replace the main switch.
INCORRECT
Replace the handlebar switch (right).
INCORRECT
Replace the gear position switch.
INCORRECT
Replace the rear brake switch.
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ELEC