Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual page 419

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ELEC
CHECKING THE SWITCH
Light switch
Engine stop switch
Start switch
On-command four-wheel drive switch and differential gear lock switch
Main switch
Rear brake light switch
Front brake light switch
Rear brake switch
Horn switch (for Europe and Oceania)
Gear position switch
Reverse switch
Fuse
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