Yamaha GRIZZLY ULTRAMATIC YFM660FP Owner's Manual page 390

WARNING
Always use a fuse of the specified rating. Nev-
er use any type of material or object in place of
the proper fuse. An improper fuse can cause
damage to the electrical system which could
lead to a fire.
CAUTION:
To prevent accidental short-circuiting, turn off
the main switch when checking or replacing a
fuse.
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