Yamaha BIGBEAR YFM400NM Owner's Manual page 102

Test your brakes after leaving the water.
Do not continue to ride your ATV without
verifying that you have regained proper
braking ability.
CAUTION:
After riding your ATV in water, be sure to
drain the trapped water by removing the
check hose at the bottom of the air filter
case. Wash the ATV in fresh water if it has
been operated in salt water or muddy con-
ditions.
1. Check hose
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