Mercury 4C Instruction Manual page 57

ENGAGING SHALLOW WATER DRIVE
1. Reduce engine speed to idle in forward gear. Take hold of
the top cowl grip and raise outboard to the higher tilt
position. The spring loaded tilt lock lever will engage
automatically and lock the outboard in the shallow water
drive position.
2. Ensure the cooling water intake is submerged.
IMPORTANT: Operate outboard at slow speed for shallow water
operation and keep the cooling water intake submerged.
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FEATURES AND CONTROLS
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