Specifications

72
2 If flushing cooling system with boat out of water:
A Lower drive unit to full DOWN/IN position.
WARNING
Contact with moving drive components and the propeller can cause personal injury or death. To avoid
possible injury , remove the propeller and ensure that no people or animals are in the area of the drive
unit while flushing.
B Remove propeller.
C Install Quicksilver flushing attachment (or equivalent) over water intake openings in gear housing.
3 Connect hose between flushing attachment and water source.
4 With drive unit in normal operating position, partially open water source (about 1/2 maximum).
5 Place drive in NEUTRAL, idle speed position and start engine.
CAUTION
Suction created by the seawater pickup pump may collapse the flushing water hose causing the
engine to overheat. Avoid engine damage from overheating, DO NOT operate the engine above 1500
rpm.
6 Slowly advance throttle until engine reaches 1300 rpm (+/–100 rpm).
CAUTION
Engine overheating can cause engine damage. To avoid, observe the water temperature gauge and
ensure the engine is operating in the normal range.
7 Observe the water temperature gauge to ensure the engine is operating in the normal range.
8 Operate engine with drive in NEUTRAL for about 5 minutes or until discharge water is clear.
9 Slowly return throttle to idle speed position.
10Stop engine.
11 Shut off water and remove flushing attachment.
INDEX