Mercury 200 Verado Manual page 64

AFTER EACH USE
• Flush out the outboard cooling system if operating in salt or polluted water. See Flushing the
Cooling System.
• Wash off all salt deposits and flush out the exhaust outlet of the propeller and gearcase with fresh
water if operating in salt water.
EVERY 100 HOURS OF USE OR ONCE YEARLY, WHICHEVER OCCURS
FIRST
• Change engine oil and replace the oil filter. The oil should be changed more often when the engine
is operated under adverse conditions such as extended trolling. See Changing Engine Oil.
• Inspect thermostat visually for corrosion and/or for a broken spring. Make sure thermostat closes
completely at room temperature.
• Check engine water separating fuel filter for contaminants. Clean and/or replace filter. See Fuel
System.
• Check corrosion control anodes. Check more frequently when used in salt water. See Corrosion
Control Anodes.
• Drain and replace gearcase lubricant. See Gearcase Lubrication.
• Check power steering fluid. See Checking Power Steering Fluid.
• Inspect battery. See Battery Inspection.
• Saltwater usage. Remove and inspect spark plugs for corrosion and replace spark plugs as
necessary. Apply a thin coating of Anti-Seize Compound only on threads of spark plug prior to
installation. See Maintenance - Spark Plug Inspection and Replacement.
Tube Ref No.
81 Anti-Seize Compound
• Check wiring and connectors.
• Check tightness of bolts, nuts, and other fasteners.
• Check cowl seals to make sure seals are intact and not damaged.
• Check internal cowl sound reduction foam (if equipped) to make sure foam is intact and not
damaged.
• Check that the intake silencer (if equipped) is in place.
• Check that the idle relief muffler (if equipped) is in place.
• Check for loose hose clamps and rubber boots (if equipped) on the air intake assembly.
EVERY 300 HOURS OF USE OR THREE YEARS
IMPORTANT: Engine oil must be drained before removing gearcase to avoid oil spillage. Perform
scheduled water pump replacement in combination with an engine oil change.
• Replace water pump impeller (more often if overheating occurs or reduced water pressure is
1.
noted).
• Check power trim fluid. See Checking Power Trim Fluid.
•
Replace high pressure in-line fuel filter.
• Replace spark plugs at first 300 hours or three years. After that, inspect spark plugs every 300
hours or three years. Replace spark plugs as needed. See Spark Plug Inspection and
Replacement.
•
Replace accessory drive belt. See Accessory Drive Belt Inspection.
BEFORE PERIODS OF STORAGE
• Refer to Storage procedure. See Storage section.
1. These items should be serviced by an authorized dealer.
MAINTENANCE
1.
Description
1.
Where Used
Spark plug threads
1.
58
Part No.
92-881091K1