• Check the lanyard stop switch
After Each Use
• Flush the engine with fresh water, brackish or saltwater use only
Weekly Checks
• Check the seawater inlets for marine growth
• Clean the seawater strainer, if equipped
• Check the coolant level, if equipped
• Inspect the anodes
• Verify the operation of the MerCathode module, if equipped
Every Two Months or 50 Hours
•
Lubricate the engine coupler
1.
Annually or 100 Hours
•
Lubricate the engine coupler
1.
• Lubricate the propeller shaft splines
• Clean the gauges and check wire connection—dealer item
• Check the torque of the propeller nut
• Check the battery condition and connections—dealer item
• Touch up any paint nicks and spray the power package with Corrosion Guard
• Change the engine oil and filter
• Change the sterndrive gear oil
• Check the closed cooling fluid level and concentration for freeze protection, if equipped
• Replace the water‑separating fuel filter
• Clean the crankcase vent—8.2L only
• Clean the IAC muffler—8.2L only
• Clean the flame arrestor—8.2L only
• Inspect the condition of the accessory drive belt—dealer item
• Tighten the connection of the gimbal ring to the steering shaft—dealer item
• Check the steering system for loose components—dealer item
• Check the remote control system for loose components—dealer item
• Check the MerCathode module operation for proper protection and check the continuity circuit—dealer item
• Replace the PCV valve
• Jackshaft models—check U‑joints and tailstock bearings—dealer item
• Spray the power package with Corrosion Guard
• Inspect anodes, if equipped
Three Years or 300 Hours
•
Inspect the spark plugs and spark plug wires
2.
• Clean the flame arrestor and crankcase vent hoses
• Check the engine mount fasteners for tightness and tighten to the specified torque—dealer item
• Check the electrical system for loose, damaged, or corroded fasteners—dealer item
• Check the exhaust and cooling system hose clamps for tightness. Inspect for damage or leaks—dealer item.
• Inspect and clean seawater side of closed cooling system, if equipped—dealer item
• Clean, inspect, and test the closed cooling pressure cap, if equipped—dealer item
• Inspect seawater pump. Replace worn components—dealer item.
• Inspect the exhaust system. If the power package is equipped with water shutters, verify they are not missing or damaged
—dealer item.
• Check the engine alignment—dealer item
1. Power packages that are used extensively at idle or trolling speeds must have the coupler lubricated every 50 hours.
2. Inspect the condition of the spark plugs and spark plug wires. Replace as necessary. If the condition of these components is satisfactory, repeat the inspection every 100 hours or once a year,
whichever occurs first.
Section 4 - Maintenance
90-8M0128973 eng MAY 2017 Page 45
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