Section 5 - Maintenance
Page 52 90-8M0099741 eng JUNE 2015
Task Interval Maintenance to Be Performed
Every 100 hours or
annually
(whichever occurs first)
• Touch up the paint on the power package.
• Change the engine oil and filter.
• If the condition of the spark plugs, spark plug wires was satisfactory at the initial inspection
(as listed in Every 300 hours or 3 years), inspect the condition of these components every
year and replace as necessary.
• Inspect the water‑separating fuel filter and replace if debris is visible.
• Check the crankcase ventilation hoses and inspect the PCV valve, if equipped.
• Inspect the condition and the tension of the belts.
• Check the coolant level and antifreeze concentration for adequate freeze protection. Correct
if necessary. Refer to the Specifications section.
• Change the transmission oil and filter where applicable. This should be done once a year or
every 300 hours, whichever comes first.
• Inspect the exhaust system components. If the package was equipped with water shutters
(flapper valves), verify that they are not missing or worn.
Every 300 hours or 3
years
(whichever occurs first)
• Clean the flame arrestor.
• Check the engine mounts for tightness and tighten to specifications if necessary.
• Inspect the condition of the spark plugs, spark plug wires. Replace as necessary. If the
condition of these components is satisfactory at inspection, repeat inspection every 100 hours
or once a year, whichever occurs first.
• Check the electrical system for loose, damaged, or corroded fasteners.
• Check the cooling system and the exhaust system hose clamps for tightness. Inspect both
systems for damage or leaks.
• Disassemble and inspect the seawater pump and replace worn components.
• Clean the seawater section of the closed‑cooling system. Clean, inspect, and test the
pressure cap.
• Replace the vent valve on each exhaust elbow (port and starboard).
Every 5 years
• Replace the coolant/antifreeze. Replace every two years if not using extended‑life coolant/
antifreeze.
Engine Oil
Checking
NOTICE
Discharge of oil, coolant, or other engine/drive fluids into the environment is restricted by law. Use caution not to spill oil,
coolant, or other fluids into the environment when using or servicing your boat. Be aware of the local restrictions governing
the disposal or recycling of waste, and contain and dispose of fluids as required.
1. With the engine warm but not running, wait five minutes to allow the oil to drain into the oil pan.
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