Section 5 - Maintenance
90-8M0099741
eng
JUNE 2015
Page 51
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There are special tools and equipment that are required to perform some repairs. Do not attempt these repairs unless you
have these special tools and/or equipment. You can cause damage to the product in excess of the cost a dealer would
charge you.
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Also, if you partially disassemble an engine or drive assembly and are unable to repair it, the dealer's mechanic must
reassemble the components and test to determine the problem. This will cost you more than taking it to the dealer
immediately upon having a problem. It may be a very simple adjustment to correct the problem.
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Do not telephone the dealer, service office, or the factory to attempt for them to diagnose a problem or to request the repair
procedure. It is difficult for them to diagnose a problem over the telephone.
Your authorized dealer is there to service your power package. They have qualified factory trained mechanics.
It is recommended you have the dealer do periodic maintenance checks on your power package. Have them winterize it in the
fall and service it before the boating season. This will reduce the possibility of any problems occurring during your boating
season when you want trouble free boating pleasure.
Inspection
Inspect your power package often, and at regular intervals, to help maintain its top operating performance and correct potential
problems before they occur. The entire power package should be checked carefully, including all accessible engine parts.
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Check for loose, damaged or missing parts, hoses and clamps; tighten or replace as necessary.
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Check plug leads and electrical leads for damage.
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Remove and inspect the propeller. If badly nicked, bent, or cracked, contact your authorized Mercury MerCruiser dealer.
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Repair nicks and corrosion damage on power package exterior finish. Contact your authorized Mercury MerCruiser dealer.
Maintenance Schedule—Inboard Models
Routine Maintenance
NOTE: Only perform maintenance that applies to your particular power package.
Task Interval
Maintenance to Be Performed
Each day start
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Check the engine oil level. You can extend this interval based on experience with the product.
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Check the transmission fluid level.
Each day end
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If operating in saltwater, brackish water, or polluted water, flush the seawater section of the
cooling system after each use.
Weekly
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Check the water inlets for debris or marine growth.
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Check and clean the seawater strainer, if equipped.
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Check the coolant level.
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Check the transmission fluid.
Every two months or 50
hours
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If operating in saltwater, brackish water, or polluted water, apply Corrosion Guard to the
power package.
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Check the battery connections and the fluid level.
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Ensure that the gauges and the wiring connections are secure. Clean the gauges. If operating
in saltwater, reduce this interval to every 25 hours or 30 days, whichever occurs first.
Scheduled Maintenance
NOTE: Only perform maintenance that applies to your particular power package.
Task Interval
Maintenance to Be Performed
25 hours
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Change the transmission fluid. Models equipped with a transmission filter must also have the
filter changed at this time.
