Quarterly (Every 50 hours)
MasterCraft recommends that
your quarterly–or 50-hour–main-
tenance requirements be per-
formed by your MasterCraft
dealer. The staff there has the
proper equipment and technical
training to best meet your ser-
vice needs.
Lubricate the engine
starter gear and shaft
Because this process should be com-
pleted while the engine is cool and cannot
cause burns to your skin, we recommend
you do this before starting your boat.
Step 1: Ensure the engine is OFF and the engine safety starting switch is disconnected. Be certain that the
throttle/shift control lever is in neutral. The engine must be cool.
Step 2: Disconnect the positive (+) battery terminal.
Step 3: Open the engine cover and locate the starter on the lower starboard side of the engine.
Step 4: Disconnect the starter and carefully remove it.
Step 5: Lubricate the starter bendix with a light coating of waterproof grease or white lithium grease.
Step 6: Return the starter to the engine and reconnect. After closing the engine compartment, reconnect the
positive (+) battery terminal.
MasterCraft recommends that your quarterly–or 50-hour–maintenance requirements be performed
by your MasterCraft dealer. The staff there has the proper equipment and technical training to
best meet your service needs.
Change the engine oil
In order to thoroughly drain all the old oil, you will need
to run the boat engine long enough to reach at least 140
degrees F (approximately three minutes in most applica-
tions), before changing the oil. Do not run your engine
without it being in water, unless you have the appropriate,
professional hook-up available to protect the engine and
drive-train components. If this is not available to you, have
your MasterCraft service technician perform this service.
Step 1: Ensure the engine is OFF and the engine
safety starting switch disconnected. Be certain that
QUARTERLY MAINTENANCE
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