Step 1: After operating the engine at idle while in the water for at least three minutes or until warm, turn the
engine OFF and disconnect the engine safety starting switch. Open the engine compartment. The engine oil
dipstick is located on one side of the engine.
Step 2: Allow two minutes before checking. Then remove the dipstick and wipe it off. Insert it fully and immedi-
ately remove. Check that the oil lever is between the ADD and the SAFE marks on the dipstick.
Step 3: Add oil, if necessary, through the valve cover and only enough to bring to the SAFE mark on the dipstick.
Overfill may result in damage to the engine that is not covered by warranty. Use SAE 15W40, API SJ/
CH4 oil. 20W40 oil may be substituted but only if it meets the API SJ/CH4 standards. Below 20 degrees Fahrenheit,
use SAE 10W30 SJ/CD type oil if the engine will be running. DO NOT USE OIL ADDITIVES AT ANY TIME.
Check the transmission fluid level
Because you will get an accurate reading only after the engine has run long enough to thoroughly warm up, this should
be one of the last checks you conduct before boating. Run the engine in the water at least five minutes in the water, and
check the fluid immediately after shutting down to get an accurate reading.
Step 1: After operating the engine at idle while in the water for at least five minutes or until warm, turn the engine
OFF and disconnect the engine safety starting switch. Be sure the throttle/shift control lever is in neutral. Open
the engine compartment and locate the transmission dipstick.
Note: The transmission fluid level must be checked immediately after the engine shut-down to prevent
an incorrect reading. Fluid drains back into the transmission from the cooler and cooler lines, and the
dipstick could give a false reading if not done quickly.
Step 2: Remove the dipstick and wipe it off with a clean rag. Quickly re-
insert it fully and immediately remove. Check that the level is at the FULL
WARM mark on the stick.
Step 3: Add or remove fluid as necessary to maintain the level at the mark.
It is as important to avoid overfilling the transmission fluid as it is
to avoid underfilling. Use only the recommended automotive-type trans-
mission fluid. Check with your MasterCraft dealer for the specifications. Never
mix different types or brands of fluid! The manufacturer specifies Dexron-
III fluid in the direct drive 1:1 transmission and 15W40 motor oil in
the V-drives and gear-reduction transmissions.
BEFORE EACH USE
17-10
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