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CHAPTER 7
Engine
Each engine package is unique and quite complex. A select portion
of the maintenance items are covered in this chapter. Many times
because of the advanced ignition and fuel injection systems used on
marine engines it is best to use trained marine professionals. This is
especially true with the new DTS and EVC systems. For more detailed
information, refer to the manufacturer’s engine owner’s manual.
Stern Drive
The stern drive unit should be checked before each outing. Tilt up
the drive and check for any debris around the intake and any fi sh line
tangled in the propeller. Check your engine manual for stern drive
maintenance schedules.
Propellers
Out-of-balance or nicked props will effect performance or cause
vibration. Damaged props should be replaced, but those that are
chipped or bent can usually be reconditioned by propeller repair
facility. When cruising, consider carrying a spare set of props on board
because many marinas do not carry a full inventory of replacement
propellers. Also, carry an extra set of prop hardware. Refer to the
manufacturer’s engine manual for appropriate stern drive and inboard
propeller replacement.
Be sure to make a note of the propeller diameter and pitch while the
vessel is in dry dock. They are pressed into the prop for easy reading.
In an emergency a stainless steel propeller blade may be able to be
straightened by laying the propeller blade on a 2 x 4 and hammering
the bent portion of the blade until straight. This procedure will assist
the operator in reaching port so he can have the propeller re-pitched.
MAINTENANCE
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