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Trailering your boat
If your boat will be trailered, tilt the drive unit out of the water.
After you remove your boat from the water, lower the drive unit
to the
RUN (down) position until the cooling system drains thor-
oughly.
Rinse the entire drive exterior with fresh water, then dry it and
spray it with anti-corrosion spray.
Before trailering your boat on the road, check the ground clear-
ance of the drive unit. When trailering, the drive unit may be in
the up or down position. There must be at least 15 inches’ (38.1
cm) clearance between the lower gear unit and the ground. If
the clearance is less than 15 inches (38.1 cm), raise the drive
unit.
NOTE! Be very careful when you back out of drive-
ways or cross railroad tracks, so that the stern-
drive does not hit the ground.
Make sure that the boat fits the trailer properly. In many cases,
loss of performance and speed is due to improper trailer sup-
port and too much tie-down pressure, which causes the boat
bottom to deform. The boat should rest firmly on the trailer with
maximum tie-down pressure applied at the bow and transom
only.
Propeller selection
Your Volvo Penta dealer has chosen a propeller designed to
deliver top performance and economy under most conditions.
To obtain the maximum percentage of available horsepower,
the engine RPM at full throttle should be in the specified full
throttle operating range. Refer to
Specifications pages for full
throttle RPM range.
Propellers that allow full throttle operation at the upper end of
the RPM range provide faster planing time for water skiing or
similar activities. Propellers that place full throttle operation
RPM in the middle of the range provide improved cruising fuel
economy.
— If the engine’s full throttle RPM with a normal load is
below the specified range
or on the low side of the
range (1), use propellers with
less
pitch to
increase
the RPM.
— If the engine’s full throttle RPM
exceeds the speci-
fied range
(2), use propellers with
higher
pitch to
decrease
the RPM.
Engine damage can result from incorrect propeller selection
that
1. Prevents engine RPM from reaching the specified full
throttle operating range (e.g., laboring engine.) Install
lower pitch propeller(s).
2. Allows engine RPM above the specified full throttle
operating range (e.g., overspeeding engine). Install
higher pitch propeller(s).
CAUTION!
D-SERIES ALUMINUM PROPELLER SETS ARE NOT REC-
OMMENDED FOR USE ON DUOPROP-EQUIPPED BOAT
AND ENGINE COMBINATIONS THAT ARE CAPABLE OF
SPEEDS IN EXCESS OF 43 MPH (35 KNOTS). F-SERIES
STAINLESS STEEL PROPELLER SETS SHOULD BE USED
IN THESE APPLICATIONS.
If you use D-series aluminum propeller sets, you must also use
an in-trim limiter kit. See your Volvo Penta dealer.
Operation
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