Owner’s Manual Page 58
Engines, Drives and Instrumentation - Section E
Figure E-6: Prop Installation
NOTICE
Should it be necessary to change propel lers,
always use an appro priate propeller removal
tool or “Prop Puller.” DO NOT attempt removal
using a ham mer. Dam age to the propeller or
propeller shaft can result.
Always check shaft rotation before propel ler instal la-
tion. A right hand rotation pro peller must be installed
on the prop shaft connected to a star board engine.
Similar ly, a left hand prop must be connected to the
port engine shaft. The propellers must rotate outboard
not inboard.
Be sure the propellers are of the correct blade
configuration, diame ter, pitch, and shaft size to assure
good performance. For additional information on
factors affecting performance and/or assistance with
your selection, please consult your Four Winns dealer.
E - 6 ENGINE COOLING SYSTEMS
A. Raw Water Cooling - Stern Drives & Inboards
Certain stern drive and inboard engines utilize a raw
water cooling system. This cooling system is a
seawater system. Seawater (raw) water is taken in
through water inlets on the both sides of the lower
gear unit of the stern drives models or by thru-hull
intake scoops with strainers (inboards). Water
pumped to the engine by the seawater pump is
circulated through the engine by the engine circulating
pump. A thermostat controls the engine operating
temperature by determining the amount of water to be
taken in, recirculated and discharged. On stern drive
models, the water is discharged through an idle
C. Prop Slip
When traveling through water a propeller is unable
to get a complete bite because of the fluidity of water.
“Prop slip” is usually expressed as a per cent of the
computed theoretical speed. Twenty -five to thirty-five
percent prop slip is com mon for a cruiser-type boat
operating at cruising speed.
Changing either diameter or pitch will have an effect
on engine speed and prop slip, and in turn, directly
effect the performance of a boat. The propellers
included with each Four Winns
®
boat provide the best
general performance based on data obtained from
on-the-water testing of that model. Variations in load,
operating conditions, environment, the individual
engine and hull perfor mance may necessitate the
purchase and use of another propeller(s).
Under your normal load conditions, the engines
should turn within the maximum RPM range when at
full throttle. If the engines exceed the recom mended
RPM, an increase in pitch or diameter is required.
If the engine RPM is too low, a de crease in pitch or
diameter is required.
The load carried in a boat will directly affect perfor-
mance of the engine. If an engine that is not develop-
ing full power, be sure the engine is properly tuned
and load conditions are those normally experienced,
before changing propellers.
NOTICE
For twin engine installations, always check
drive shaft rotation before propel ler instal la tion.
A right hand rotation pro peller must be
installed on the star board propeller shaft.
Similar ly, a left hand prop must be installed
on the port propeller shaft.
For shipping reasons, the propellers are not factory
installed. Initial installation of the propel lers will be
performed by the dealer during pre-delivery ser vice.
See Figure E-6.
Summary of Contents for 358 VISTA
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Page 51: ...Owner s Manual Page 47 Warranty and Service Section D ...
Page 53: ...Owner s Manual Page 49 Warranty and Service Section D ...
Page 55: ...Owner s Manual Page 51 Warranty and Service Section D ...
Page 77: ...Owner s Manual Page 74 Steering Systems Section G Figure G 5 Inboard Propulsion System ...
Page 78: ...Owner s Manual Page 75 Steering Systems Section G Figure G 6 Tie Bar 45 Tiller Arm Assembly ...
Page 88: ...Owner s Manual Page 85 Electrical Systems Section H Figure H 3 358V SD GENERATOR 1 0F 5 ...
Page 90: ...Owner s Manual Page 87 Electrical Systems Section H FIGURE H 5 358V SD GENERATOR 3 0F 5 ...
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Page 213: ...Owner s Manual Page 156 Service Information Service Information ...
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