Some engines are equipped with devices that limit en- When winterizing the boat, the speedometer tubing must
gine rpm in accordance with the oil pressure or engine be drained of water. Disconnect the speedometer hose
temperature. Refer to the Engine Owners manual for at the pick-up assembly and at the gauge and blow
additionalinformation.
through the tubing to remove the water.
Thetachometermustbesetfordifferentenginesinstalled. Speedometers are not precision instruments. The indi-
The tachometer setting screw or knob is located on the cations are relative and should never be used for naviga-
backside of the gauge. See Figure B5. The tachometer tional purposes or similar critical situations
should be set according to the information in Table I.
NOTICE
Table I: Tachometer Adjustments
Engine Size Tach Setting
DONOTrelyonthespeedometerwhentryingto
achieve a “NO WAKE” condition in a harbor or
other enclosed waterway. ALWAYS reduce
throttle! Speedometers are not effective at mea-
suringlowoperationalspeeds. Youareresponsi-
blefordamagecausedbythewakeofyourboat.
4
6
8
Cylinder
Cylinder
Cylinder
2
3
4
C. Temperature Gauge
B. Speedometer
The temperature gauge monitors the cooling system of
the engine. Asudden increase in the temperature could
beasignalofablockedcoolingpassageorawaterpump
malfunction.
The speedometer is a water pressure sensitive unit. It
has a pick-up (pitot tube) assembly mounted on the tran-
som and a small plastic hose that connects it to speed-
ometer gauge on the dash. The pitot tube extends below
the hull. Water strikes the tube inlet and creates positive
pressure. Thefastertheboatspeed,thegreaterthepres-
sure, and the higher the speed indication on the speed-
ometer.
NOTICE
Operation of an overheated engine can result in
engine seizure. If an unusually high tempera-
ture reading occurs, shut the engine off immedi-
ately.
If the pick-up becomes clogged, the speedometer will not
register. Cleantheopeningwithapieceofwireordiscon-
nectthetubingandblowoutthepick-upwithcompressed
air
D. Oil Pressure Gauge
The Oil Pressure Gauge indicates the pressure in the
engine lubrication system. A drop in oil pressure is a
possible indication of oil pump or leakage problems.
NOTICE
Operation of an engine with abnormally low oil
pressure can lead to engine damage and pos-
sibleseizure. Havetheengineservicedimmedi-
ately upon a reduced oil pressure indication.
E. Voltmeter
The voltmeter monitors battery condition and thus alter-
nator performance. See Section E Electrical Systems
for additional information on voltmeter operation.
F.
Fuel Gauge
The Fuel Gauge displays the level of fuel that is present
in the fuel tank. Refer to Section E Electrical Systems
and Section F Fuel System for additional information.
Figure B5: Rear View of 238 & 258 Vista Module
Vista Owners Manual
10/93
Section B
Page8
| Categories | Four Winns Manuals, Outboard Marine Corporation Manuals |
|---|---|
| Model Year | 1998, 1999 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx |
| Document File Type | |
| Publisher | fourwinns.com |
| Wikipedia's Page | Outboard Marine Corporation |
| Copyright | Attribution Non-commercial |
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