2004 Johnson 90 105 115 150 175 hp PL PX CX GL 2-Stroke Outboard Owners Manual

ENGINE OVERHEATING
IF the S.L.O.W. protection system activates and the
stream from the water pump indicator becomes in-
termittent or stops, reduce speed to idle and:
Shift to NEUTRAL;
SHUT OFF the engine;
IMPORTANT: Do not run your engine — even for a
brief start-up — without supplying water to it. Refer
to Flushing.
While boating, the engine’s water intakes must stay
completely submerged and unobstructed. Observe
proper transom height and trim angle. While the en-
gine is running, the engine’s water pump indicator
must discharge a steady stream of water. Check
the  indicator  often,  especially  when  operating  in
weeds, muddy and debris-laden water, and at ex-
treme trim angles.
Tilt the motor up;
Clean the intake screens of any blockage;
Clean the water pump indicator of any blockage;
Lower the motor; and
Restart the engine and run at idle.
IF cleaning the screens and indicator does not re-
store the water pump indicator’s steady discharge,
SHUT OFF the engine and do not attempt to oper-
ate it. See your DEALER.
IF cleaning the screens and indicator does restore
the water pump indicator’s steady discharge, you
might have to run for two minutes in NEUTRAL to
allow the engine to cool and the light to go off.
If  the  warning  light  stays  on  after  two  minutes,
STOP the engine and see your DEALER.
IMPORTANT: You must restore cooling to the en-
gine to avoid serious engine damage.
After any overheat, have your DEALER:
Torque the cylinder head screws.
Inspect the water pump for excessive wear or dam-
age.
Inspect the thermostats.
1.
2.
Water intake screens
Water pump indicator
Inspect the engine for leaks.
If the engine overheats, its System   Check engine
monitor will sound the warning horn and turn on the
"WATER TEMP" or  HOT light. Also, the S.L.O.W.
protection system will immediately limit the engine’s
speed to 2500 RPM. If the engine was running fast-
er than 2500 RPM when the S.L.O.W. system acti-
vated, it will shake noticeably.
To RESET the S.L.O.W. protection system, the en-
gine must be shut OFF and the cooling temperature
restored.
Operation - 31
Product Specification
CategoriesBRP Brand Manuals, Johnson 2-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals
Tags, , , , , , , ,
Model Year2004
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- 56 pages
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CopyrightAttribution Non-commercial
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2004 Johnson 90 105 115 150 175 hp PL PX CX GL 2-Stroke Outboard Owners Manual SKU UPC Model
Nancy on May 31, 2014.

Excellent resource


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