2005 Johnson 50 hp 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:
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
•  SHUT OFF the engine;
Shift to NEUTRAL;
•  Clean the water pump indicator of any blockage;
•  Lower the motor; and
must discharge a steady stream of water. Check        •  Restart the engine and run at idle.
Tilt the motor up;
Clean the intake screens of any blockage;
the  indicator  often,  especially  when  operating  in
weeds, muddy and debris-laden water, and at ex-
treme trim angles.
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 SystemCheck  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
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 Year2005
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- 56 pages
Document File TypePDF
CopyrightAttribution Non-commercial
(2 votes, average: 3.5 out of 4)
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2005 Johnson 50 hp 2-Stroke Outboard Owners Manual SKU UPC Model
dave faye on Jun 08, 2018. mr

helpful I can now understand what I have.


Bjorn on May 10, 2018. Good

Good book for man with a iron fist


One thought on “2005 Johnson 50 hp 2-Stroke Outboard Owners Manual

  1. Thank you so very much for making this manual available as a download. I have had the boat for 10 yrs and not had a manual, now I do!
    Geoff C

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