2005 Johnson 40 50 hp PL4 4-Stroke Outboard Owners Manual

Outboard — Running
ENGINE OVERHEATING
WARNING
IMPORTANT: Do not run your engine — even for a
brief start-up — without supplying water to it. Refer
to Flushing.
Prevent  injury  from   contact  with  rotating
propeller;   remove    the    propeller   before
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.
1)
Place the engine in vertical position in a well-
ventilated area with good drainage.
Install flushing device and garden hose.
Place the remote control lever in NEUTRAL
with the propeller removed.
2)
3)
4)
Start the water — keep pressure between 20
to 40 psi (140 to 300 kPa).
1.
2.
Water intake screens
Water pump indicator
1
2
If  the  engine overheats,  its SystemCheck  engine
monitor will sound the warning horn and turn on the
"WATER TEMP" or HOT  light. Also, the  EMM will
immediately limit the engine’s speed to 3000 RPM.
This additional protective feature is referred to as
S.L.O.W.  If  the  engine  was  running  faster  than
3000 RPM when the S.L.O.W. system activated, it
will shake noticeably.
To RESET  the S.L.O.W. protection system,   slow
the engine to 800 RPM or shut it OFF.
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:
1.
2.
Flushing device
Water pump indicator
5)
Start the engine — run it at idle only      and
flush it for at least five minutes. Check the
water pump indicator. A steady stream of wa-
ter must flow. If it does not, shut OFF the en-
gine   and   investigate.    Refer   to   Engine
Overheating.
6)
Leave the outboard in vertical position long
enough to completely drain the powerhead.
Shift to NEUTRAL;
SHUT OFF the engine;
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.
30
- Operation
Product Specification
CategoriesBRP Brand Manuals, Johnson 4-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals
Tags, ,
Model Year2005
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- 60 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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2005 Johnson 40 50 hp PL4 4-Stroke Outboard Owners Manual SKU UPC Model
karl quick on Oct 03, 2015.

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