2005 Johnson 90 115 140 hp PL4 PX4 X4 CX4 4-Stroke Outboard Owners Manual

ENGINE OVERHEATING
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.
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  engine  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 extreme trim angles.
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 exhaust manifold bolts and zinc anode
cover and the cylinder head screws.
Inspect the water pump for excessive wear or dam-
age.
Inspect the water pipe and its O-ring.
Inspect  the  condition  and  sealing  of  the  exhaust
manifold gasket.
Inspect the thermostats.
Inspect the engine for leaks.
Inspect water pressure valve.
Check engine oil level.
Low Oil Pressure Warning
1.
2.
Water intake screens
Water pump indicator
Should the oil pressure drop to a dangerously low
level, the SystemCheck engine monitor will sound
If  the  engine overheats,  its SystemCheck  engine    the horn and turn on  the “NO OIL” light. Also,   the
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.
EMM  will  immediately  limit  the  engine  speed  to
3000 RPM. This additional protective feature is re-
ferred to as S.L.O.W. If the engine was running fast-
This additional protective feature is referred to as       er  than  3000  RPM   when  the  S.L.O.W.  system
activated, it will shake noticeable.
In case of low oil pressure:
Shut OFF engine.
If tilted, place the engine in vertical position.
Check the oil level on the dipstick and add oil, if
needed.  Refer  to  Crankcase  Oil  and  Filter  and
Engine Specifications.
Examine the oil fill cap and drain screw for evidence
of leakage. Make sure each is tight.
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.
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;
Tilt the motor up;
Clean the intake screens of any blockage;
Clean the water pump indicator of any blockage;
Lower the motor; and
If dipstick shows that the oil level is okay, leave the
engine  upright  and  shut  off  for  10  minutes,  then
start it. If the engine still limits itself to about 3000
RPM, see your Dealer.
Restart the engine and run at idle.
IMPORTANT: DO NOT attempt to run your engine
if it repeatedly loses oil pressure. See your Dealer.
Operation - 31
Product Specification
CategoriesBRP Brand 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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