ENGINE MONITORING
IMPORTANT: Your outboard must be equipped
"WATER TEMP" or HOT
with the System Check® (or equivalent) engine
monitor. Operating your outboard without the Sys-
tem Check (or equivalent) engine monitor will void
your warranty for failures related to the functions
monitored on your engine.
The engine is overheating. Serious engine damage
can occur quickly.
If the engine is overheating, it will also limit engine
speed to 2000 RPM. This additional protection fea-
ture is referred to as S.L.O.W.™ If the engine was
running faster than 2000 RPM when the S.L.O.W.
system activated, it will shake noticeably.
When you turn the key switch ON, the System
Check engine monitor horn performs a self-test by
sounding a 1/2-second beep. The gauge self-tests
by turning the warning lights on, then off in se-
quence. During engine start-up, pause with the key
switch in the ON position to observe the horn and
gauge perform the self-test. If the self-test does not
happen as stated, see your Dealer.
IMPORTANT: Refer immediately to Engine Over-
heating.
“NO OIL” or “LOW OIL”
The System Check engine monitor alerts the oper-
ator with a 10-second beep of the horn and a warn-
ing light on the gauge when certain engine
problems occur. The appropriate warning light
will stay on until the key switch is turned OFF.
If, during operation, your engine begins vibrating
noticeably and will not exceed 2000 RPM (fast idle),
the low oil pressure warning might have been acti-
vated. The engine’s warning system automatically
limits its RPM when crankcase oil pressure falls be-
low what the engine requires.
Oil pressure can fall due to operating conditions
such as rough seas. or it can fall in response to in-
sufficient supply of oil. Once the engine’s warning
system has been activated, you must take appropri-
ate action to restore adequate oil pressure and re-
set the warning system before the engine can
operate normally.
For information about evaluating low oil pressure
and possible “on-the-water” fixes, refer to Low Oil
Pressure Warning.
1
2
1.
2.
System Check Gauge
System Check Gauge with Tachometer
Engine Monitoring - 17
| Categories | BRP Brand Manuals, Johnson 4-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual. Marine Operator's Engine Guide. |
| Tags | Johnson 15 hp, Johnson 9.9 hp, Johnson EL4 |
| Model Year | 2005 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
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