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Mercury 40/50 Series User Manual

Mercury 40/50 Series
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OPERATION
102
In‑gear Neutral
750 RPM 900 RPM
Do not exceed the full‑throttle engine speed
Full throttle engine speed
40 50
5000–5700 RPM 5150–5850 RPM
OVERHEAT ALARM AND SENSOR (OPTIONAL ON SOME
MODELS)
EH, EHO, EHPTO, EO, EPTO
The overheat alarm will sound if the engine temperature
exceeds the preset level.
If the alarm sounds indicating overheating, immediately move
the remote control lever to Neutral (N). Confirm that cooling
water is discharged from the water pump indicator hole, and
then stop the engine. Turn the key switch to "OFF" position.
Remove dirt or other foreign matter clogging the water inlets
on the gearcase.
NOTE: If the alarm sounds frequently after restarting the engine,
contact your service dealer.
NOTE: Check for a steady stream flowing out of the water pump
indicator hole. If no water is coming out of the water pump indicator
hole or flow is intermittent, stop the engine and check cooling water
intake holes for obstruction. If no obstruction is found, this may
indicate a blockage in the cooling system or a water pump problem.
Have the outboard checked by your dealer. Operating the engine
while overheated may cause engine damage.
NOTE: Should overheating occur and you are stranded, stop the
engine and sllow it to cool down. This will usually allow some
additional low speed (idle) running time before the engine starts to
overheat again. Operating an overheated engine may cause
engine damage.

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Mercury 40/50 Series Specifications

General IconGeneral
BrandMercury
Model40/50 Series
CategoryOutboard Motor
LanguageEnglish

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