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Mercury 40 Operator's Manual

Mercury 40
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OPERATION
39
7. Turn ignition key to the "start" position. If engine fails to start in ten seconds, return key to "on" position, wait
30 seconds and try again.
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8. After engine starts, check for a steady stream of water flowing out of the water pump indicator hole.
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IMPORTANT: If no water is coming out of the water pump indicator hole, stop engine and check cooling water
intake for obstruction. No obstruction may indicate a water pump failure or blockage in the cooling system. These
conditions will cause the engine to overheat. Have the outboard checked by your dealer. Operating the engine
while overheated will cause engine damage.
WARMING UP ENGINE
Before beginning operation, allow the engine to warm up at idling speed for 3 minutes.
Starting The Engine ‑ Tiller Handle Models
Before starting, read the Pre‑Starting Check List, Special Operating Instructions, and Engine Break‑in Procedure
in the Operation section.
NOTE: EFI models ‑ Engine must have a fully charged battery to start the engine.
!
CAUTION
Never start or operate your outboard (even momentarily) without water circulating through all the cooling water
intake holes in the gearcase to prevent damage to the water pump (running dry) or overheating of the engine.
1. Open fuel tank vent screw (in filler cap) on manual venting type fuel tanks.
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2. Squeeze the fuel line primer bulb several times until it feels firm.
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Mercury 40 Specifications

General IconGeneral
BrandMercury
Model40
CategoryOutboard Motor
LanguageEnglish

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