Mercury 250 Specifications download pdf (Page 77)

OPERATION

eng 67

Important Information

IMPORTANT DAILY INSPECTION BEFORE EACH USE

Any outboard mounted on the boat must have the mounting

hardware inspected and checked to ensure that the hardware

has not become loose. A decal on the transom bracket reminds

the owner to check the fasteners securing the outboard to the

transom before each use.

51985

Decal on the transom bracket

BEFORE STARTING THE ENGINE

NOTICE

Lack of oil pressure in the system can cause severe internal

engine damage during start‑up. Prime the oil injection pump on

new or rebuilt engines or after performing maintenance on the

oiling system.

Refer to

Priming the Oil Injection Pump for instructions.

FUEL REQUIREMENTS

Do not use premixed gas and oil in this engine. The engine

automatically receives extra oil during engine break‑in. Use a

fresh supply of the recommended gasoline during engine

break‑in and after engine break‑in.

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Mercury 250 Specifications Page 77