How do I adjust the idle speed on my Evinrude outboard?
The ideal idle is somewhere near the midpoint of this range, about 750 rpm. Loosen the lock nut on the idle speed adjustment screw with a small adjustable wrench. Turn the screw clockwise with a screwdriver to increase the idle speed; turning the screw counterclockwise decreases the idle speed.
What year is my Evinrude?
Evinrude | Serial Number Label. Evinrude outboard engines have a serial number label that is located on the transom bracket. Serial number labels will reference the date of manufacture for the engine by providing visibility of the month and year the engine was produced.
How do I adjust my Evinrude carburetor?
Tell your assistant to reduce the throttle setting to “Idle.” Turn the idle speed adjustment screw with a screwdriver until the shop tachometer indicates that the engine is running in the correct r.p.m. range, 1,000 to 1,300. Allow at least 15 seconds between each turn of the idle speed adjustment screw.
How do you adjust the carburetor on an outboard motor?
The idle adjustment is on the underside of an outboard carburetor. Use a small adjustable wrench or screwdriver and rotate the idle adjustment 1/4 turn clockwise until the engine idle slows. Rotate the valve counterclockwise in 1/8-turn increments until the engine idles smoothly.
What does the idle screw do?
The idle mixture screw controls the air fuel mixture at idle speed, and often is located near the throttle plate.
What year is my 9.9 Evinrude?
Evinrude 9.9 outboards manufactured between 1974 and 1979 have a five-digit model number. The first two numbers are 1 and 0. The third number corresponds with the manufacture year. The final two numbers are 24, 25, 54, 55 or 35.
What Evinrude motor do I have?
serial number
Evinrude – the serial number on an Evinrude is located on the transom or mounting bracket. Serial number is labelled. The model number is also important as it tell us details like the type, year and horsepower of the motor.