The idle screw on a 1981 40 hp Mercury outboard engine is typically located on the carburetor, near the throttle linkage. It is usually a brass screw that adjusts the idle speed of the engine. To locate it, follow the throttle cable to the carburetor, and look for the screw that can be turned to increase or decrease the idle RPM. Always consult the owner's manual for specific details and adjustments.
mercury sable
The Grady Nutt Show - 1981 TV was released on: USA: 24 July 1981
Click on the link below Click on Owner Guides The owners manual ( which shows pictures and meanings ) can be viewed online
The Kwicky Koala Show - 1981 1-10 was released on: USA: 14 November 1981
The Kwicky Koala Show - 1981 1-11 was released on: USA: 21 November 1981
The Kwicky Koala Show - 1981 1-12 was released on: USA: 28 November 1981
The Kwicky Koala Show - 1981 1-13 was released on: USA: 5 December 1981
The Kwicky Koala Show - 1981 1-14 was released on: USA: 12 December 1981
The Kwicky Koala Show - 1981 1-15 was released on: USA: 19 December 1981
The Kwicky Koala Show - 1981 1-16 was released on: USA: 26 December 1981
The Kwicky Koala Show - 1981 1-1 was released on: USA: 12 September 1981
The Kwicky Koala Show - 1981 1-2 was released on: USA: 19 September 1981