Mercury Idle Adjustment Screw. Mercury outboard idle adjustment YouTube If in doubt, err on the side of richer rather than leaner Adjusting it shouldn't cause anything catastrophic
Here Is The Correct Procedure For Setting An Optimized Idle Mixture And from www.holley.com
Insert a screwdriver into the Mercury's idle adjustment screw, located at the bottom of the carburetor, and turn it to the left until the motor barely continues to run Mercury 90hp 1988 s/n 0b312461 I know some or all of the idle screws on my carbs have been set too rich
Here Is The Correct Procedure For Setting An Optimized Idle Mixture And
With the Mercury outboard engine in neutral gear and in the water or test tank, start the engine and allow it to warm up Idle speed adjustment for models not equipped with an idle speed screw If the outboard motor is not equipped with an idle speed screw, then the carburetor has been pre-calibrated by the manufacture to maintain an idle speed of 650 ± 75 RPM in Forward gear, or as listed in your. Question is: What is the procedure for setting these.
Idle Mixture Screws Adjustment and How to Purchase Mikes Carburetor. This has resulted in smokey idle and smokey acceleration Adjusting it shouldn't cause anything catastrophic
Basic Carburetor Adjustment & Tips A Guide To Tuning A Carburetor JEGS. Refer to the download repair manual for idle rpm specifications. How to adjust idle screws on Mercury 75, 90, 100, 115 and 125 horsepower outboard motors