Re: force 120 at idle will die periodically
What is your idle speed in neutral?
What is the idle speed in forward gear?
It may be too low.
Carb(s) may be getting clogged, time to rebuild.
Do you know what your cylinder compression is? You may have low compression.
Your fuel recirculation system my be plugging up. It may need to be cleaned.
Your best easy fix for most all of these potential problems, is to decarb the motor.
2 methods of decarbing are listed here:
http://forums.iboats.com/showthread.php?t=158076
As a preventative measure, make sure your motor has the correct prop, and always run some Seafoam in the fuel to keep the system clean.
