I have read many carb tuning threads and manuals, and i am still not able to find if you tune both idle jets at the same time, or one at a time. I have a 75 Merc. 650 that needs tuning. thanks guys.
Take a look in the FAQ section for the in-line sync and link procedure. Describes how to set up the ignition/carb linkages and how to adjust the carbs. Very highly recommended.
