Getting ready to sync my carbs - According to the OEM manual, "Carburetor vacuum difference: 20 mm Hg, Base carburetor is the front carburetor." Am I correct in reading this to mean there should be 20mm difference in the mercury levels on my carb sticks, with front carb being the higher of the two? If not - what the heck does it mean? Thanks!

 

What does it mean when it says that the front carburetor is the base carburetor?

 

Gotcha - That shouldn't be to hard to not screw up since there is only one adjustment screw! Thanks for the info!