carb sync

My 1980 cb750f super-sport has been a heck of a project, I have done everything needed cosmetically, and just finished the wiring not long ago, now all that’s needed is a tune. The bike tends to start, but can not stay running. I have messed with the carburetors enough to know it could be the...

Bike runs, idles steady. Carbs have been pulled and gone through twice. Manifolds on both sides replaced. No indication that the bike is running on only two cylinders and it actually sounds nice at idle. Figured since I got it running fairly well id do a carb sync. Cyl 1&2 look good - both...