Main-Nozzle- showing broken and eroded end; Guessing that this was caused by previous rebuilder forcing nozzle out with a screwdriver.

Carb-viewed-from-bottom-with bowl-cover-removed: Below brass cap screw in center lies main nozzle and emulsifier tube (slow jet). Two other jets unscrew for inspection and cleaning. Float has been removed.

Intake manifold carbs Silencer Assy. You must remove this entire assembly to disassemble the carbs. It is easy to take out the nine bolts holding the intake to the head.

Intake, Carbs, Silencer-from-back-side:
The intake gasket and all carb gaskets should be replaced.

Honda-Carbs-Synced-to-1/16in.Hg using this homemade manometer. Much more sensitive than dial vacuum guages and easy to understand interaction of intake vacuum for each carb.

Emulsifier-Tube: 2 of 4 of these tubes had hairline cracks in them; very delicate. Cracks are very small and cannot be seen in this photo.