2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 59Get this manual

2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 59

MAINTENANCE
CARBURETORS
Connect each synchronizer tube hose to its corresponding adapterAdjust the throttle valve screw(s) until the carburetors are synchronized (steel balls at the same height in each of the tubes) and the engine idles smoothly

No1 intake manifold position No2 intake manifold position

1Throttle valve screw

Start the engine