1983 Yamaha 30EN Outboards Service Manual, Page 48Get this manual
3Hold the float chamber with four screwsFasten the joint, which connects the throttle arm to the accelerator arm, with the screw 4Tighten the pilot jet until stops, install
the spring, and screw in the pilot screw until it stopsThen back it out as specified
Never screw in the pilot screw too hardStop screwing it in when it is lightly seated
NOTE: The joint rod must be adjusted after the carburetor is installedRefer page 2-8
Turns out of pilot screw(turns out) 12 14 5Install the roller on the roller arm, and hold it with the circlipInstall the roller arm on the carburetor, and fasten the accelerator arm with the nut