1983 Yamaha 30EN Outboards Service Manual, Page 46Get this manual
6 Remove the circlip, and remove the roller from the roller arm
Good condition
Unsuitable
31Roller 2Circiip 3Roller arm
Checking the pilot screw Check the pilot screw for wear, and replace it, as required
Cleaning, inspection and rapair 1Checking fuel and air passages Check the carburetor body, its parts and the fuel and air passages for fouling or cloggingClean fouled parts with suitable cleaning solvent, and blowout clogged passages with compressed airWARNING: Be sure to direct compressed air downward, at cleaning solvent may get in your eyes or those of other persons, or small carburetor parts may be blown offGood condition Unsuitable