1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 74Get this manual
HeliCoillnserts and Installers
Use these HeliCoil inserts on all models to repair damaged threadsThe installation kit consists of drill, tap, and insertion
INote The 14 mm spark plug inserts are specially made for use in aluminum cylinder headsDo not use substitutesPIN
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Name of Part HeliCoillnstalier Kit8-32 HeliCoillnstaller Kit10-24 HeliCoillnstaller Kit, 1 4-20 HeliCoillnstaller Kit, 5 16-18 HeliCoillnstalier Kit38-16 HeliCoillnstalier Kit1 2-13 HeliCoillnstalier Kit, 14 mm HeliCoillnserts, 8-32 HeliCoillnserts, 10-24 HeliCoillnserts, 1 4-20 HeliCoillnserts, 5 16-18 HeliCoillnserts,8-16 HeliCoillnserts, 1 2-13 HeliCoillnserts, 14 mm (3in Reach) HeliCoillnserts, 14 mm (1 inReach)