1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 54Get this manual
10 No Part No333458 333459 333460 333461 333312 333462 333463 333464 323150 328550 328551 322664 328547 328552 323903 322221 324906 323938 328548 328553 317646 329911
25C 26C 27C 29C 30C 31C 34C 36C 38C 41C 43C 45C 46C 47C 48C 49C 50C 51C 52C 53C 54C 55C
Orifices (14-20 Thread SizeType) 10 NoSize 56C 0.025 57C 0.026 58C 0.027 58.5C 0.029 59C 0.030 60C 0.031 61C 0.034 62C 0.036 63C 0.038 64C 0.041 65C 0.043 66C 0.045 67C 0.046 68C 0.047 69C 0.048 70C 0.049 71C 0.050 72C 0.051 73C 0.052 74C 75C 0.053 0.054 76C 0.055 Orifices (516-24 Thread Size)
Part No325019 317021 321731 324389 317330 321449 320661 317607 321559 324776 322810 328554 317183 328555 319776 322996 328556 317488 328559 328557 328558 320502