Timer Base Johnson Evinrude 6 Cylinder | CDI 133-3377 CDI Johnson Evinrude 6 Cylinder Timer Base | CDI 133-3377 Replacement timer base for 150 HP, 155 HP, 175 HP, 185 HP, 200 HP, & 235 HP Johnson/Evinrude Cross Flow outboard engines from 1979-1988. CDI Electronics outboard timer base Fits Johnson and Evinrude 150, 155, 175, 185, 200, and 235 HP 6 cylinder Cross Flow engines from 1979-1985 with twin power packs CDI determines the most common causes of component failure and designs their replacements to be better than the original Replaces BRP Johnson and Evinrude 583377