OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 520Get this manual
302 CID 175 I-P 1974-76
Wear Limit Valve Head Diameter In take Exhaust Valve Face Angle Valve face
302 CID 190 1-P 1974-75 0.0055
351 CID 235 l-P 1974-76
302 CID 190l-P
R unout Maximum
Valve Stem Diameter Standard lntake Exhaust 0.003 Oversize lntake Exhaust 0.0 15 Oversize lntake Exhaust 0.030 Oversize Intake Exhaust VALVE SPFBNGS Valve Spring PressLbs Specength Intake-exhaust Wear limit Intake-exhaust Valve Spring Free Length (Approximate) Intake-exhaust Valve Spring Assembled Htpad retainer Intake-exhaust 1976 only Valve Spring Out-of-square (Max