1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 83Get this manual
Intake Manifold Servicing, 9.915 Removal 1Remove the powerhead as described in Section 4
2Loosen and remove six intake manifold screws
rn 3Remove intake manifold, leaf plate, and two gasketsDiscard gasketsInspection
rn 1Inspect the leaf plate assemblies for damage:
The leaf valves and plate must not be distorted The leaf valve tips must not be cracked or chipped The leaf stops must not be distorted or loose The check valve disk must be intact and free to move inside the valveThe check valve screen must be clean