1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 256Get this manual
1Unscrew plug from manifold and remove spring and poppet assembly Suction Seat Removal
1Unscrew plug from manifold and remove ball2Use pin punch and knock the filter and suction seat out from the inside of the manifold cavity
NOTE: Do not lose shim that may be lodged in the plug2Use the removal tool and pull out the pilot valve
CAUTION
DO NOT use any tool on the suction seat as any damage to the surface will not allow the ball to seat