2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 175Get this manual
FUEL SYSTEM INTAKE MANIFOLD Remove the reed valve retainer screws and remove the assemblydirectionsSurface must be flat, 0.004 in(0.10 mm)
1Straight-edge
Use caution to prevent damaging reed valve assemblies
Inspect the leaf plate assemblies for damage or contamination: Leaf plates must not be distorted Leaf valve must not be cracked or chipped Leaf plate stops must not be distorted or loose Leaf plate assemblies must be clean