2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 157Get this manual
FUEL SYSTEM OMS PUMP ASSEMBLY DIAGRAM
OMS PUMP ASSEMBLY DIAGRAM
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Intermediate housing Inlet housing Air motor diaphragm Air motor housing Poppet spring Air motor spring O-ringvacuum passage Stem Fuel valve retainer Fuel valve Fuel diaphragm O-ring, intermediate housing Stem screw Oil piston and link Seal, filter housing Sealactuator shaft