Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 193Get this manual
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DIRECT FUEL INJECTION
aSchrader Valve (22-849606) 2 Adaptors to convert pressure gauge 91-852087A1A2 to an A23
NOTE: Adaptors 91-803804A2 are required to convert pressure gau