Yamaha 25BMH 30HMH Factory Service Manual, Page 162Get this manual
Quality of the image is intentionally reduced!
FUEL JOINT, FUEL FILTER, AND FUEL PUMP
Vacuumpressure pump gauge set 90890-06756 (2) Apply the specified pressureSpecified pressure 50 kPa (0.5 kgcm2, 7.25 psi)
CHECKING THE FUEL FI