Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 84Get this manual
Quality of the image is intentionally reduced!
FUEL PUMPINTREGAL FUEL TANK
aDiaphragmSpringPump BaseSpringPlungerLock DiaphragmRotate 90
90-857138R1 MAY 2000
Page 3A-7