Mercury Optimax 75, 90, 115, DFI starting year 2004 service manual., Page 138Get this manual
Quality of the image is intentionally reduced!
TIMING, SYNCHRONIZINGADJUSTING
aThrottle shutter opening 0.40 mm (0.016 inThrottle shutter stop screw
90-889785 APRIL 2003
Page 2C-7