Mercury 200 OptiMax Jet Drive Service Manual page 292

Failure to release pressure from the fuel system will result in fuel spraying out, which can cause a fire or explosion. Allow the
engine to cool completely and release all fuel pressure before servicing any part of the fuel system. Always protect eyes and
skin from pressurized fuel and vapors.
1. Disconnect both battery leads from the battery.
2. Install the fuel/air pressure gauge kit. Relieve the fuel pressure into an appropriate container.
4 0
2 0
b
Dual Fuel/Air Pressure Gauge Kit
Digital Pressure Meter
3. Remove the coolant hose between the port fuel rail and air compressor.
90-8M0050731 MAY 2011
8 0 8 0
6 0 1 0 0 6 0 1 0 0
1 2 0 1 2 0
4 0
1 4 0 1 4 0
2 0
1 6 0
1 6 0
CAUTION
!
a - Fuel/air pressure gauge kit
a
b - Fuel pressure test valve
16015
91‑881834A 1
91‑892651A01
Powerhead
Page 4A-27