Page 56 - Mercury Service Tool Guide (2020) - 8M0163249
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GASOLINE ENGINE
DATA CABLE PULLER DVA/MULTIMETER
888462A 1 91- 99750A 1
Attaches to end of data harness to aid in pulling harness through boat. Prevents Tests the electrical and ignition systems. Consists of a VOA meter with built‑in
damage to data harness. direct voltage adapter.
FUEL FILTER REMOVAL / INSTALL TOOL PROBE ASSEMBLY
91- 89666 1 91-806141A 1 GASOLINE ENGINE
Aids in the removal and installation of the fuel filter cap assembly. Measures SAV‑regulated emmisions on early modesl with a test port mounted to
the side of the exhaust elbow.
PULLEY PUSHER INSTALLER
DIAGNOSTIC THRUSTER SWITCHING TOOL
91- 93656A 1
Installs the pulley onto the power steering pumps. 91-8M0118802
Isolates the thrusters and thruster relays from the joystick control system to verify
TIMING LIGHT operation.
DRIVE ALIGNMENT TOOL
91- 99379
Used to check ignition timing.
91-8M0029055
Used with Axius, Zeus, JPS and MerCruiser electric steering to align the drives
with the boat. Two pieces required for alignment.
Mercury Service Tool Guide 49
