Page 112 - Mercury Service Tool Guide (2020) - 8M0163249

FOURSTROKE MODELS

ADAPTER FITTING DVA/MULTIMETER FOURSTROKE MODELS

91-822778A 3 91- 99750A 1
Install in place of the manual release valve to measure the internal pressure of the Tests the electrical and ignition systems. Consists of a VOA meter with built‑in
power trim pump in the down mode. direct voltage adapter.
PRESSURE ADAPTER FITTING ‑ DOWN

91-8M0054662
Install in place of the manual release valve to measure the down pressure in the
power trim system.
PRESSURE ADAPTER FITTING ‑ UP
91-8M0061797
Install in place of the manual release valve to measure the up pressure in the
power trim system.
O-RING SET
25-8M0062937
Replacement O‑Ring set for Up and Down Pressure Adapter Fittings P/N
8M0054662 and P/N 8M0061797.
UPPER TRIM BEARING INSTALL AND REMOVAL TOOL
91-8M0083568
Installs and removes the upper trim cylinder bearings.
BUSHING INSTALL TOOL

91-875215A 1
Installation tool that aids in the installation of driveshaft bushings.
TACHOMETER / MULTI METER KIT

91-892647A01
Measures RPM on spark ignition (SI) engines. ohms, amperes, AC and CD
voltages; records maximums and minimums simultaneously and accurately reads
in high RFI environments.
Outboard and MerCruiser

Mercury Service Tool Guide 105