Page 143 - Mercury Service Tool Guide (2020) - 8M0163249

OPTIMAX MODELS

TUBE CLAMP TOOL DUAL FUEL/AIR PRESSURE GAUGE KIT

91-804063 91-881834A 1
Compresses a fuel or vacuum hose for troubleshooting the fuel system or Tests fuel and air pressure. The dual gauges allow the viewing of both pressures
synchronizing a multiple carburetor engine. simultaneously.
SEAL RING SIZING TOOL DIRECT INJECTOR REMOVAL TOOL

91-851980 2 91-883521
Compresses the Teflon seal on direct injectors after seal installation. Aids in the removal of direct injectors from the fuel rail.
SEAL/TEFLON RING INSTALLATION TOOL AIR REGULATOR INSTALLATION TOOL

OPTIMAX MODELS Aids in the installation of Teflon seals on direct injectors. Compresses the air regulator spring to allow installation of assembly screws.
91-851980 3
91-889431
FUEL PRESSURE GAUGE-SINGLE
TACHOMETER / MULTI METER KIT

91-881833A03 91-892647A01
Tests the fuel pump pressure. Can be used to relieve fuel pressure. 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

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