Page 146 - Mercury Service Tool Guide (2020) - 8M0163249

OPTIMAX MODELS

PISTON RING COMPRESSOR DIRECT INJECTOR REMOVAL TOOL

91-883521
Aids in the removal of direct injectors from the fuel rail.
91-818773T OUTBOARD ENGINE LIFTING EYE
3.50 diameter.
Compresses piston rings into piston ring grooves to ese piston rod assembly into
cylinder block.
PISTON RING COMPRESSOR

91- 90455 1
Threads into the flywheel to remove the power head assembly from the driveshaft
housing, or to lift entire engine for removal/installation.
Fits most 2 cycle Mercury/Mariner Outboards from the 30/40 (2 cyl.) on up.
PISTON PIN TOOL

91-823237T
3.625 diameter.
Compresses piston rings into piston ring grooves to ese piston rod assembly into
cylinder block. 91- 92973A 1
FLYWHEEL PULLER Aids in the removal and istallation of the piston pins.
LOCKRING INSTALL TOOL
91- 93004A 2
Installs the lockring to secure the piston wrist pin in the piston.
MID-SECTION TOOL APPLICATION CHART
OptiMax MId‑Section Tool Application Chart OPTIMAX MODELS

Part Number Description 75/90/115 115/135/150/ 200/225 225/250
OptiMax 175 OptiMax OptiMax Pro EX
91-849154T 1 DFI DFI DFI OptiMax
Removes the flywheel from the crankshaft. 91- 11230 1 Alignment Tool X X X
PROTECTOR CAP 91- 44486A 1 Trim Rod Removal Tool X X X
91- 44487T 1 Trim Rod Guide Removal X X X
Tool
91- 52915A 6 Power Trim Test Gauge Kit X X X X
91- 63209 Torch Lamp X X X X
91- 74951 Spanner Wrench X X X X
91-822778A 1 Adapter Fitting X
91-822778A 2 Adapter Fitting X X X
91-822778A 3 Adapter Fitting X X X X
91-875215A 1 Driveshaft Bushing Installer X
Tool
91- 24161 91-892647A01 DMT 2--4 Digital Multimeter X
Protects the crankshaft when removing the flywheel. Use with flywheel puller (P/N 91- 99750A 1 DVA/Multimeter Tester X X X
849154T1).
CG41-11 Expanding Rod X

Mercury Service Tool Guide 139