Page 161 - Mercury Service Tool Guide (2021) - 8M0174458

OPTIMAX MODELS

BEARING CUP DRIVER PINION BEARING DRIVER

91- 92788T
Aids in the removal and installation of the pinion bearing.
LEAKAGE TESTER KIT

91- 87120T
Installs the forward gear bearing cup.
BEARING DRIVER

FT8950
Checks gear housing for leakage prior to filling with gear lubricant. Also used to
pressurize the oil injection system.
GEARCASE HEIGHT TOOL KIT

91-8M0130705
Engine and gearcase height measurement tool.
Measures engine (gearcase) height in reference to the boat bottom.
91-877321A 1 All engine gearcase types.
Installs propeller shaft needle bearing into 6 jaw forward gear.
DIAL INDICATOR HOLDING TOOL

OPTIMAX MODELS 91- 89897

Secures the dial indicator to the gear housing when checking backlash.
DRIVESHAFT HOLD TOOL

91- 90094
Using to hold bearing nut for driveshaft.

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