Page 130 - Mercury Service Tool Guide (2021) - 8M0174458
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FOURSTROKE MODELS
BACKLASH PRELOAD TOOL
91-8M0116860 FOURSTROKE MODELS
Prevents forward gear movement when checking the forward gear backlash.
PINION HEIGHT TOOL
91-895218
Aids in determining the pinion gear height.
LEAKAGE TESTER KIT
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.
All engine gearcase types.
Mercury Service Tool Guide 123
