Page 80 - Mercury Service Tool Guide (2020) - 8M0163249

TWO STROKE MODELS

COMPRESSION TESTER PISTON PIN TOOL

91- 29287 91- 74607A 3
Measures engine cylinder compression. Aids in the removal and installation of the piston wrist pin.
SLIDE HAMMER PULLER LOCKRING INSTALLATION TOOL

91- 34569A 1
Aids in the removal of various engine components. Replacement jaws (P/N 34570)
may be purchased separately.
DIAL INDICATOR TOOL
91- 77109A 3
Installs the lockrings to secure the piston wrist pin in the piston.
WATER PRESSURE GAUGE

91- 58222A 1
Measures distance, movement and runnout. Used for the drive system assembly
and engine setup.
TORCH LAMP
91- 79250A 2
Aids in checking the engine water pressure.
OUTBOARD ENGINE LIFTING EYE

91- 63209
Heats surfaces to aid in the removal and installation of interference fit engine
componenets.
TORQUE WRENCH 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.

91- 66274
Dial‑type torque wrench that sets torque from 9 to 0‑150 lb‑in. .375 inch drive. TWO STROKE MODELS

Mercury Service Tool Guide 73