Page 84 - Mercury Service Tool Guide (2021) - 8M0174458
P. 84
TWO STROKE MODELS
LOCKRING REMOVAL TOOL TORCH LAMP
91- 52952T 1 91- 63209
Removes the lockrings securing the piston wrist pin. Heats surfaces to aid in the removal and installation of interference fit engine
componenets.
FLYWHEEL HOLDER STRAP
TORQUE WRENCH
91-8M0161873
Holds the flywheel on manual start engines when removing the flywheel nut. 91- 66274
Dial‑type torque wrench that sets torque from 9 to 0‑150 lb‑in. .375 inch drive.
COMPRESSION TESTER
PISTON PIN TOOL
91- 29287
Measures engine cylinder compression. 91- 74607A 3
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. TWO STROKE MODELS
91- 79250A 2
Aids in checking the engine water pressure.
Mercury Service Tool Guide 77

