Mercury 40 Service Manual page 200

4. Push sleeve from piston using piston pin tool.
a b
a - Sleeve
b - Piston Pin Tool (91-74607A3)
5. Place piston pin over tool, and tap into position
(driving tool out other side).
a
a - Piston Pin
b - Piston Pin Tool (91-74607A3)
WARNING
Eye protection must be worn while installing pis-
ton pin lock-rings.
4-30 - POWERHEAD
6. Install new piston pin lock rings (each side of pis-
ton) using Lockring Tool (p/n 91-77109A3).
7. Make sure lockrings are properly seated in piston
grooves.
Do not re-use piston pin lockrings. Use only new
lockrings and make sure they are properly seated
in piston grooves.
PE-51080
a - Lockring Installation Tool (91-77109A3)
b - Lockring (2)
b
PE-51086
NOTE: Shaft of previous Lock ring Installation Tool
91-77109A3 must be modified (shortened) to 1.050
in. (26.7 mm).
CAUTION
b
90-852572R1 JANUARY 1998
a
PE-51086
PE-51086