Mercury 25 EFI Service Manual page 428

Gear Housing
15. Inspect the shift cam for a groove or galling where the cam follower contacts. Replace the shift cam if worn. If the shift cam
is worn, inspect the cam follower for serviceability.
a
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NOTE: Before removing the worn shift cam, note the orientation of the shift cam face to the curve in the shift shaft to aid in
the proper installation of the new shift cam onto the shift shaft.
16. To replace the shift cam, use a suitable punch to drive out the spring pin securing the shift cam to the shift shaft. Discard
the spring pin.
Page 6A-22
a - Shift cam
a -
b -
a
b
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© 2016 Mercury Marine
a
b
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Punch
Spring pin
a - Curve in shift shaft
b - Shift cam face
90-8M0105568 eng MARCH 2016