Mercury 90-863160

DRIVE SHAFT HOUSING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 3A-25
7. Remove shifter shaft lower bushing and oil seal using tool.
22223
22459
a
b
c
a-Shift Shaft Lower Bushing
b-Oil Seal
c-Bushing Removal Tool (91-17273)
Shifter Inspection
NOTE: Use exploded parts views as reference.
1. Shift link bar and shift lever for:
• Damaged or bent parts
• Worn jaw area
• Excessively worn detent area on shift lever
2. Ball detent canister for:
• Broken springs
• Ball out of canister
3. Yoke and cam assembly for:
• Damaged cam spacers
• Excessively worn cam surface
4. Shifter shaft for:
• Excessive wear in area where bushings make contact (Bushings must be replaced if
replacing shifter shaft).
5. Shifter shaft bushing for:
• Excessive wear
• Knicks and scratches (shifter shaft must be replaced if replacing bushings)
6. Shifter shaft upper O-ring for:
• Cuts and knicks
• Flat spots (from being compressed)
7. Shift shaft lower oil seal for:
• Cuts or knicks