Cleaning/Inspection/Repair; Flywheel - Mercury FourStroke 2.5 Service Manual

Powerhead
NOTE: Hold the valves in place from the cylinder bore end during the disassembly procedure.
8. Remove the valve keepers, valve spring retainer, spring, and spring seat.
9. Remove the intake and exhaust valves.
10. Remove the intake and exhaust valve seals.
a

Cleaning/Inspection/Repair

Flywheel

1. Inspect the flywheel keyway. Replace if damaged or worn.
Page 4A-24
b
a - Exhaust valve seal (green)
b - Intake valve seal (black)
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90-8M0065421 NOVEMBER 2012