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Mercury FourStroke 2.5 - Page 118

Mercury FourStroke 2.5
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Powerhead
90-8M0065421 NOVEMBER 2012 Page 4A-37
3. Install the valve lifters and push rods.
a - Intake valve
b - Exhaust valve
c - Valve lifter and push rod
4. Install the spring seat, spring, and valve spring retainer.
5. Use a suitable box end wrench to compress the valve spring to install the valve keepers.
NOTE: Hold the valves in place from the cylinder bore end during the assembly procedure.
a - Keepers
b - Retainer
c - Spring
d - Seat
e - Seal
6. Install the guide plate and pivot bolts.
7. Install the rocker arms and rocker arm pivots.
8. Install the rocker arm nuts.
a - Pivot bolt
b - Nut
c - Pivot
d - Rocker arm
e - Guide plate
26716
a
b
c
a
b
c
d
e
42589
26674
a
b
c
d
e

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