Connecting Rod, Bearings, And Piston Assembly; Exploded View; Removal - Mercury MerCruiser Service Manual

Engine Disassembly

Connecting Rod, Bearings, and Piston Assembly

Exploded View

1
3
5
8
9
10
13

Removal

1. Using a ridge reamer, remove any ridge or combustion deposits from the top of the cylinder bore.
Description
Cylinder bore ridge reamer
a. Turn the crankshaft until the piston is at the bottom of the stroke.
b. Place a cloth on top of the piston to collect cuttings.
Page 3A-36
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4
6
7
8
11
12
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© 2016 Mercury Marine
Piston and connecting rod
1 - Upper compression ring
2 - Lower compression ring
3 - Upper oil control ring
4 - Oil control ring spacer
5 - Lower oil control ring
6 - Piston
7 - Piston pin
8 - Snap ring (2)
9 - Connecting rod
10 - Upper bearing half
11 - Lower bearing half
12 - Bearing cap
13 - Screw (2)
Part Number
Obtain Locally
90-8M0099748 eng DECEMBER 2015