Crankshaft Installation - Mercury 40 Service Manual

CYLINDER BLOCK/CRANKCASE
2. Lubricate pistons, rings, and cylinder walls with engine oil.
3. Install each piston in its respective cylinder.
NOTE: Install used pistons into same cylinder from which they were removed.
4. Use Piston Ring Compressor (FT2997) to compress rings.
5. Position the "UP" mark on the piston toward the flywheel side. Push each piston into the
cylinder until all rings enter the bore.
IMPORTANT: Position the "UP" mark on the piston toward the flywheel end.
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Crankshaft Installation

1. Lubricate the crankshaft bearing surfaces with engine oil.
2. Carefully lower crankshaft into place.
3. Lubricate the connecting rod journals with engine oil.
4. Assemble the connecting rods to the crankshaft. Install the connecting rod caps, align-
ing the code letter marked on the connecting rod and cap.
Page 4B-32
a
Piston Ring Compressor (FT2997)
53748
53818
53822
90-828631R3 MARCH 1999