215
POWERHEAD
POWERHEAD ASSEMBLY
11
Lubricate upper main bearing with outboard lubri-
cant and install on crankshaft.
Pack lip of upper oil seal with Moly Lube. Place
seal on crankshaft with lip toward driveshaft and
enclosed face toward flywheel. Do not apply
sealer to outside edge of the seal.
Pistons and Connecting Rods
IMPORTANT: It is very important that the pis-
tons in this engine are installed in the correct loca-
tion and direction.
New pistons are stamped “EXH.” This marking
should be turned toward the exhaust side of the
block. The splash bowl on the dome of the piston
will be located toward the flywheel and opposite
the exhaust port.
IMPORTANT: It is also very important that the
connecting rods are installed with the alignment
dots and the diagonal oil hole facing up, toward
the flywheel.
Apply Needle Bearing Grease to the wrist pin
bearings. Install the bearings in the small end of
1. Upper main bearing 002033
1. Upper oil seal 002034
1
1
1. Exhaust side of block
2. Stamped markings
3. Splash bowl
002049
1. Oil hole
2. Raised dots
002055
3
1
2
2
1
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