241
POWERHEAD
POWERHEAD ASSEMBLY
11
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
the connecting rod. Align bearings with Wrist Pin
Bearing Tool, P/N 336660.
Place the two wrist pin thrust washers on the tool
with flat side of the washers facing out.
Oil the wrist pin bore and wrist pin. Place connect-
ing rod, with bearings, washers, and tool, into the
piston with the alignment dots facing the top of the
piston.
Install wrist pin through piston and connecting rod,
pushing bearing tool out through the piston.
Use Wrist Pin Cone, P/N 318600, and Driver,
P/N 318599, to install new wrist pin retaining rings
in each wrist pin hole. Gap of retaining ring faces
away from notch in piston.
1. Oil hole
2. Raised dots
002055
1. Wrist pin bearings
2. Tool, P/N 336660
31794
1. Wrist pin thrust washers DR3480
31793
2
1
2
1
1
46521
46522
1. Gap of retaining ring
2. Notch in piston
46523
2
1
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