257
POWERHEAD
ASSEMBLY
10
Secure restraining jaw “C” and forcing jaw “D” to
frame.
Apply a light coat of outboard lubricant to the cor-
ners of the connecting rod and rod cap. Place
frame on connecting rod using the following pro-
cedure:
• Position frame onto the connecting rod so the
contact area of the jaw is centered on the side
of the rod.
• Tighten forcing screw until jaws contact con-
necting rod.
• Slide frame down until adjustment stop contacts
the rod cap. The groove lines on the jaws must
be centered on the rod/crankpin diameter.
• Tighten the forcing screw to a torque of 14 to 16
in. lbs. (1.6 to 1.8 N·m).
IMPORTANT: Make sure that frame is squarely
in position and that rod and cap are aligned.
Loosen both rod cap screws one-quarter turn.
Use Torquing Socket, P/N 331638, to tighten rod
cap screws in three stages:
• Apply an initial torque of 40 to 60 in. lbs. (5 to 7
N·m) to both rod cap screws.
• Torque screws to 14 to 16 ft. lbs. (19 to 21.7
N·m).
• Apply a final torque of 30 to 32 ft. lbs. (41 to 43
N·m).
Loosen forcing screw and remove the frame.
Restraining Jaw “C” 21591c
Forcing Jaw “D” 21594c
1. Forcing screw
2. Adjustment stop
3. Groove line
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