Mercury 150 EFI Service Manual page 378

10. Apply Quicksilver 2-4-C with Teflon to bearing surface of connecting rod and, install
bearing assembly as shown.
IMPORTANT: It is recommended that connecting rod bolts not be reused.
11. Place connecting rod cap on connecting rod. Apply light oil to threads and face of con-
necting rod bolts. Thread connecting rod bolts finger-tight while checking for correct
alignment of the rod cap as shown.
IMPORTANT: Connecting rod and connecting rod caps are matched halves. Do not
torque screws before completing the following procedure.
Run a pencil lightly over ground area.
If pencil stops at fracture point, loosen bolts, retighten, and check again.
NOTE: If you still feel the fracture point, discard the rod.
12. Tighten connecting rod bolts (using a 5/16 in. - 12 point socket). First torque to 15 lb.
in. (1.7 N·m) then 30 lb. ft. (41 N·m). Turn each bolt an additional 90 after 2nd torque
is attained. Recheck alignment between rod cap and rod as shown.
14
2 Cycle Outboard Oil
2-4-C With Teflon
95
13. Rotate crankshaft several times (using powerhead stand) to assure free operation (no
binds and catching).
Check each connecting rod cap for correct alignment. If not aligned, a ridge can be seen
or felt at the separating line as shown below. Correct any misalignment.
90-883728 JULY 2001
a - Connecting Rod Screws
Side
View
Correct
End
View
Correct
Ä
Ä
Ä
a
95
Side View
Incorrect-Cap
on Backwards
End View
Incorrect- End View
Not Incorrect-Cap
Aligned on Backwards
Ä
Ä Ä
Ä Ä
POWERHEAD
a
a
a
14
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