Yamaha YZF-R6R Automobile User Manual


 
5-76
CONNECTING RODS AND PISTONS
ENG
NOTE:
15 Nm (1.5 mSkg, 11 ftSlb) + 150_
CAUTION:
6. Install:
Sbig end bearings
Sconnecting rod assembly
(into the cylinder and onto the crankshaft pin)
Sconnecting rod cap
(onto the connecting rod)
SAlign the projections on the big end bearings
with the notches in the connecting rods and
connecting rod caps.
SBe sure to reinstall each big end bearing in its
original place.
SWhile compressing the piston rings with one
hand, install the connecting rod assembly into
the cylinder with the other hand.
SMake sure that the “Y” marks
a
on the con-
necting rods face towards the left side of the
crankshaft.
SMake sure that the characters
b
on both the
connecting rod and connecting rod cap are
aligned.
7. Align:
Sbolt heads
(with the connecting rod caps)
8. Tighten:
Sconnecting rod nuts
a. Replace the connecting rod bolts and nuts
with new ones.
Tighten the connecting rod bolts using the
plastic-region tightening angle method.
Always install new bolts and nuts.
b. Clean the connecting rod bolts and nuts.
c. Tighten the connecting rod nuts.
d. Put a mark
1
on the corner of the connecting
rod nut
2
and the connecting rod
3
.