Installing The Connecting Rods And Pistons - Yamaha VMAX 2009 Service Manual

For example, if the connecting rod "P
the crankshaft web "P
"1" respectively, then the bearing size for "P
is:
P (connecting rod) - P
1
4 - 1 = 3 (brown)
Bearing color code
1.Blue 2.Black 3.Brown 4.Green
EAS26170
INSTALLING THE CONNECTING RODS AND
PISTONS
The following procedure applies to all of the con-
necting rods and pistons.
1. Install:
• Big end bearings
• Connecting rod cap
(onto the connecting rod)
TIP
• Be sure to reinstall each big end bearing in its
original place.
• Align the projections "a" on the big end bear-
ings with the notches "b" in the connecting rods
and connecting rod caps.
• Make sure that the projection "c" on the con-
necting rod cap faces the same direction as the
"Y" mark "d" on the connecting rod.
c
2. Tighten:
• Connecting rod bolts
CONNECTING RODS AND PISTONS
" and
1
" numbers are "4" and
1
(crankshaft web) =
1
d
ECA2S31046
NOTICE
Tighten the connecting rod bolts using the
"
1
plastic-region tightening angle method. Al-
ways install new bolts.
TIP
Install by carrying out the following procedures in
order to assemble in the most suitable condition.
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a. Replace the connecting rod bolts with new
ones.
b. Clean the connecting rod bolts.
c. After installing the big end bearing, assemble
the connecting rod and connecting rod cap
without installing them onto the crankshaft.
d. Tighten the connecting rod bolt while check-
ing that the sections shown "a" and "b" are
flush with each other by touching the surface.
Connecting rod bolt
30 Nm (3.0 m·kgf, 22 ft·lbf)
TIP
To install the big end bearing, care should be
taken not to install it at an angle and the position
should not be out of alignment.
a
b
a. Side machined face
b. Thrusting faces
e. Loosen the connecting rod bolt, remove the
connecting rod and connecting rod cap and
install these parts to the crankshaft with the
big end bearing kept in the current condition.
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3. Install:
• Lower oil ring rail "1"
• Oil ring expander "2"
• Upper oil ring rail "3"
• 2nd ring "4"
• Top ring "5"
5-88
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M MMM M MMM
L LLL L LLL