Installing The Connecting Rod And Piston - Yamaha TRACER MT09TRA Service Manual

2. Select:
• Big end bearings (P
TIP
• The numbers "A" stamped into the crankshaft
web and the numbers "1" on the connecting
rods are used to determine the replacement
big end bearings sizes.
• "P "–"P " refer to the bearings shown in the
1 3
crankshaft illustration.
For example, if the connecting rod "P
the crankshaft web "P
2 respectively, then the bearing size for "P
is:
"P " (connecting rod) - "P
1
3 (brown)
Bearing color code
1. Blue 2. Black 3. Brown 4.
Green
P
1
P P
A
1
–P )
1 3
1
" numbers are 5 and
1
" (crankshaft) = 5 - 2 =
1
P
3
P
2
P
2 3
1
CONNECTING RODS AND PISTONS
EAS30751
INSTALLING THE CONNECTING ROD AND
PISTON
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
" and
• Be sure to reinstall each big end bearing in its
original place.
"
• Align the projections "a" on the big end bear-
1
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.
2. Tighten:
• Connecting rod bolts
ECA18390
NOTICE
Tighten the connecting rod bolts using the
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 and lubricate
5-66
b
a
New