Yamaha WaveRunner FX Cruiser SHO, Service Manual

Page: 235 / 433

5-110
E
POWR
1
2
3
4
5
6
7
8
9
2. Select:
• Crankshaft main journal bearing
Selecting steps:
1. Check the crankcase journal size number
a
on the crankcase.
NOTE:
If the crankcase journal sizes are the same at
all positions, the size number
a
is stamped
only at the “ J1 ” position.
Example:
If
“ J1 ”–“ J5 ” are different:
If “ J1 ”–“ J5 ” are the same:
2. Check the crankshaft journal size number
b
on crankshaft web.
3. Select the suitable color
c
for main bear-
ing.
Example:
“ J1 ” crankcase journal size number “ 5 ”
“ J1 ” crankshaft journal size number “ 2 ”
5 – 2 = 3
Select the size “ 3 ” , “ blue ” main bearing.
Calculation formula:
Main bearing size number =
crankcase journal size number
a
–
crankshaft journal size number
b
Bearing size number Bearing color
c
1 Brown
2 Black
3 Blue
4 Green
5 Yellow
J1 J2 J3 J4 J5
a
J1
5
J2
5
J3
5
J4
4
J5
5
55545
J1
5
J2
5
J3
5
J4
5
J5
5
5
P
b
J
4
J
5
J
3
J
2
J
1
J
J
3
J
4
J
5
J
2
J
1
Crankcase, connecting rod, and piston