Yamaha YZF-R1P Utility Trailer User Manual


 
5 - 72
ENG
CONNECTING RODS AND PISTONS
2. Select:
big end bearings (P1 ~ P4)
NOTE:
@
The numbers È stamped into the crankshaft
web and the numbers 1 on the connecting
rods are used to determine the replacement
big end bearing sizes.
•“P1 ~ P4 refer to the bearings shown in the
crankshaft illustration.
For example, if the connecting rod P
1
and the
crankshaft web P
1
numbers are 4 and 1
respectively, then the bearing size for P1 is:
P
1
(connecting rod)
P
1
(crankshaft) 2 =
5 1 2 = 2 (black)
BIG END BEARING COLOR CODE
1 violet
0white
1blue
2black
INSTALLING THE CONNECTING ROD AND
PISTON
The following procedure applies to all of the
connecting rods and pistons.
1. Install:
top ring 1
2nd ring 2
upper oil ring rail 3
oil ring expander 4
lower oil ring rail 5
NOTE:
@
Be sure to install the piston rings so that the
manufacturers marks or numbers a face up.