Installing The Connecting Rod And Piston - Yamaha YZF-R1S Service Manual

CONNECTING RODS AND PISTONS
r. Measure the compressed Plastigauge
2. Select:
NOTE:
S The numbers A stamped into the crankshaft
S "P1" X "P4" refer to the bearings shown in the
For example, if the connecting rod "P
crankshaft web "P
spectively, then the bearing size for "P1" is:
INSTALLING THE CONNECTING ROD AND
PISTON
The following procedure applies to all of the
connecting rods and pistons.
1. Install:
5-86
width on the crankshaft pin.
If the crankshaft-pin-to-big-end-bearing
clearance is out of specification, select re-
placement big end bearings.
S big end bearings (P1 X P4)
web and the numbers 1 on the connecting
rods are used to determine the replacement
big end bearing sizes.
crankshaft illustration.
" numbers are "5" and "2" re-
1
"P " (connecting rod) – "P
1
(crankshaft) =
5 – 2 = 3 (brown)
BIG END BEARING COLOR CODE
1
2
3
4
S top ring 1
S 2nd ring 2
S upper oil ring rail 3
S oil ring expander 4
S lower oil ring rail 5
ENG

" and the
1
"
1
Blue
Black
Brown
Green