Yamaha XVS6501997 Service Manual page 163

CRANKSHAFT AND CONNECTING RODS
D The stamped "Y" mark 2 on the connect-
ing rods should face towards the left side
of the crankcase.
D Be sure that the characters 3 on the side of
the cap and connecting rod are aligned.
D Tighten the nuts.
Nuts (connecting rod caps):
36 Nm (3.6 mSkg)
CAUTION:
D When tightening the nuts be sure to use
an F-type torque wrench.
D Without pausing tighten to full torque
specifications. Apply continuous torque
between 3.0 and 3.6 mSkg. Once you reach
3.0 mSkg DO NOT STOP TIGHTENING un-
til final torque is reached. If the tightening
is interrupted between 3.0 and 3.6 mSkg,
loosen the nut to less than 3.0 mSkg and
start again.
D Remove the connecting rods and bearings.
D On each crank pin measure the width of the
compressed Plastigauge
If the oil clearance is out of specification, se-
lect a replacement bearing.
*****************************************************
8. Select:
S Crank pin bearing (P
NOTE:
D The numbers 1 indicate crankshaft jour-
nal sizes are stamped on the crankweb, as
shown in the illustration.
D The numbers 2 are stamped in ink on the
connecting rod and connecting rod cap, as
shown in the illustration.
*****************************************************
Selection of crank pin bearings:
D If "P
" on the connecting rod is "4" and "P
1
the crankweb is "2", then the bearing size for
"P " is:
1
Bearing size of P
Connecting rod P
4 – 2 = 2 (black)
4-59
ENG
1 .
)
1
:
1
– Crankweb P
1 1
" on
1
=