Yamaha RS90GTZ Service Manual page 296

CONNECTING RODS AND PISTONS
5-71
Measurement steps:
NOTICE
Do not interchange the big end bearings
and connecting rods. To obtain the correct
crankshaft-pin-to-big-end-bearing
ance and prevent engine damage, the big
end bearings must be installed in their orig-
inal positions.
• Clean the big end bearings, crankshaft pins,
and bearing portions of the connecting rods.
• Install the big end upper bearing into the con-
necting rod and the big end lower bearing
into the connecting rod cap.
TIP
Align the projections
ings with the notches
and connecting rod cap.
• Put a piece of Plastigauge
shaft pin.
• Assemble the connecting rod halves.
TIP
• Do not move the connecting rod or crankshaft
until the clearance measurement has been
completed.
• Apply molybdenum disulfide oil onto the bolt,
threads, seats and nut seats.
• Make sure that the "Y" mark
necting rod faces towards the right side (AC
magneto rotor side) of the crankshaft.
• Make sure that the characters
connecting rod and connecting rod cap are
aligned.
ENG
clear-
on the big end bear-
in the connecting rod
®
on the crank-
on the con-
on both the