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Yamaha F40BWHD - Page 264

Yamaha F40BWHD
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CRANKSHAFT AND PISTON
5-48
E
POWR
NOTE:
Make sure the "Y" marks on the con-
necting rod face toward the flywheel
side of the crankshaft.
Do not move the connecting rod until
the big-end oil clearance measurement
has been completed.
(5) Tighten the bolts to the specified
torque.
(6) Tighten them further by 40°.
NOTE:
Mark the bolt position before tighten-
ing it further by 40° so that the additional
tightening angle is identified clearly.
(7) Remove the connecting rod cap.
(8) Measure the width of the compressed
Plastigauge
®
on each crank pin.
2. Select:
Connecting rod bearing
Select the suitable connecting rod
bearing from the table below.
1
a
b
b
T
R
.
.
Bolt
1st
8 Nm (0.8 m
kgf, 5.9 ft
lb)
2nd
Tighten the bolts by another 40
degrees.
Connecting rod bearing selection table
20 °C (68 °F)
Connecting rod cap
mark
Bearing color
ABlue
B Black
CBrown
1
a
b

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