Yamaha F75F - Selecting the Crankshaft Pin Bearing

Crankcase
7-54
In the second tightening stage for the connect-
ing rod bolts “1”, mark the connecting rod bolts
and the connecting rod cap
with identification
marks “a”, and then tighten the bolts 60 from
the marks on the connecting rod cap.
f. Remove the connecting rod cap, and
then measure the width of the com-
pressed Plastigauge (PG-1) on the
crankshaft pin.
Selecting the crankshaft pin bearing
When replacing the crankshaft pin bearing, se-
lect the bearing as follows:
1. Select:
• Crankshaft pin bearing
a. Measure the big end inside diameter.
See “Checking the connecting rod
small end inside diameter and big end
inside diameter” (7-51).
Example:
b. Check the crankshaft pin mark “a” on
the crankshaft.
c. Select the suitable colors “1” for the
crankshaft pin bearing from the
“Crankshaft pin bearing selection ta-
ble” (7-56).
Connecting rod bolt “1”
1st: 13 N·m (1.3 kgf·m, 9.6 lb·ft)
2nd: 60
1
60˚
a
T
R
.
.
Connecting rod big
end inside diameter
Number in table
50.0
42 mm 42
P
J
P1
P2
P3
P4
a
P1
P2 P3
P4
1
1