Yamaha F150 [129/313] 2 3 4 5 6 7 8 9

Yamaha F150 [129/313] 2 3 4 5 6 7 8 9
63P3F11
5-44
1
2
3
4
5
6
7
8
9
Checking the crankshaft
1. Check the teeth of the crankshaft gear
for cracks or wear. Replace the crank-
shaft if necessary.
2. Measure the crankshaft journal diameter
a
, crankpin diameter
b
, and crankpin
width
c
. Replace the crankshaft if out of
specification.
3. Measure the crankshaft runout. Replace
the crankshaft if out of specification.
Connecting rod big end side
clearance
a
:
0.140.31 mm (0.0060.012 in)
Crankshaft journal diameter
a
:
51.98052.000 mm
(2.04652.0472 in)
Crankpin diameter
b
:
49.98050.000 mm
(1.96771.9685 in)
Crankpin width
c
:
22.0022.10 mm
(0.86610.8701 in)
Crankshaft runout limit:
0.03 mm (0.0012 in)
S63P5550
Cylinder block

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