Inspection - Yamaha VK540EF Service Manual

OIL PUMP, CRANKCASE AND CRANKSHAFT
b
ESS00168

INSPECTION

1. Measure:
S Runout
Use the V-blocks and a dial gauge.
Out of specification ! Replace or repair the
crankshaft.
Dial gauge:
90890-03097, YU-03097
Runout limit:
C
1
C , C
2
C
4
a 97 mm (3.82 in)
b 93 mm (3.66 in)
2. Measure:
S Small end freeplay a
Use the dial gauge.
Out of specification ! Replace the defective
parts.
Small end freeplay a :
0.8 X 1.0 mm (0.03 X 0.04 in)
S Big end side clearance b
Use the feeler gauge.
Out of specification ! Replace the defective
parts.
Big end side clearance b :
0.25 X 0.75 mm
(0.01 X 0.03 in)
3. Inspect:
S Crankshaft bearings 1
Pitting/damage ! Replace.
S Stopper ring 2
Bends/damage ! Replace.
S Crankshaft oil seals 3
Wear/damage ! Replace.
CAUTION:
Lubricate the bearings immediately after ex-
amining them in order to prevent rust.
5-15
ENG
: 0.03 mm (0.0012 in)
: 0.04 mm (0.0016 in)
3
: 0.05 mm (0.0020 in)