Checking The Crankshaft - Yamaha EK25BMH Service Manual

POWR
CRANK SHAFT
Run-out check
1. Measure:
• Runout
Use the crank stand alignment
and digital gauge
Out of specification → Adjust.
Crank stand alignment
90890-03107
Digital gauge set
90890-01252
Runout limit
0.03 mm (0.0012 in)
NOTE:
If the dial gauge reading is 0.03 mm (0.0012
in) or more, adjust the crankshaft so that
the reading is less than 0.03 mm (0.0012 in).
Use a copper hammer, as shown.
2. Measure:
• Axial play
Out of specification →
Repair/replace.
Maximum axial play "
2.0 mm (0.079 in)

CHECKING THE CRANKSHAFT

Refer to "CHECKING THE CRANKSHAFT" on
page 5-34.
5-51
E
1
2
.
f
"