4 - 74
ENG
CRANKCASE, CRANKSHAFT AND BALANCER
Crankcase
1. Inspect:
●
Contacting surface
a
Scratches
→
Replace.
●
Engine mounting boss
b
, crankcase
Cracks/damage
→
Replace.
2. Inspect:
●
Bearing
Rotate inner race with a finger.
Rough spot/seizure
→
Replace.
Crankshaft
1. Measure:
●
Runout limit
a
●
Connecting rod big end side clearance
b
●
Crank width
c
Out of specification
→
Replace.
Use the dial gauge and a thickness
gauge.
Dial gauge & stand set:
YU-3097/90890-01252
Standard
<Limit>
Runout
limit:
—
0.03 mm
(0.0012 in)
Side
clearance:
0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in)
0.50 mm
(0.02 in)
Crack
width:
46.95 ~ 47.00 mm
(1.848 ~ 1.850 in)
—
Summary of Contents for TT-R125(T)
Page 49: ...GEN INFO MEMO...
Page 179: ...INSP ADJ MEMO...
Page 571: ...ELEC MEMO...
Page 585: ...ELEC MEMO...
Page 605: ...ELEC MEMO...
Page 608: ......
Page 609: ......
Page 610: ...PRINTED IN BRAZIL 06 2004 1000 GYL E F G YAMAHA MOTOR DA AMAZ NIA LTDA...