Yamaha TZ125M1 Owner's Service Manual page 156

CRANKCASE, CRANKSHAFT AND WATER PUMP
EC4N3401
Crankshaft bearing
1. Remove:
• Bearing 1
NOTE:
• Remove the bearing from the crankcase by
pressing its inner race as shown in A.
• If the bearing is removed together with the
crankshaft, remove the bearing using a gen-
eral bearing puller 2 as shown in B.
• Do not use the removed bearing.
EC4Q3300
Oil seal
NOTE:
It is not necessary to disassembly the water
pump, unless there is no abnormality such as
excessive change in coolant level, discol-
oration of coolant, or milky transmission oil.
1. Remove:
• Oil seal 1
From crankcase (right).
EC4Q4000
INSPECTION
EC4N4101
Crankcase
1. Inspect:
• Contacting surface a
Scratches ≥ Replace.
• Engine mounting boss b, crankcase
Cracks/Damage ≥ Replace.
2. Inspect:
• Bearings 1
Rotate inner race with a finger.
Rough spot/Seizure ≥ Replace.
4-68
ENG