Yamaha YP125R, Service Manual

Page: 382 / 498

WATER PUMP (YP250R)
6-15
3. Install:
• Rubber damper “1”
• Rubber damper holder “2”
TIP
Before installing the rubber damper, apply tap
water or coolant onto its outer surface.
4. Measure:
• Impeller shaft tilt
Out of specification
→
Repeat steps (3) and
(4).
NOTICE
ECA14090
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
5. Install:
• Impeller shaft
• Circlip
TIP
After installation, check that the impeller shaft ro-
tates smoothly.
EAS26580
INSTALLING THE WATER PUMP
1. Install:
• Impeller shaft gear “1”
TIP
Align the slot on the impeller shaft with the pro-
jection on the impeller shaft gear when installing.
2. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to “CHANGING THE COOLANT” on
page 3-32.
3. Check:
• Cooling system
Leaks
→
Repair or replace any faulty part.
Mechanical seal installer
90890-04132
Water pump seal installer
YM-33221-A
Middle driven shaft bearing driv-
er
90890-04058
Bearing driver 40 mm
YM-04058
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215®)
A. Push down
4. Mechanical seal installer
5. Middle driven shaft bearing driver
New
New
Impeller shaft tilt limit
0.15 mm (0.0059 in)
1. Straightedge
2. Impeller
New