Yamaha Tenere 700 2020, Service Manual

Page: 289 / 472

WATER PUMP
6-12
EAS30446
DISASSEMBLING THE WATER PUMP
1. Remove:
• Mechanical seal (impeller side) “1”
(from the impeller, with a thin, flat-head
screwdriver)
TIP
Do not scratch the impeller shaft.
2. Remove:
• Mechanical seal (housing side) “1”
TIP
Remove the mechanical seal (housing side)
from the inside of the clutch cover “2”.
3. Remove:
• Bearing “1”
• Oil seal “2”
TIP
Remove the bearing and oil seal from the out-
side of the clutch cover “3”.
EAS30447
CHECKING THE WATER PUMP
1. Check:
• Water pump housing
• Clutch cover
• Impeller shaft
Cracks/damage/wear
→
Replace.
2. Check:
• Bearing
Rough movement
→
Replace.
3. Check:
• Water pump outlet pipe
• Water pump inlet pipe
Cracks/damage/wear
→
Replace.
EAS30448
ASSEMBLING THE WATER PUMP
1. Install:
• Oil seal “1”
• Bearing
(into the clutch cover “2”)
TIP
Install the oil seal with a socket “3” that matches
its outside diameter.
2. Install:
• Mechanical seal (housing side) “1”
(into the clutch cover “2”)
NOTICE
ECA20330
Never lubricate the mechanical seal (hous-
ing side) surface with oil or grease.
TIP
Use the special tools and a press to press the
mechanical seal (housing side) straight in until it
touches the clutch cover.
G0 8 90 3 4
2 1
2
3
1
Installed depth of oil seal “a”
0.5–1.0 mm (0.02–0.04 in)
New
3
2
1
a
New
New