Checking The Water Pump; Assembling The Water Pump - Yamaha TMAX XP530E-A 2017 Service Manual

EAS30446
DISASSEMBLING THE WATER PUMP
1. Remove:
• Mechanical seal (impeller side) "1"
(from the impeller, with a thin, flathead screw-
driver)
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 water pump housing.
3. Remove:
• Bearing "1"
• Oil seal "2"
TIP
Remove the bearing and oil seal from the out-
side of the water pump housing.
EAS30447

CHECKING THE WATER PUMP

1. Check:
• Water pump housing cover "1"
• Water pump housing "2"
• Impeller shaft "3"
Cracks/damage/wear  Replace.
2. Check:
• Water pump inlet pipe
• Water pump outlet pipe
Cracks/damage/wear  Replace.
EAS30448

ASSEMBLING THE WATER PUMP

1. Install:
• Oil seal "1"
• Bearing "2"
(into the water pump housing)
TIP
• Before installing the oil seal, apply tap water or
coolant onto its outer surface.
• Install the oil seal with a socket that matches its
outside diameter.
• Install the oil seal from the inside of the water
pump housing.
Installed depth of oil seal "a"
11.5 mm (0.45 in)
2. Install:
• Mechanical seal (housing side) "1"
(into the water pump housing "2")
6-11
WATER PUMP
New
New
New
New
New