Yamaha XT660R Service Manual page 339

WATER PUMP
3. Install:
• rubber damper 1
• rubber damper holder 2
NOTE:
_
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).
CAUTION:
_
Make sure the rubber damper and rubber
damper holder are flush with the impeller.
Impeller shaft tilt limit
0.15 mm (0.006 in)
1 Straightedge
2 Impeller
5. Install:
• impeller shaft assembly 1
• washer
• pin
• impeller shaft gear
• circlip
New
NOTE:
_
After installation, check that the impeller shaft
rotates smoothly.
6 - 13
COOL
New
New