Yamaha 5KM2-AE1 Service Manual page 258

WATER PUMP
4.Measure:
Impeller shaft tilt
G
Out of specification → Repeat steps (3) and
(4).
CAUTION:
Make sure that the rubber damper and rub-
ber damper holder are flush with the impel-
ler.
Max. impeller shaft tilt:
0.15 mm (0.006 in)
1 Straightedge
2 Impeller
5 - 11
COOL