Honda BF135A Manual page 482

13) Apply grease to the inner wall of the water pump liner.
Install the pump impeller in the water pump liner with the
woodruff key installation groove facing up and the pump
impeller fins in the direction shown.
Be sure to align the hole in the pump liner with the hole in
the pump impeller.
14) Install the water pump liner in the impeller housing by
aligning the two projections on the pump liner with the two
grooves inside the impeller housing.
Be sure that the part "A" of the water pump liner is in
alignment with the part "B" of the impeller housing, too.
15) Apply grease to the circumference of the new water pump
O-ring and install it on the impeller housing.
16) Install the rubber setting plate, gear case grommet, two
dowel pins, new impeller gasket and the impeller cover.
14-15
[2] WOODRUFF KEY
INSTALLATION GROOVE
[1]
(Apply grease [3]
to the inside.) PUMP
IMPELLER
[4]
WATER PUMP LINER
[2]
[1]
PROJECTIONS
"A" POINT
[6]
WATER PUMP
LINER
[1]
IMPELLER
GASKET
[5]
6 x 10 mm
DOWEL PIN (2)
[2] WOODRUFF KEY
INSTALLATION
GROOVE
[3] CONCAVES
[5] [4]
IMPELLER "B" POINT
HOUSING
[2]
IMPELLER
COVER
[3]
GEAR CASE
GROMMET
[4]
RUBBER SETTING
PLATE