Water Pump Removal; Installation - TOHATSU BFT75A Service Manual

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COOLING SYSTEM
Set the three harness straps [1] and the harness band
clips [2] on the water jacket cover.
Connector the ignition coil 3P connectors [3], ECT
sensor 3 (2P) connector [4], and CMP sensor 3P
connector [5].
Connect the HO2S 4P connector and set the harness
band clip to harness clip bracket C (page 5-82).
Install the following:
– Fuse box (70 A)/regulator/rectifier (page 10-4)
– R. engine under (page 6-7)
– Engine cover

WATER PUMP REMOVAL/

INSTALLATION

REMOVAL
Remove the following:
– Propeller (page 16-3)
– Gear case (page 16-5)
Remove the water tube seal ring [1] from the impeller
housing [2].
Remove the four bolts [3], four washers [4], four
distance collars [5], and impeller housing.
Remove the special key [6] from the vertical shaft.
• Check the special key and key groove of the vertical
shaft for wear; replace them if necessary.
Remove the water pump O-ring [1] from the impeller
housing [2].
Remove the pump impeller [3] and pump liner [4] from
the impeller housing.
Check the impeller housing for deformation; replace it if
necessary.
Check the impeller for cracks, wear, or damage from
overheating; replace them if necessary.
Check the pump liner for cracks or wear; replace it if
necessary
11-6
[1]
[2]
[6]
[2]
[1]
[3]
[2]
[3]
[1]
[3]
[1]
[4]
[3]
[1]
[5]
[3]
[4]
[5]
[4]