TOHATSU BFT115A Service Manual page 358

COOLING SYSTEM
Remove the two bolts (1) and water seal housing (2)
Remove the O-ring (58.5 x 3.5 mm) (3) from the water
seal housing.
Remove the water seal (23 x 36 x 6 mm) (1) and water
seal (23 x 36 x 8 mm) (2) using a commercially
available oil seal remover.
11-8
(1)
(2)
(3)
(2)
(1)