TOHATSU BFT115A Service Manual page 412

CYLINDER HEAD
Apply soapy water to a new crankshaft oil seal (43 × 58
× 7 mm) (1) outer surface.
Drive in the oil seal until it is fully seated on the cam
chain case (2) using the special tools.
TOOLS:
Driver (3)
Attachment, 52 × 55 mm (4)
Apply grease to the oil seal lips (5) after installation.
Clean the chain case cover and chain case mating
surface.
Apply 2.0 – 3.0 mm (0.08 – 0.12 in) bead of liquid
sealant (Threebond® 1280B or equivalent) to the
specified area (1) of chain case cover.
• To prevent leaks, do not install the parts if 5 minutes
or more have elapsed since applying the liquid
gasket. Instead, reapply liquid gasket after removing
the old residue.
• After assembly, wait at least 30 minutes before filling
the engine with oil.
• Do not apply sealant in the O-ring groove.
Install the chain case cover (1) to the chain case (2),
then install and tighten the three bolts (6×14 mm) (3) to
the specified torque.
TORQUE: 12 N·m (1.2 kgf·m, 9 lbf·ft)
14-20
07749-0010000
07746-0010400
(1)
(1)
(5)
(3)
(2)
(3)
(4)
(2)
(1)