TOHATSU BFT115A Service Manual page 423

INSTALLATION
Completely degrease the No. 5 rocker shaft holder (1)
mating surface with cylinder head, using a degreasing
agent.
Apply 2.0 – 3.0 mm (0.08 – 0.12 in) bead of liquid
sealant (Threebond® 1280B or equivalent) to the
specified area (2) of No. 5 rocker shaft holder.
• 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.
Install the ten dowel pins (1) to the cylinder head.
Install the four bolts (2) in the positions as shown and
install the rocker arm assembly (3) to the cylinder head.
Apply engine oil to the threads and seating surfaces of
the two sealing bolts (1).
Install the camshaft collar (2) to the intake camshaft (3).
Install the CMP pulse plate (4) to the exhaust camshaft
(5).
Install and tighten the both sealing bolts to the specified
torque.
TORQUE: 40 N·m (4.1 kgf·m, 30 lbf·ft)
• When tightening the bolts, hold the hexagonal parts
of camshafts with a wrench or equivalent tool.
• Be careful not to damage the camshaft journal
surfaces and cam lobes.
Apply molybdenum disulfide oil to the camshaft journals
and cam lobes.
Apply engine oil to the threads and seating surfaces of
each bolt.
Install the intake camshaft (1), exhaust camshaft (2),
ten dowel pins (3), five camshaft holders (4) and cam
chain guide B (5).
Loosely install the following bolts (6):
– Two bolts (8 x 110 mm)
– Twelve bolts (8 x 90 mm)
– Bolt (6 x 32 mm)
– Two bolts (6 x 20 mm)
– Six head cover bolts
CYLINDER HEAD
(1)
(2)
(3)
(2)
(1)
(3)
(2)
(1)
(3)
(2)
(5)
(4)
(1)
(5)
(4)
(6)
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