TOHATSU BFT115A Service Manual page 424

CYLINDER HEAD
Check that the dowel pins (1) of intake camshaft (2) and
exhaust camshaft (3) are positioned as shown.
Tighten the bolts (1) to the specified torque in the
numbered sequence in two or three steps.
TORQUE:
12 N·m (1.2 kgf·m, 9 lbf·ft) :
Two bolts (6 × 20 mm) (1)
Bolt (6 × 32 mm) (2)
22 N·m (2.2 kgf·m, 16 lbf·ft) :
Six head cover bolts (3)
Twelve bolts (8 × 90 mm) (4)
Two bolts (8 × 110 mm) (5)
BOLT INSTALLATION POSITION:
(5)
(3)
(4)
(4)
(2)
(3)
(4)
(4)
(4)
(3)
(4)
(1)
14-32
(5)
(3)
(4)
(4)
(3)
(4)
(4)
(4)
(3)
(4)
(1)
(2)
BOLT TIGHTENING SEQUENCE:
17
19
9
11
1
3
21
5
7
13
15
23
(3)
(1)
18
20
10
12
2
4
6
8
14
16
22