Yamaha F40BWHD - Page 226

POWR
5-29
CYLINDER HEAD
E
(MHD)
6 45 mm
13.5 Nm (1.4 m kgf 10 ft lb)
18 Nm (1.8 m kgf 13.3 ft lb)
8 30 mm
1
6
7
10
11
12
13
14
15
16
18
17
8
9
2
3
4
5
Order Job/Part Q’ty Remarks
14 Valve spring 6 With the fine pitch side facing to the
valve seat side.
15 Spring seat 6
16 Intake valve 3
17 Exhaust valve 3
18 Valve stem seal 6
Not reusable
For installation, reverse the removal
procedure.