Yamaha N MAX GPD150-A 2015, Service Manual

Page: 250 / 450

CAMSHAFT
5-21
2. Lubricate:
• Rocker arms
• Rocker arm shafts
• Spring
• Intake rocker arm stopper pin
3. Install:
• Spring “1”
TIP
Install the spring so that the ends “a” of the
spring are positioned at the locations shown in
the illustration.
4. Install:
• Camshaft assembly “1”
▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼
a. Align the holes “a” in intake rocker arm 1 “2”
and intake rocker arm 2 “3”, and then push
the intake rocker arm stopper pin “4” in the di-
rection of the arrow shown in the illustration.
b. While pushing intake rocker arm 1 “2” and in-
take rocker arm 2 “3” in the direction of the ar-
row shown in the illustration, install the
camshaft assembly.
TIP
Install the camshaft with the punch mark “a” fac-
ing upward.
▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲▲▲
5. Install:
• Camshaft stopper plate
TIP
Before installing the camshaft stopper plate,
make sure that the slots “a” in the rocker arm
shafts “2” are parallel with the edge “b” of the cyl-
inder head and that the camshaft stopper plate
bolt holes in the cylinder head and rocker arm
shafts are aligned.
Recommended lubricant
Camshaft
Molybdenum disulfide oil
Camshaft bearing
Engine oil
Recommended lubricant
Rocker arm shaft
Intake rocker arm stopper pin
Molybdenum disulfide oil
Spring
Rocker arm roller
Engine oil
a
1
a
2
3
4
T
R
.
.
Camshaft stopper plate bolt
(M5
×
16)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
Camshaft stopper plate bolt
(M6
×
14)
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
a
3
2
a
2
b
a