Installing The Rocker Arms And Push Rods - Yamaha XV19SX(C) Service Manual

E
2. Install:
• Push rod covers "1"
NOTE:
Install the push rod covers so that their paint
marks "a" are facing towards the cylinder heads.
a
1
EAS24070
INSTALLING THE ROCKER ARMS AND
PUSH RODS
The following procedure applies to both cylin-
ders.
1. Install:
• Rocker arms "1"
• Rocker arm shafts "2"
(onto rocker arm base)
NOTE:
The thread hole "a" of the rocker arm shaft must
face to the outside.
a
2
2. Install:
• Rocker arm base
(with rocker arms)
• Push rods
M MMM M MMM M
a. Put the rocker arm base on the cylinder head.
b. Install the push rods.
NOTE:
• Be sure to correctly install the push rods be-
tween the rocker arms and valve lifters as
shown. The illustration is viewed from the right
side of the vehicle.
• The lengths of push rod 1 and push rod 2 are
different. Therefore, be sure to install them in
the proper position.
• Lubricate the push rod end balls with engine
oil.
a
1
A. Rear cylinder
B. Front cylinder
1. Exhaust side rocker arm
2. Intake side rocker arm
3. Exhaust valve lifter
4. Intake valve lifter
5. Push rod 1 l = 286.5 mm (11.280 in)
1
6. Push rod 2 l = 288.5 mm (11.358 in)
c. Install the rocker arm base bolts (M6) "1" and
rocker arm base bolts (M8) "2" and "3".
NOTE:
a
Tighten the rocker arm base bolts in stages and
in a crisscross pattern.
5-34
CAMSHAFTS
M MMM M M MMM M M MMM M
Rocker arm base bolt (M6)
10 Nm (1.0 m·kg, 7.2 ft·lb)
Rocker arm base bolt (M8)
24 Nm (2.4 m·kg, 17ft·lb)
M MMM M MMM