Installing The Rocker Arm Shaft Assembly; Installing The Oil Pump - Yamaha F25C Service Manual

Installing the rocker arm shaft
assembly
1. Assemble the rocker arm assemblies 1
and rocker arm shaft 2, and then install
the tensioner 3, rocker arm retainers 4,
and stopper guide 5 to the rocker arm
shaft by installing the bolts 6.
NOTE:
Make sure that the arrow marks a on the
tensioner and stopper guide are facing up.
2. Install the rocker arm shaft assembly to
the cylinder head by installing the bolts,
and then tighten them to the specified
torque.
6D55F11
Rocker arm shaft bolt:
18 N·m (1.8 kgf·m, 13.3 ft·lb)

Installing the oil pump

1. Install the oil pump 1 by aligning the oil
pump drive shaft a with the camshaft pin
b.
c
NOTE:
Before installing the oil pump, be sure to fill it
with a small amount of engine oil through the
oil passages c.
Cylinder head
M
1
2
S6D55660
3
4
5
1
S6D55670
6
7
8
9
5-32