Checking The Cylinder Head Cover, Tappet Cover, And Viewer Plug; Installing The Rocker Arm Shafts And Rocker Arms - Yamaha SR400 2014 Service Manual

5. Calculate:
• Rocker-arm-to-rocker-arm-shaft clearance
TIP
Calculate the clearance by subtracting the rock-
er arm shaft outside diameter from the rocker
arm inside diameter.
Out of specification  Replace.
Rocker-arm-to-rocker-arm-shaft
clearance
0.009–0.033 mm (0.0004–0.0013
in)
EAS2RD1013
CHECKING THE CYLINDER HEAD COVER,
TAPPET COVER, AND VIEWER PLUG
1. Check:
• Cylinder head cover
• Tappet cover
• Viewer plug
Damage  Replace.
EAS2RD1041
INSTALLING THE ROCKER ARM SHAFTS
AND ROCKER ARMS
1. Lubricate:
• Rocker arm (cavity)
Recommended lubricant
Molybdenum disulfide grease
2. Lubricate:
• Rocker arm shaft
Recommended lubricant
Molybdenum disulfide oil
3. Install:
• Rocker arm "1"
• Rocker arm shaft "2"
TIP
Install the rocker arm shafts with the slide ham-
mer bolt "3".
Slide hammer bolt
90890-01083
Slide hammer bolt 6 mm
YU-01083-1
1
3
TIP
Make sure that a recess in the rocker arm shaft
is aligned with the tightening bolt hole in the cyl-
inder head.
4. Install:
• Lock washer "1"
• Lock washer bolt "2"
Lock washer bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
TIP
Bend the lock washer tab along a flat side of the
bolt.
2
5-15
ROCKER ARMS
2
New
1