Yamaha XJR1300(L) 99, Service Manual

Page: 137 / 338

4-25
ENG
VALVES AND VALVE SPRINGS
NOTE:
NOTE:
CAUTION:
NOTE:
Recommended lubricant
Molybdenum disulfide oil
2. Install:
valve 1
lower spring seat 2
oil seal 3
valve springs 4
upper spring seat 5
(into the cylinder head)
Install the valve spring with the larger pitch
a
facing up.
b Smaller pitch
3. Install:
valve cotters 1
Install the valve cotters by compressing the
valve spring with the valve spring compressor
2 .
Valve spring compressor
90890-04019
4. To secure the valve cotters 1 onto the valve
stem, lightly tap the valve tip with a soft-face
hammer.
Hitting the valve tip with excessive force
could damage the valve.
5. Install:
valve pad 1
valve lifter 2
Apply molybdenum disulfide oil onto the valve
lifter and valve pad.
The valve lifter must move smoothly when ro-
tated with a finger.
Each valve lifter and valve pad must be rein-
stalled in its original position.